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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 237. Отображено 173.
25-09-2018 дата публикации

Resin particle composition

Номер: US0010081718B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A resin particle composition includes resin particles, polishing agent particles having an average circle-equivalent diameter of 0.1 μm to 3.0 μm, and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.

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30-09-2010 дата публикации

ELECTROSTATIC-IMAGE-DEVELOPING TONER, PRODUCTION METHOD THEREOF, ELECTROSTATIC IMAGE DEVELOPER, AND IMAGE FORMING APPARATUS

Номер: US20100248123A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic-image-developing toner includes a binder resin that contains a crystalline polyester resin and an amorphous polyester resin; and a coloring agent, wherein the crystalline polyester resin has a melting temperature Tmc of about 25° C. or greater but not greater than about 50° C., and a content of the crystalline polyester resin in the electrostatic-image-developing toner is about 3 wt % or greater but not greater than about 15 wt. %.

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10-12-2019 дата публикации

Metatitanic acid particle, composition for forming photocatalyst, and photocatalyst

Номер: US0010500579B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A metatitanic acid particle includes a metal compound having a titanium metal atom and a carbon atom, and being bonded to a surface of the particle via an oxygen atom, wherein an element ratio (C/Ti) between carbon and titanium on the surface is in a range of 0.2 to 1.1 and the metatitanic acid particle has an absorption at a wavelength of each of 450 nm and 750 nm in a visible absorption spectrum.

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29-04-2014 дата публикации

Oxide material, electrophotographic photoreceptor, process cartridge, and image forming device

Номер: US0008709688B2

An oxide material including gallium, zinc and oxygen, a ratio of the number of atoms of zinc to the number of atoms of gallium (number of atoms of zinc/number of atoms of gallium) being from about 0.01 to about 0.6 and a ratio of the number of atoms of oxygen to the sum of the number of atoms of gallium and the number of atoms of zinc (number of atoms of oxygen/(number of atoms of gallium+number of atoms of zinc)) being from about 1.0 to about 1.6, is disclosed. An electrophotographic photoreceptor including a layer which includes the oxide material is also disclosed. An electrophotographic photoreceptor including a substrate; and a photosensitive layer including gallium, oxygen and zinc is also disclosed.

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28-02-2017 дата публикации

Image forming apparatus and process cartridge

Номер: US0009581919B1
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate, an organic photosensitive layer provided on the conductive substrate, and an inorganic protective layer provided on the organic photosensitive layer; a charging unit that charges a surface of the electrophotographic photoreceptor; an electrostatic latent image forming unit that forms an electrostatic latent image on a charged surface of the electrophotographic photoreceptor; a developing unit that develops the electrostatic latent image formed on the surface of the electrophotographic photoreceptor to thereby form a toner image, by using a developer which contains a toner, and a carrier in which a ratio occupied by carrier particles having a particle diameter of 50 μm or greater is equal to or smaller than 1% by number; and a transfer unit that transfers the toner image to a surface of a recording medium.

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19-06-2018 дата публикации

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

Номер: US0010001714B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrophotographic photosensitive member includes a conductive base; an organic photosensitive layer disposed on the conductive base, the organic photosensitive layer including a layer that constitutes a surface and contains a charge transport material, a binder resin having a viscosity-average molecular weight less than about 50,000, and silica particles in an amount of about 40% by weight or more; and an inorganic protective layer disposed on the organic photosensitive layer.

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27-02-2018 дата публикации

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

Номер: US0009904197B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developing toner includes toner particles containing a binder resin, and an external additive including silica particles having a compression aggregation degree is from 60% to 95% and a particle compression ratio is from 0.20 to 0.40, and resin particles containing a polymer obtained by polymerizing a (meth)acrylic acid ester monomer.

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16-03-2010 дата публикации

Electrophotographic photoreceptor, and process cartridge and image-forming apparatus using the same

Номер: US0007678518B2

An electrophotographic photoreceptor including a conductive substrate, and a photosensitive layer, an intermediate layer, and a surface layer formed thereon in this order, wherein the surface layer contains a Group 13 element and at least one of nitrogen or oxygen.

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18-08-2005 дата публикации

Electrostatic latent image developing toner, and method for manufacturing electrostatic latent image developer and electrostatic latent image developing toner

Номер: US20050181295A1
Принадлежит: FUJI XEROX CO., LTD.

There is provided an electrostatic latent image developing toner including a binder resin, a colorant, and a release agent, wherein the shape factor SF1 of the toner is within the range from 110 to 140, the volume average particle size of the toner is within the range from 1.2 μm to 4.8 μm, and the crystallinity of the release agent within the toner is within the range from 35 to 80. There is also provided a method for manufacturing such a toner.

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20-03-2008 дата публикации

Electrophotographic photoreceptor, and process cartridge and image-forming apparatus using the same

Номер: US20080070138A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoreceptor including a conductive substrate, and a photosensitive layer, an intermediate layer, and a surface layer formed thereon in this order, wherein the surface layer contains a Group 13 element and at least one of nitrogen or oxygen.

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02-06-2020 дата публикации

Titanium oxide particle, composition for forming photocatalyst, and photocatalyst

Номер: US0010668456B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide particle includes a metal having a hydrocarbon group, which is bonded to a surface of the titanium oxide particle through an oxygen atom, and absorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm, wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the titanium oxide particle is from 0.3 to 1.2, and a reduced amount of C/Ti on the surface of the titanium oxide particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cm2 for 20 hours is from 0.1 to 0.9.

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31-05-2011 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0007951517B2

An electrophotographic photoreceptor includes an organic photosensitive layer and one or more inorganic thin film layers disposed in this order on a conductive substrate, in which among the one or more inorganic thin film layers at least an inorganic protective layer disposed directly on the organic photosensitive layer has cracks scattered at intervals from about 1 m to about 10 mm. The inorganic thin film layer having the cracks is a first protective layer and an inorganic thin film is grown on a surface of the first protective layer to form a second protective layer.

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28-08-2018 дата публикации

Electrostatic image developer and toner, electrostatic image developer and toner cartridge

Номер: US0010061216B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic image developing toner contains: toner particles, first silica particles having an average equivalent circle diameter of 10 nm to 120 nm and second silica particles having a compressive agglomeration degree of 60% to 95%, a particle compression ratio of 0.20 to 0.40 and an average equivalent circle diameter being greater than the average equivalent circle diameter of the first silica particles.

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27-05-2010 дата публикации

PORTABLE WIRELESS DEVICE

Номер: US20100130140A1
Принадлежит: KYOCERA CORPORATION

A mobile wireless device enables effective use of space in a case while reducing degradation of ah antenna gain and maintaining communication quality even if a plurality of antennas having different frequency bands are arranged close to one another. A magnetic antenna has a first switch unit, a second switch unit, and a concentrated constant circuit which are added to a wiring pattern at the side near to a main antenna, so that a first path and a second path can be selected. Under a predetermined condition, a CPU controls the first switch and the second switch to electrically connect a terminal (A1) to a terminal (B1) and electrically connect terminal (A2) to terminal (B2), thereby forming the first path; and electrically connect terminal (A1) to a terminal (C1) and electrically connect terminal (A2) to a terminal (C2), thereby forming the second path connected via the concentrated constant circuit.

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05-06-2008 дата публикации

Toner for electrostatic image development, method of producing the same, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus

Номер: US20080131802A1
Принадлежит: FUJI XEROX CO., LTD

The invention provides a toner for electrostatic image development having a binder resin containing a amorphous polyester resin and a crystalline polyester resin, and a coloring agent, and satisfying the following relationship (1): SP(L)>SP(H)>SP(C) (1) wherein SP(H) is the solubility parameter of a resin contained in an elution fraction F (0-10) from the beginning of elution of W1 until 10% of elution of W1 when W1 is the whole area of an elution curve on a gel permeation chromatograph measured for an acetone-soluble fraction; SP(L) is the solubility parameter of a resin contained in an elution fraction F (80-100) from 80% to 100% of the elution of W1; and SP(C) is the solubility parameter of the crystalline polyester resin.

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06-02-2018 дата публикации

Electrostatic charge image developing toner, electrostatic charge image developer and toner cartridge

Номер: US0009885966B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developing toner containing: toner particles; and silica particles having a compaction aggregation degree of from 60% to 95% and a particle compaction ratio of from 0.20 to 0.40, an electrostatic charge image developer containing the electrostatic charge image developing toner, and a toner cartridge that accommodates the electrostatic charge image developing toner and is detachable from an image forming apparatus.

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20-10-2020 дата публикации

Silica-titania composite aerogel particle, photocatalyst-forming composition, and photocatalyst

Номер: US0010807058B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A silica-titania composite aerogel particle includes: a base particle including silicon and titanium whose element ratio Si/Ti is more than 0 and 6 or less; and a surface layer present on the base particle and including a metal compound having a metal atom and a hydrocarbon group. The silica-titania composite aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, has a BET specific surface area in the range of 200 m2/g to 1,200 m2/g, and has a value A in the range of 0.03 to 0.3. The value A is calculated by formula: A=(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond). The peak intensity is obtained from a C is XPS spectrum.

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08-08-2017 дата публикации

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

Номер: US0009726994B1
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developing toner includes toner particles containing a binder resin, and an external additive including silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40 and polishing agent particles.

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09-04-2009 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

Номер: US20090092916A1
Принадлежит: FUJI XEROX CO., LTD

An electrophotographic photoreceptor includes an electrically conductive substrate, an organic photosensitive layer and a surface layer laminated in this order. The surface layer includes at least gallium (Ga) and oxygen (O) as constituent elements thereof, and has a thickness of 0.2 μm to 1.5 μm, and a microhardness of 2 GPa to 15 GPa.

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09-01-2018 дата публикации

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

Номер: US0009864287B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developing toner includes kneaded and pulverized toner particles that contain a binder resin and a release agent, the release agent being partially exposed, and an external additive that contains silica particles having a compression aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.

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17-05-2016 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0009341963B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrophotographic photoreceptor includes a conductive substrate; an organic photosensitive layer that is provided on the conductive substrate; and an inorganic protective layer that is provided on the organic photosensitive layer so as to be in contact with a surface of the organic photosensitive layer, wherein the organic photosensitive layer includes at least a charge transport material and silica particles in a region on the surface side in contact with the inorganic protective layer.

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17-08-2021 дата публикации

Filter containing photocatalyst particles and resin particles

Номер: US0011090632B2

A filter includes resin particles and photocatalyst particles having absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum. The photocatalyst particles have a high photocatalytic function and are present on the surface of the resin particle. The filter is air permeable, transmits visible light, and has high deodorizing performance.

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26-01-2016 дата публикации

Silica composite particles and method of preparing the same

Номер: US0009243145B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

Silica composite particles in which a silica particle surface is sequentially surface-treated with a titanium compound in which an organic group is bonded to a titanium atom through an oxygen atom, and a hydrophobizing agent are provided, in which a titanium content in the silica composite particles measured using fluorescence X-ray is from 0.001% by weight to 10% by weight; a titanium content of a surface layer of the silica composite particles satisfies the following Formula (1); an average particle diameter of the silica composite particles is from 30 nm to 500 nm; and a particle size distribution index of the silica composite particles is from 1.1 to 1.5: 0.6 Подробнее

13-05-2014 дата публикации

Toner for electrostatic image development, method of producing the same, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus

Номер: US0008722296B2

The invention provides a toner for electrostatic image development having a binder resin containing a amorphous polyester resin and a crystalline polyester resin, and a coloring agent, and satisfying the following relationship (1): SP(L)>SP(H)>SP(C)(1) wherein SP(H) is the solubility parameter of a resin contained in an elution fraction F (0-10) from the beginning of elution of W1 until 10% of elution of W1 when W1 is the whole area of an elution curve on a gel permeation chromatograph measured for an acetone-soluble fraction; SP(L) is the solubility parameter of a resin contained in an elution fraction F (80-100) from 80% to 100% of the elution of W1; and SP(C) is the solubility parameter of the crystalline polyester resin.

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05-12-2017 дата публикации

Electrostatic charge image developer, developer cartridge, and process cartridge

Номер: US0009835966B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developer includes an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and a carrier for developing an electrostatic charge image that includes a core particle and a resin coated layer which covers a surface of the core particle and that has a surface roughness Ra (based on JIS-B0601) of 0.5 μm or less and a circularity of 0.975 or more.

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18-12-2018 дата публикации

Titanium oxide particle, composition for forming photocatalyst, and photocatalyst

Номер: US0010155220B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide particle includes bonded thereon a metal-containing compound which has a hydrocarbon group, wherein the titanium oxide particle has an absorption at 450 nm and 750 nm in a visible absorption spectrum, and with respect to a surface of the particle, an element ratio M/Ti between metal M of the metal-containing compound and titanium is from 0.1 to 0.4 and an element ratio C/Ti between carbon C and titanium is from 0.3 to 1.2.

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22-06-2021 дата публикации

Water purification member, hydroponic system, and water purification apparatus

Номер: US0011040899B2

A water purification member includes a porous body; and photocatalyst particles loaded on the porous body and including titanium-based compound particles that have, via an oxygen atom, a surface-bonded metallic compound having a metal atom and a hydrocarbon group, that exhibit absorption at a wavelength of 500 nm in a visible absorption spectrum, and that have an absorption peak in a range of 2700 cm−1 to 3000 cm−1 in an infrared absorption spectrum.

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22-09-2011 дата публикации

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20110229810A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoconductor includes a base, a photosensitive layer formed on the base, and an overcoat layer formed on the photosensitive layer, wherein the overcoat layer includes gallium, oxygen, and hydrogen, and the intensity ratio (IO-H/IGa-O) of a signal IO-H of an OH bond to a signal IGa-O of a GaO bond in an infrared absorption spectrum is about 0.1 or more and 0.5 or less.

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02-06-2020 дата публикации

Metatitanic acid particle, composition for forming photocatalyst, and photocatalyst

Номер: US0010668457B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A metatitanic acid particle includes a metal having a hydrocarbon group, which is bonded to a surface of the metatitanic acid particle through an oxygen atom, and absorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm, wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the metatitanic acid particle is from 0.3 to 1.2, and a reduced amount of C/Ti on the surface of the metatitanic acid particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cm2 for 20 hours is from 0.1 to 0.9.

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10-07-2012 дата публикации

Toner for electrostatic charge image development and manufacturing method thereof, and electrostatic charge image developer, toner cartridge, process cartridge and image forming apparatus

Номер: US0008216757B2

There is provided a toner for electrostatic charge image development, which includes a binder resin that includes a non-crystalline polyester resin and a crystalline polyester resin, and a colorant, wherein in a measurement of an acetone-soluble fraction of the toner by gel permeation chromatography, in which W1 represents the total area of an elution curve of the acetone-soluble fraction, F(0-10) represents an eluate corresponding to from the beginning of the elution to 10% elution of W1 over time, and F(80-100) represents an eluate corresponding to from 80% elution to 100% elution of W1 over time, the amount of an aliphatic unsaturated dicarboxylic acid-derived component of the resins contained in the eluate F(0-10) is in the range of from about 0 mol % to about 10 mol % relative to the total amount of the acid-derived components of the resins contained in the eluate F(0-10), and the amount of the aliphatic unsaturated dicarboxylic acid-derived component of the resins contained in the ...

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08-08-2017 дата публикации

Electrostatic charge image developer, developer cartridge, and process cartridge

Номер: US0009726998B1
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developer includes an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and a carrier for developing an electrostatic charge image that has a core including a magnetic member in a binder resin for a core and a coating layer which coders a surface or the core and which includes a resin for a coating layer and has a surface roughness Ra of from 0.25 μm to 0.4 μm.

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05-12-2017 дата публикации

Magnetic one-component developer, developer cartridge, process cartridge, image forming apparatus, and image forming method

Номер: US0009835963B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A magnetic one-component developer includes magnetic toner particles containing a binder resin and a magnetic powder, and silica particles having a compression and aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less.

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28-07-2020 дата публикации

Titanium oxide film and structure

Номер: US0010722866B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide film by continuous titanium oxide, includes a metallic compound that has a metal atom and a hydrocarbon group and is bonded to a surface of the film, in which absorption occurs at wavelengths of 450 nm and 750 nm.

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25-01-2007 дата публикации

Electrostatic latent image developing toner, manufacturing method for electrostatic latent image developing toner, electrostatic latent image developing developer, and image forming method

Номер: US20070020541A1
Принадлежит: FUJI XEROX CO., LTD.

The present invention provides an electrostatic latent image developing toner including a binding resin having an acidic polar group, a magnetic powder, and a carboxylic acid group-containing compound, the toner having a shape factor (SF1) of 110 to 140, wherein the carboxylic acid group-containing compound has a weight-average molecular weight of 1800 to 50,000 and an acid value of 150 to 600 mg KOH/g.

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22-08-2017 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0009740115B1
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrophotographic photoreceptor includes a conductive substrate, an organic photosensitive layer on the conductive substrate, and an inorganic protective layer on the organic photosensitive layer. A layer that constitutes a surface of the organic photosensitive layer contains a charge transport material, a binder resin, silica particles, and a silicone compound.

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18-07-2017 дата публикации

Silica composite particles and method of preparing the same

Номер: US0009708191B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A method of preparing silica composite particles includes preparing an alkali catalyst solution containing an alkali catalyst at a concentration of from 0.6 mol/L to 0.85 mol/L, in a solvent containing alcohol; and supplying, into the alkali catalyst solution, (i) a mixed solution of tetraalkoxysilane and an organic titanium compound in which an organic group is coupled to a titanium atom through oxygen, and (ii) an alkali catalyst. The mixed solution is supplied at a supply amount of from 0.001 mol/(mol·min) to 0.01 mol/(mol·min) relative to the alcohol, and the alkali catalyst is supplied at a supply amount of from 0.1 mol to 0.4 mol, relative to 1 mol of a total supply amount of the tetraalkoxysilane and the organic titanium compound supplied per one minute.

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13-12-2007 дата публикации

Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the same

Номер: US20070287085A1
Принадлежит: Fuji Xerox Co., Ltd.

Disclosed is an electrophotographic photoreceptor. The electrophotographic photoreceptor includes an organic photoreception layer that is formed on a conductive base and includes at least polycarbonate. An outermost surface of the organic photoreception layer has been subjected to surface treatment using plasma of gas including hydrogen, or hydrogen and nitrogen.

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16-07-2013 дата публикации

Portable wireless device

Номер: US0008489109B2

A mobile wireless device enables effective use of space in a case while reducing degradation of antenna gain and maintaining communication quality even if a plurality of antennas having different frequency bands are arranged close to one another. A magnetic antenna has a first switch unit, a second switch unit, and a concentrated constant circuit which are added to a wiring pattern at the side near to a main antenna, so that a first path and a second path can be selected. Under a predetermined condition, a CPU controls the first switch and the second switch to electrically connect terminal (A1) to terminal (B1) and electrically connect terminal (A2) to terminal (B2), thereby forming the first path; and electrically connect terminal (A1) to terminal (C1) and electrically connect terminal (A2) to terminal (C2), thereby forming the second path connected via the concentrated constant circuit.

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06-02-2018 дата публикации

Carrier for two-component developer, two-component developer, and method of preparing carrier for two-component developer

Номер: US0009885969B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A carrier for two-component developer includes a magnetic particle and a resin coating layer that covers the magnetic particle and contains a resin, wherein a weight average molecular weight of the resin contained in the resin coating layer is from 1,800,000 to 5,000,000.

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10-01-2023 дата публикации

Water purification particles, water culture apparatus, and water purification apparatus

Номер: US0011547069B2
Принадлежит: FUJIFILM Business Innovation Corp.

Water purification particles have porous particles and photocatalyst particles formed of titanium-based compound particles that are supported on the porous particles, have absorption at a wavelength of 500 nm in a visible absorption spectrum, and have an absorption peak at 2,700 cm−1to 3,000 cm−1in an infrared absorption spectrum, and a metal compound having a metal atom and a hydrocarbon group is bonded to the surface of each of the titanium-based compound particles through an oxygen atom.

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09-01-2018 дата публикации

Electrostatic charge image developing carrier, method of preparing electrostatic charge image developing carrier, and electrostatic charge image developer

Номер: US0009864293B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developing carrier includes magnetic particles and a resin coating layer which covers the magnetic particles, wherein a sulfate ion concentration of the resin coating layer is 0.05% by weight or less with respect to a total weight of the resin coating layer, and when a total value of a molar amount of sulfate ions contained and a molar amount of sulfo groups contained per 1 g of the resin coating layer is A mol and a molar amount of sodium ions contained per 1 g of the resin coating layer is B mol, a relationship of 0.1 Подробнее

02-08-2011 дата публикации

Electrostatic latent image developing toner, manufacturing method for electrostatic latent image developing toner, electrostatic latent image developing developer, and image forming method

Номер: US0007989130B2

The present invention provides an electrostatic latent image developing toner including a binding resin having an acidic polar group, a magnetic powder, and a carboxylic acid group-containing compound, the toner having a shape factor (SF1) of 110 to 140, wherein the carboxylic acid group-containing compound has a weight-average molecular weight of 1800 to 50,000 and an acid value of 150 to 600 mg KOH/g.

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31-03-2015 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0008993206B2

An electrophotographic photoreceptor includes a conductive substrate, an organic photosensitive layer that is provided on the conductive substrate, and an inorganic protective layer that is provided on the organic photosensitive layer, wherein the inorganic protective layer includes a first layer, a second layer, and a third layer in this order from the organic photosensitive layer side and satisfies the relationship of the following expression (1): 31<2Expression (1): wherein 1 represents a volume resistivity (·cm) of the first layer, 2 represents a volume resistivity (·cm) of the second layer, and 3 represents a volume resistivity (·cm) of the third layer.

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22-12-2020 дата публикации

Metatitanic acid particles, method for producing metatitanic acid particles, and composition for forming photocatalyst

Номер: US0010870105B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

Metatitanic acid particles have absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, have a surface to which a metal compound having a metal atom and a carbon atom is bonded through an oxygen atom, and satisfy the following inequality: 0.03≤A≤0.3, wherein A represents a value of {(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond} in a C 1s XPS spectrum.

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29-09-2022 дата публикации

METHOD FOR PRODUCING PRESSURE-RESPONSIVE PARTICLES, METHOD FOR PRODUCING PRINTED MATERIAL, METHOD FOR PRODUCING SHEET FOR PRODUCING PRINTED MATERIAL, AND PRESSURE-RESPONSIVE PARTICLES

Номер: US20220306913A1
Принадлежит: FUJIFILM Business Innovation Corp.

A method for producing pressure-responsive particles includes: adding an aggregating agent to a dispersion containing composite resin particles containing a styrene-based resin including a styrene compound and a vinyl monomer other than the styrene compound as polymer components and a (meth)acrylic acid ester-based resin including a (meth)acrylic acid ester compound as a polymer component to aggregate the composite resin particles so as to form aggregated particles A; forming a shell by adding an aggregating agent and styrene-based resin particles containing a styrene compound and a vinyl monomer other than the styrene compound as polymer components to a dispersion containing the aggregated particles A to aggregate the styrene-based resin particles so as to form aggregated particles B; and heating and fusing the aggregated particles B to form pressure-responsive particles. The amount of the styrene-based resin particles added in the formation of the shell is 5 mass % or more and 40 mass % or less relative to the total mass of the composite resin particles. The amount of the aggregating agent added in the formation of the shell is 0.1 mass % or more and 1.0 mass % or less relative to the total mass of the composite resin particles. The mass ratio of the styrene-based resin to the (meth)acrylic acid ester-based resin in the pressure-responsive particles is from 80:20 to 20:80. A difference between the lowest glass transition temperature and the highest glass transition temperature of resins contained in the pressure-responsive particles is 30° C. or more. 1. A method for producing pressure-responsive particles , the method comprising:adding an aggregating agent to a dispersion containing composite resin particles containing a styrene-based resin including a styrene compound and a vinyl monomer other than the styrene compound as polymer components and a (meth)acrylic acid ester-based resin including a (meth)acrylic acid ester compound as a polymer component to ...

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21-01-2020 дата публикации

Titanium oxide aerogel particle, photocatalyst forming composition, and photocatalyst

Номер: US0010538434B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide aerogel particle includes a metallic compound that has a metal atom and a hydrocarbon group, the metallic compound being bonded to a surface of the aerogel particle via an oxygen atom. The titanium oxide aerogel particle has a BET specific surface area of 120 m2/g to 1000 m2/g, and has absorption at wavelengths of 450 nm and 750 nm.

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16-04-2024 дата публикации

Polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film

Номер: US0011958939B2
Принадлежит: FUJIFILM Business Innovation Corp.

A polyimide precursor solution contains: an aqueous solvent containing water; particles; and a polyimide precursor, wherein the polyimide precursor has a high molecular weight region A containing a high molecular weight side maximum value and a low molecular weight region B containing a low molecular weight side maximum value in an elution curve obtained by gel permeation chromatography, a weight average molecular weight in the high molecular weight region A is 50,000 or more, a weight average molecular weight in the low molecular weight region B is 10,000 or more and 30,000 or less, and a value of a/(a+b) is 0.60 or more and 0.98 or less in which a represents an area of the high molecular weight region A and b represents an area of the low molecular weight region B.

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22-01-2019 дата публикации

Titanium oxide particle, method for producing titanium oxide particle, and composition for forming photocatalyst

Номер: US0010183275B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide particle includes a metal compound having a metal atom and a carbon atom and being bonded to a surface through an oxygen atom. The titanium oxide particle has absorption at a wavelength of 450 nm and a wavelength of 750 nm in a visible absorption spectrum and satisfies 0.03≤A≤0.3 where A represents a value of {(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond)} in an XPS spectrum of a carbon 1s orbital.

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24-12-2019 дата публикации

Titanium oxide particle, composition for forming photocatalyst, and photocatalyst

Номер: US0010512895B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide particle includes a metal compound having a titanium metal atom and a carbon atom, and being bonded to a surface of the particle via an oxygen atom, wherein an element ratio (C/Ti) between carbon and titanium on the surface is in a range of 0.2 to 1.1 and the titanium oxide particle has an absorption at a wavelength of each of 450 nm and 750 nm in a visible absorption spectrum.

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17-04-2012 дата публикации

Electrophotographic photoreceptor, process cartridge and image forming apparatus

Номер: US0008158316B2

An electrophotographic photoreceptor includes an electrically conductive substrate, an organic photosensitive layer and a surface layer laminated in this order. The surface layer includes at least gallium (Ga) and oxygen (O) as constituent elements thereof, and has a thickness of 0.2 m to 1.5 m, and a microhardness of 2 GPa to 15 GPa.

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26-03-2013 дата публикации

Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the same

Номер: US0008404415B2

Disclosed is an electrophotographic photoreceptor including: an electroconductive substrate; a photosensitive layer arranged on or above the electroconductive substrate; and a surface layer arranged on or above the photosensitive layer, and containing about 90% or more by atom of gallium (Ga), oxygen (O) and hydrogen (H), and having an atomic number density of about 7.8×1022 cm3 or more.

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12-11-2019 дата публикации

Titanium oxide particle and method for producing the same

Номер: US0010471417B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cm−1 or more and about 3000 cm−1 or less in an infrared absorption spectrum.

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10-08-2021 дата публикации

Plant protection agent

Номер: US0011083200B2

A plant protection agent includes a photocatalyst particle containing a titanium oxide compound. The surface of the photocatalyst particle is modified with a metal compound that includes a metal atom and a hydrocarbon group. The photocatalyst particle has absorption at a wavelength of 550 nm.

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29-04-2008 дата публикации

Electrostatic latent image developing toner, and method for manufacturing electrostatic latent image developer and electrostatic latent image developing toner

Номер: US0007364826B2

There is provided an electrostatic latent image developing toner including a binder resin, a colorant, and a release agent, wherein the shape factor SF1 of the toner is within the range from 110 to 140, the volume average particle size of the toner is within the range from 1.2 μm to 4.8 μm, and the crystallinity of the release agent within the toner is within the range from 35 to 80. There is also provided a method for manufacturing such a toner.

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19-10-2021 дата публикации

Silica-titania composite and structure

Номер: US0011148951B2

A silica-titania composite has a BET specific surface area, as determined by BET analysis of a water vapor adsorption isotherm, in the range of 250 m2/g to 500 m2/g and a contact angle with water of 100° or greater. In the water vapor adsorption isotherm, an adsorbed amount at relative pressure P/P0=0.1 is in a range of 65 cm3/g to 120 cm3/g, an adsorbed amount at relative pressure P/P0=0.5 is in a range of 150 cm3/g to 300 cm3/g, and an adsorbed amount at relative pressure P/P0=0.9 is in a range of 350 cm3/g to 500 cm3/g.

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20-03-2018 дата публикации

Silica particles and method of preparing the same

Номер: US0009919930B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

Provided are methods of preparing silica particles having two maximum values in number particle size distribution, wherein in the two maximum values, a particle size ratio (a maximum value of a small-size side/a maximum value of a large-size side) between a maximum value of a large-size side and a maximum value of a small-size side is from 0.02 to 0.3, and a number ratio (a number of silica particles having a maximum value of the small-size side/number of silica particles having a maximum value of the large-size side) is from 1 to 100, and particles within a range of 10% from the large-size side of the silica particles have an average circularity of from 0.65 to 0.90 and an average shrinkage ratio of from 10 to 50.

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09-01-2018 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0009864286B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrophotographic photoreceptor includes an electroconductive substrate, an organic photosensitive layer on the electroconductive substrate and an inorganic protective layer on the organic photosensitive layer, wherein a layer that forms a surface of the organic photosensitive layer contains a charge transporting material, a binder resin, and a silica particle; the inorganic protective layer contains a group 13 element, an oxygen atom, and a hydrogen atom; a sum of element constitution ratios of the group 13 element, the oxygen atom, and the hydrogen atom to all elements constituting the inorganic protective layer is equal to or more than 90 atomic %; and an element composition ratio (oxygen atom/group 13 element) of the oxygen atom and the group 13 element is 1.0 or more and less than 1.5.

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16-03-2010 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0007678519B2

The present invention provides an electrophotographic photoreceptor, a process cartridge and an image forming apparatus including the same, wherein the electrophotographic photoreceptor prevents the generation of excessive residual potential, which usually occurs on a photoreceptor having a protective layer composed of an inorganic material, and achieves both of high durability and favorable electrical characteristics. An electrophotographic photoreceptor composed of a conductive substrate having thereon a photosensitive layer and a surface layer formed in this order, wherein the total composition ratio of a group 13 element, oxygen, and hydrogen to the total element content in the surface layer is 0.95 or more, and the abundance ratio of the oxygen to the group 13 element is from 1.1 to 1.5.

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13-02-2018 дата публикации

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

Номер: US0009891543B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrostatic charge image developing toner includes toner particles and an external additive that includes silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40 and fatty acid metal salt particles.

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27-02-2018 дата публикации

Unit for image forming apparatus, process cartridge, image forming apparatus, and electrophotographic photoreceptor

Номер: US0009904204B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A unit for an image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate, a photosensitive layer provided on the conductive substrate, and a surface layer provided so as to contact with an outermost surface of the photosensitive layer, and an exposure section that exposes the electrophotographic photoreceptor with a light having a wavelength (λ) (nm) so as to form an electrostatic latent image on a charged surface of the electrophotographic photoreceptor, wherein a surface roughness (Rz1) (nm) of the outermost surface of the photosensitive layer satisfies an expression of [(Rz1)≧(λ)/(4×(n2))] where a refractive index of the surface layer is set as (n2), and an outermost surface of the surface layer has a surface shape different from the outermost surface of the photosensitive layer.

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11-09-2018 дата публикации

Electrophotographic photoreceptor and image forming apparatus

Номер: US0010073364B2
Принадлежит: FUJI XEROX CO., LTD.

Electrophotographic photoreceptor including a conductive substrate, an organic photosensitive layer on an outer peripheral surface of the conductive substrate, and an inorganic protective layer on an outer peripheral surface of the organic photosensitive layer, the inorganic protective layer containing gallium and oxygen. A volume resistivity of an inner region of the inorganic protective layer, the inner region extending 0.2 μm or about 0.2 μm from an inner peripheral surface of the inorganic protective layer in a thickness direction, and a volume resistivity of an outer region of the inorganic protective layer, the outer region extending 0.2 μm or about 0.2 μm from an outer peripheral surface of the inorganic protective layer in the thickness direction, are both 6.0×107 Ω·cm or more and 4.0×108 Ω·cm or less or about 6.0×107 Ω·cm or more and about 4.0×108 Ω·cm or less.

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15-03-2011 дата публикации

Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the same

Номер: US0007906261B2

An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer, an intermediate layer having a thickness of 2 nm to 70 nm, and a surface layer, which are disposed in this order on the conductive substrate. The refractive index n1 of the photosensitive layer, the refractive index n2 of the intermediate layer, and the refractive index n3 of the surface layer satisfy an inequality, n2>n3>n1.

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20-10-2020 дата публикации

Silica titania composite aerogel particle, photocatalyst forming composition, and photocatalyst

Номер: US0010807070B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

Provided is a silica titania composite aerogel particle including a base particle in which an element ratio Si/Ti of silicon to titanium is greater than 0 and equal to or lower than 6. A BET specific surface area of the silica titania composite particle is within a range of 200 m2/g to 1200 m2/g, and the silica titania composite particle has absorption at wavelengths of 450 nm and 750 nm.

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11-06-2019 дата публикации

Image forming apparatus and unit for image forming apparatus

Номер: US0010317809B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An image forming apparatus includes a photoreceptor that includes a conductive substrate, a photosensitive layer, and an inorganic surface layer arranged in that order, the inorganic surface layer containing a group 13 element and oxygen; a charging unit; an electrostatic image-forming unit; a developing unit; a transfer unit; a cleaning unit that performs cleaning by causing the cleaning blade to contact the surface of the photoreceptor; and a supply unit that supplies a fatty acid metal salt to a position where the cleaning blade in the cleaning unit contacts the photoreceptor. When the fatty acid metal salt is supplied, a portion of the surface of the photoreceptor downstream of the supply unit and upstream of the cleaning unit in a rotating direction of the photoreceptor is covered with a metal derived from the fatty acid metal salt at a coverage of about 40% or more.

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05-11-2013 дата публикации

Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the same

Номер: US0008574798B2

The present invention provides an electrophotographic photoreceptor having at least a photosensitive layer and a surface layer provided at a surface of the photosensitive layer. The surface layer contains a first layer which is provided at the photosensitive layer side and has a refractive index of n1 and a second layer which is provided at the opposite side of the first layer to the photosensitive layer and has a refractive index of n2. The refractive index of the photosensitive layer, the refractive index of the first layer, the refractive index of the second layer, the film thickness of the first layer, an integer of 0 or more, and the wavelength of light with which the surface of the photoreceptor is irradiated when an electrostatic latent image is formed satisfy specific relationships.

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07-04-2015 дата публикации

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

Номер: US0008999617B2

An electrostatic charge image developing toner includes toner particles and silica particles that have a titanium content of from 0.001% by weight to 10% by weight in a surface layer, an average particle diameter of from 30 nm to 500 nm, and a particle size distribution index of from 1.1 to 1.5, and are surface-treated with a titanium compound in which an organic group is bonded to a titanium atom via an oxygen atom, and a hydrophobizing agent in sequence.

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28-04-2009 дата публикации

Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the same

Номер: US0007524598B2

Disclosed is an electrophotographic photoreceptor. The electrophotographic photoreceptor includes an organic photoreception layer that is formed on a conductive base and includes at least polycarbonate. An outermost surface of the organic photoreception layer has been subjected to surface treatment using plasma of gas including hydrogen, or hydrogen and nitrogen.

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16-10-2018 дата публикации

Resin particle composition

Номер: US0010100176B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A resin particle composition includes resin particles, inorganic particles surface-treated with oil, and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.

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06-08-2002 дата публикации

Nitride semiconductor device and method of manufacturing the same

Номер: US0006429465B1

A nitride semiconductor device of high quality and excellent crystallinity and the method of manufacturing the same, wherein a nitride series compound semiconductor having at least an element belonging to the group IIIA and nitrogen is grown directly on a substrate, X-ray diffraction peaks of the nitride series compound semiconductor consist only of the peaks from the C-face of the hexagonal system, and the half width of an X-ray rocking curve at (0002) peak in the C-surface is 0.2 degrees of less, and wherein the method includes a step of introducing an organic metal compound at least containing a group IIIA element and a plasma activated nitrogen source into a reaction vessel to grow a nitride series compound semiconductor on the surface of a substrate, in which the ratio for the amount of the group IIIA element and nitrogen atom supplied (ratio for the number of atoms) is group IIIA element: nitrogen atom=1:50,000 to 1:1,000,000.

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11-06-2013 дата публикации

Oxide material, electrophotographic photoreceptor, process cartridge, and image forming device

Номер: US0008460452B2

An oxide material including gallium, zinc and oxygen, a ratio of the number of atoms of zinc to the number of atoms of gallium (number of atoms of zinc/number of atoms of gallium) being from about 0.01 to about 0.6 and a ratio of the number of atoms of oxygen to the sum of the number of atoms of gallium and the number of atoms of zinc (number of atoms of oxygen/(number of atoms of gallium+number of atoms of zinc)) being from about 1.0 to about 1.6, is disclosed. An electrophotographic photoreceptor including a layer which includes the oxide material is also disclosed. An electrophotographic photoreceptor including a substrate; and a photosensitive layer including gallium, oxygen and zinc is also disclosed.

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18-02-2020 дата публикации

Titanium oxide aerogel particle, photocatalyst-forming composition, and photocatalyst

Номер: US0010563018B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A titanium oxide aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, a surface to which a metal compound containing a metal atom and a hydrocarbon group is bonded via an oxygen atom, a BET specific surface area in a range of 120 m2/g to 1,000 m2/g, and a value A is in the range of 0.03 to 0.3. The value A is calculated by formula: A={(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond)}. In the formula, the peak intensity is a value determined from a C 1s XPS spectrum.

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23-05-2017 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0009658544B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrophotographic photoreceptor includes an electroconductive substrate, a photosensitive layer provided on the electroconductive substrate, and an inorganic surface layer provided on the photosensitive layer, wherein a layer constituting an outermost surface of the photosensitive layer contains from 30% by weight to 70% by weight of silica particles and contains a biphenyl copolymerization type polycarbonate resin including a structural unit represented by the formula (PCA) and a structural unit represented by the formula (PCB) at a copolymerization ratio (PCA:PCB (molar ratio)) of 10:90 to 50:50: wherein, RP1, RP2, RP3, and RP4each represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 5 to 7 carbon atoms, or an aryl group having 6 to 12 carbon atoms, and XP1represents a phenylene group, a biphenylene group, a naphthylene group, an alkylene group, or a cycloalkylene group.

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22-01-2013 дата публикации

Electrophotographic photoconductor, process cartridge, and image forming apparatus

Номер: US0008357478B2

An electrophotographic photoconductor includes a base, a photosensitive layer formed on the base, and an overcoat layer formed on the photosensitive layer, wherein the overcoat layer includes gallium, oxygen, and hydrogen, and the intensity ratio (IO-H/IGa-O) of a signal IO-H of an OH bond to a signal IGa-O of a GaO bond in an infrared absorption spectrum is about 0.1 or more and 0.5 or less.

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10-09-2019 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: US0010409179B1
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An electrophotographic photoreceptor includes a conductive support, a charge generation layer disposed on the conductive support, and a charge transport layer disposed on the charge generation layer. The charge generation layer includes a charge generating material and a vinyl copolymer. The vinyl copolymer includes a structural unit including a chlorine atom, a structural unit including an acyloxy group, and a structural unit including two or more carboxyl groups. The proportion of the structural unit including an acyloxy group to all of the structural units is 13.4 mol % or more and 20.0 mol % or less. The charge transport layer includes a charge transporting material and a binder resin.

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23-04-2019 дата публикации

Silica particle comprising a titania coating and method for producing the same

Номер: US0010265680B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A silica particle includes a silica particle body and a titania coating layer formed on a surface of the silica particle body through a reaction of a titanium compound having a structure in which a hydrocarbon group bonds to a titanium atom through an oxygen atom. The silica particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum.

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10-10-2017 дата публикации

Image forming apparatus, electrostatic charge image developer, and electrostatic charge image developing toner

Номер: US0009785069B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

An image forming apparatus includes a developing unit that contains an electrostatic charge image developer and develops an electrostatic charge image formed on the surface of an image holding member as a toner image by using the developer, wherein the developer contains a carrier and an electrostatic charge image developing toner that includes a toner particle and an external additive, the toner particles have an average circularity of from 0.98 to 1.00 and a number-particle diameter distribution index (lower GSD) on a small diameter side of 1.22 or more and contain at least a vinyl resin, and the external additive contains silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.

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29-06-2021 дата публикации

Filter

Номер: US0011045797B2

A filter includes a filter medium having an average pore size of 1 to 5 mm, and photocatalyst particles deposited on the filter medium. The photocatalyst particle contains a titanium compound particle and a metal compound bonded to the surface of the titanium compound particle with an oxygen atom. The metal compound contains a metal atom and a hydrocarbon group. The titanium compound particle has absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum of the titanium compound particle.

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11-03-2014 дата публикации

Electrostatic-image-developing toner, production method thereof, electrostatic image developer, and image forming apparatus

Номер: US0008669032B2

An electrostatic-image-developing toner includes a binder resin that contains a crystalline polyester resin and an amorphous polyester resin; and a coloring agent, wherein the crystalline polyester resin has a melting temperature Tmc of about 25° C. or greater but not greater than about 50° C., and a content of the crystalline polyester resin in the electrostatic-image-developing toner is about 3 wt % or greater but not greater than about 15 wt. %.

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06-10-2020 дата публикации

Structure

Номер: US0010792641B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A structure includes a base material; a surface layer that contains a binder resin and a titanium compound particle having absorption at 450 nm and 750 nm in a visible absorption spectrum and a BET specific surface area within a range of 100 m2/g to 1200 m2/g.

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25-10-2016 дата публикации

Method for manufacturing fatty acid metal salt particle, and fatty acid metal salt particle

Номер: US0009475704B2
Принадлежит: FUJI XEROX CO., LTD., FUJI XEROX CO LTD

A method for manufacturing a fatty acid metal salt particle includes forming a coating layer including a fatty acid metal salt on a surface of a core material particle in supercritical carbon dioxide.

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07-03-2013 дата публикации

SILICA PARTICLES, ELECTROSTATIC IMAGE DEVELOPING TONER, DEVELOPER FOR DEVELOPING ELECTROSTATIC IMAGES, AND METHOD OF FORMING IMAGES

Номер: US20130059244A1
Принадлежит: FUJI XEROX CO., LTD.

Silica particles have a volume average particle diameter in a range of from about 80 nm to about 300 nm, an average degree of circularity in a range of from about 0.920 to about 0.935, and a geometric standard deviation of the degree of circularity in a range of from about 1.02 to about 1.15. 1. Silica particles comprising ,the silica particles having a volume average particle diameter in a range of from about 80 nm to about 300 nm, an average degree of circularity in a range of from about 0.920 to about 0.935, and a geometric standard deviation of the degree of circularity in a range of from about 1.02 to about 1.15.2. The silica particles according to claim 1 ,wherein a volume average particle diameter is in a range of from about 100 nm to about 200 nm.3. The silica particles according to claim 1 ,wherein a volume average particle diameter is in a range of from about 100 nm to about 150 nm.4. The silica particles according to claim 1 ,wherein an average degree of circularity is in a range of from about 0.920 to about 0.930.5. The silica particles according to claim 1 ,wherein a geometric standard deviation of the degree of circularity is in a range of from about 1.10 to about 1.15.6. The silica particle according to claim 1 , which is treated with a hydrophobizing agent.7. An electrostatic image developing toner comprising:toner particles containing a binder resin; andan external additive,wherein the toner particles have an average degree of circularity of about 0.96 or more, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the external additive is the silica particles according to .'}8. The electrostatic image developing toner according to claim 7 ,wherein an average degree of circularity of the toner particles is about 0.97 or more.9. The electrostatic image developing toner according to claim 7 ,wherein a volume average particle diameter of the silica particles is in a range of from about 100 nm to about 200 nm.10. The electrostatic image developing toner ...

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06-06-2013 дата публикации

Silica composite particles and method of preparing the same

Номер: US20130143043A1
Принадлежит: Fuji Xerox Co Ltd

Silica composite particles include silicon oxide and titanium in an amount of from 0.001% by weight to 10% by weight, wherein the silica composite particles have an average particle diameter of from 30 nm to 500 nm, a particle size distribution index of from 1.1 to 1.5, and an average degree of circularity of primary particles of from 0.5 to 0.85.

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12-09-2013 дата публикации

OXIDE MATERIAL, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING DEVICE

Номер: US20130236212A1
Принадлежит: FUJI XEROX CO., LTD.

An oxide material including gallium, zinc and oxygen, a ratio of the number of atoms of zinc to the number of atoms of gallium (number of atoms of zinc/number of atoms of gallium) being from about 0.01 to about 0.6 and a ratio of the number of atoms of oxygen to the sum of the number of atoms of gallium and the number of atoms of zinc (number of atoms of oxygen/(number of atoms of gallium+number of atoms of zinc)) being from about 1.0 to about 1.6, is disclosed. An electrophotographic photoreceptor including a layer which includes the oxide material is also disclosed. An electrophotographic photoreceptor including a substrate; and a photosensitive layer including gallium, oxygen and zinc is also disclosed. 1. An electrophotographic photoreceptor , comprising:a substrate; anda photosensitive layer including gallium, oxygen and zinc.2. The electrophotographic photoreceptor of claim 1 , wherein the content of gallium in the photosensitive layer is larger than the content of zinc in the photosensitive layer in terms of a ratio of the number of atoms.3. The electrophotographic photoreceptor of claim 2 , wherein the photosensitive layer includes a charge generating layer and a charge transport layer claim 2 , the charge transport layer including gallium claim 2 , oxygen and zinc.4. The electrophotographic photoreceptor of claim 3 , wherein the charge generating layer includes an organic charge generating material.5. The electrophotographic photoreceptor of claim 3 , further comprising a charge injection layer between the charge generating layer and the charge transport layer claim 3 , the charge injection layer including gallium claim 3 , oxygen and zinc claim 3 , and a ratio of the content of zinc to the content of gallium in the charge injection layer claim 3 , in terms of a ratio of the number of atoms claim 3 , being higher than the ratio of the content of zinc to the content of gallium in the charge transport layer in terms of a ratio of the number of atoms.6. The ...

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12-12-2013 дата публикации

METHOD OF PREPARING SILICA COMPOSITE PARTICLES

Номер: US20130331591A1
Принадлежит: FUJI XEROX CO., LTD.

Provided is a method of preparing silica composite particles, including treating silica particles, wherein the treating is for treating the silica particles with a metal compound in which a metal atom binds to an organic group via an oxygen atom, in supercritical carbon dioxide, and the metal atom is selected from a group consisting of Ti, Al, Zr, V, and Mg. 1. A method of preparing silica composite particles , comprising:treating silica particles,wherein the treating is for treating the silica particles with a metal compound in which a metal atom binds to an organic group via an oxygen atom, in supercritical carbon dioxide, andthe metal atom is selected from a group consisting of Ti, Al, Zr, V, and Mg.2. The method of preparing silica composite particles according to claim 1 ,wherein the metal atom is Ti or Al.3. The method of preparing silica composite particles according to claim 1 , further comprising:treating the surface of the silica particles of which the surface has been treated with the metal compound, with a hydrophobizing agent.4. The method of preparing silica composite particles according to claim 1 ,wherein the silica particles are prepared by a sol-gel method.5. The method of preparing silica composite particles according to claim 1 ,wherein an amount of the metal compound added is from 0.01% by weight to 10% by weight based on the silica particles.6. The method of preparing silica composite particles according to claim 1 ,wherein in the treating, the temperature of the supercritical carbon dioxide is from 80° C. to 300° C.7. The method of preparing silica composite particles according to claim 1 ,wherein a volume average particle diameter of the silica particles is from 10 nm to 500 nm.8. The method of preparing silica composite particles according to claim 1 ,wherein a circularity of the silica particles is from 0.5 to 0.85.9. The method of preparing silica composite particles according to claim 1 ,wherein a density of the supercritical carbon ...

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26-12-2013 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20130344422A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoreceptor includes a conductive substrate, an organic photosensitive layer that is provided on the conductive substrate, and an inorganic protective layer that is provided on the organic photosensitive layer, wherein the inorganic protective layer includes a first layer, a second layer, and a third layer in this order from the organic photosensitive layer side and satisfies the relationship of the following expression (1): 1. An electrophotographic photoreceptor comprising:a conductive substrate;an organic photosensitive layer that is provided on the conductive substrate; andan inorganic protective layer that is provided on the organic photosensitive layer, {'br': None, 'ρ3≦ρ1<ρ2\u2003\u2003Expression (1), 'wherein the inorganic protective layer includes a first layer, a second layer, and a third layer in this order from the organic photosensitive layer side and satisfies the relationship of the following expression (1)wherein ρ1 represents a volume resistivity (Ω·cm) of the first layer, ρ2 represents a volume resistivity (Ω·cm) of the second layer, and ρ3 represents a volume resistivity (Ω·cm) of the third layer.2. The electrophotographic photoreceptor according to claim 1 ,wherein the organic photosensitive layer contains a p-type charge-transporting organic material, andthe inorganic protective layer contains an n-type or i-type charge-transporting inorganic material.3. The electrophotographic photoreceptor according to claim 1 ,wherein the inorganic protective layer has a thickness of from 0.4 μm to 5.0 μm.4. The electrophotographic photoreceptor according to claim 2 ,wherein the inorganic protective layer has a thickness of from 0.4 μm to 5.0 μm.5. The electrophotographic photoreceptor according to claim 1 ,wherein the first layer has a thickness of from 0.05 μm to 1.0 μm.6. The electrophotographic photoreceptor according to claim 2 ,wherein the first layer has a thickness of from 0.05 μm to 1.0 μm.7. The electrophotographic ...

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16-01-2014 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

Номер: US20140017607A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developing toner includes toner particles, and silica composite particles that contain silicon oxide and from 0.001% by weight to 10% by weight of titanium, and have an average particle size of from 30 nm to 500 nm, a particle size distribution index of from 1.10 to 1.50, and an average circularity of from 0.50 to 0.85. 1. An electrostatic charge image developing toner comprising:toner particles; andsilica composite particles that contain silicon oxide and from 0.001% by weight to 10% by weight of titanium, and have an average particle size of from 30 nm to 500 nm, a particle size distribution index of from 1.10 to 1.50, and an average circularity of from 0.50 to 0.85.2. The electrostatic charge image developing toner according to claim 1 ,wherein the silica composite particles are obtained through preparing an alkali catalyst solution containing an alkali catalyst in an alcohol-containing solvent at a concentration of from 0.6 mol/L to 0.85 mol/L, and supplying, to the alkali catalyst solution, a mixture of a tetraalkoxysilane and an organic titanium compound with an organic group bonded to a titanium atom via an oxygen atom at a supply rate of from 0.001 mol/(mol·min) to 0.01 mol/(mol·min) with respect to alcohol, and supplying from 0.1 mol to 0.4 mol of an alkali catalyst per 1 mol of a total supply amount of the tetraalkoxysilane and the organic titanium compound to be supplied per minute.3. The electrostatic charge image developing toner according to claim 1 ,wherein the content of the titanium is from 0.01% by weight to 9% by weight.4. The electrostatic charge image developing toner according to claim 1 ,wherein the silica composite particles have the average particle size of from 100 nm to 350 nm.5. The electrostatic charge image developing toner according to claim 1 ,wherein the silica composite particles have the particle size distribution index of from 1.25 to 1.40.6. The electrostatic charge image developing toner according ...

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27-02-2014 дата публикации

SILICA PARTICLES AND METHOD OF PREPARING THE SAME

Номер: US20140057107A1
Принадлежит: FUJI XEROX CO., LTD.

Provided are silica particles having two maximum values in number particle size distribution, wherein in the two maximum values, a particle size ratio (a maximum value of a small-size side/a maximum value of a large-size side) between a maximum value of a large-size side and a maximum value of a small-size side is from 0.02 to 0.3, and a number ratio (a number of silica particles having a maximum value of the small-size side/number of silica particles having a maximum value of the large-size side) is from 1 to 100, and particles within a range of 10% from the large-size side of the silica particles have an average circularity of from 0.65 to 0.90 and an average shrinkage ratio of from 10 to 50. 1. Silica particles having two maximum values in number particle size distribution ,wherein in the two maximum values, a particle size ratio (a maximum value of a small-size side/a maximum value of a large-size side) is from 0.02 to 0.3, and a number ratio (a number of silica particles having a maximum value of the small-size side/number of silica particles having a maximum value of the large-size side) is from 1 to 100, andparticles within a range of 10% from the large-size side of the silica particles have an average circularity of from 0.65 to 0.90 and an average shrinkage ratio of from 10 to 50.2. The silica particles according to claim 1 ,wherein the particle size ratio is from 0.03 to 0.2.3. The silica particles according to claim 1 ,wherein the particle size ratio is from 0.04 to 0.1.4. The silica particles according to claim 1 ,wherein a particle size of the maximum value of the large-size side is from 50 nm to 500 nm.5. The silica particles according to claim 1 ,wherein a particle size of the maximum value of the large-size side is from 80 nm to 400 nm.6. The silica particles according to claim 1 ,wherein a particle size of the maximum value of the large-size side is from 100 nm to 300 nm.7. The silica particles according to claim 1 ,wherein a particle size of the ...

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09-01-2020 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20200012205A1
Принадлежит: FUJI XEROX CO.,LTD.

An electrophotographic photoreceptor includes a conductive substrate; an undercoat layer on the conductive substrate; a charge generating layer on the undercoat layer; a charge transporting layer on the charge generating layer; and an inorganic protective layer on the charge transporting layer. The undercoat layer, the charge transporting layer, and the inorganic protective layer each have a film elastic modulus of 5 GPa or more. 1. An electrophotographic photoreceptor comprising:a conductive substrate;an undercoat layer on the conductive substrate;a charge generating layer on the undercoat layer;a charge transporting layer on the charge generating layer; andan inorganic protective layer on the charge transporting layer,wherein the undercoat layer, the charge transporting layer, and the inorganic protective layer each have a film elastic modulus of 5 GPa or more.2. The electrophotographic photoreceptor according to claim 1 , wherein a difference in film elastic modulus between the undercoat layer and the inorganic protective layer is 60 GPa or less.3. The electrophotographic photoreceptor according to claim 1 , wherein a difference in film elastic modulus between the charge transporting layer and the inorganic protective layer is 90 GPa or less.4. The electrophotographic photoreceptor according to claim 1 , wherein the inorganic protective layer has a film elastic modulus of 40 GPa or more and 120 GPa or less.5. The electrophotographic photoreceptor according to claim 1 , wherein the charge transporting layer has a film elastic modulus of 6 GPa or more and 7 GPa or less.6. The electrophotographic photoreceptor according to claim 1 , wherein the undercoat layer has a film elastic modulus of 80 GPa or more and 120 GPa or less.7. An electrophotographic photoreceptor comprising:a conductive substrate;an undercoat layer on the conductive substrate, the undercoat layer being formed of a metal oxide layer;a charge generating layer on the undercoat layer;a charge ...

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11-02-2016 дата публикации

SILICA PARTICLES AND METHOD OF PREPARING THE SAME

Номер: US20160039682A1
Принадлежит:

Provided are methods of preparing silica particles having two maximum values in number particle size distribution, wherein in the two maximum values, a particle size ratio (a maximum value of a small-size side/a maximum value of a large-size side) between a maximum value of a large-size side and a maximum value of a small-size side is from 0.02 to 0.3, and a number ratio (a number of silica particles having a maximum value of the small-size side/number of silica particles having a maximum value of the large-size side) is from 1 to 100, and particles within a range of 10% from the large-size side of the silica particles have an average circularity of from 0.65 to 0.90 and an average shrinkage ratio of from 10 to 50. 1. A method of preparing silica particles , comprising:preparing an alkaline catalyst solution in which an alcohol-containing solvent contains an alkaline catalyst at a concentration of from 0.6 mol/L to 1.0 mol/L; andsupplying tetraalkoxysilane and an alkaline catalyst into the alkaline catalyst solution,wherein the supplying satisfies the following conditions,within a range of from A/2 to A, there is a part where C/B is from 15 (mol/L)/{(mol/min)L} to 60 (mol/L)/{(mol/min)L},wherein, A represents the total amount of the tetraalkoxysilane supplied, B represents (a flow rate of the tetraalkoxysilane supplied)/(a total amount of a solution formed when the tetraalkoxysilane and an alkaline catalyst are supplied into the alkaline catalyst solution), and C represents a concentration of water in a reaction system.2. The method of preparing silica particles according to claim 1 ,wherein a concentration of the alkaline catalyst is in a range of from 0.63 mol/L to 0.78 mol/L.3. The method of preparing silica particles according to claim 1 ,wherein C/B is from 20 (mol/L)/{(mol/min)L} to 50 (mol/L)/{(mol/min)L}.4. The method of preparing silica particles according to claim 1 ,wherein C/B is from 25 (mol/L)/{(mol/min)L} to 40 (mol/L)/{(mol/min)L}.5. The method of ...

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06-02-2020 дата публикации

SILICA-TITANIA COMPOSITE AND STRUCTURE

Номер: US20200039830A1
Принадлежит: FUJI XEROX CO., LTD.

A silica-titania composite has a BET specific surface area, as determined by BET analysis of a water vapor adsorption isotherm, in the range of 250 m/g to 500 m/g and a contact angle with water of 100° or greater. In the water vapor adsorption isotherm, an adsorbed amount at relative pressure P/P=0.1 is in a range of 65 cm/g to 120 cm/g, an adsorbed amount at relative pressure P/P=0.5 is in a range of 150 cm/g to 300 cm/g, and an adsorbed amount at relative pressure P/P=0.9 is in a range of 350 cm/g to 500 cm/g. 1. A silica-titania composite comprising:{'sup': 2', '2, 'the silica-titania composite having a BET specific surface area, as determined by BET analysis of a water vapor adsorption isotherm, in a range of 250 m/g to 500 m/g, and'}a contact angle with water of 100° or greater, and{'sub': 0', '0', '0, 'sup': 3', '3', '3', '3', '3', '3, 'in the water vapor adsorption isotherm, an adsorbed amount at relative pressure P/P=0.1 is in a range of 65 cm/g to 120 cm/g, an adsorbed amount at relative pressure P/P=0.5 is in a range of 150 cm/g to 300 cm/g, and an adsorbed amount at relative pressure P/P=0.9 is in a range of 350 cm/g to 500 cm/g.'}2. The silica-titania composite according to claim 1 , wherein an elemental ratio of titanium to silicon (Ti/Si) is in a range of 1% to 50%.3. The silica-titania composite according to claim 1 , wherein an elemental ratio of titanium to silicon (Ti/Si) is in a range of 3% to 20%.4. The silica-titania composite according to claim 1 , wherein the silica-titania composite is a hydrophobized composite.5. The silica-titania composite according to claim 1 , comprising a coating layer containing a metal atom having a hydrocarbon group claim 1 , the metal atom being bonded to a surface of a composite body through an oxygen atom.6. The silica-titania composite according to claim 5 , wherein the hydrocarbon group is a saturated or unsaturated aliphatic hydrocarbon group having 3 to 20 carbon atoms or an aromatic hydrocarbon group having 6 ...

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19-03-2015 дата публикации

SILICA COMPOSITE PARTICLES AND METHOD OF PREPARING THE SAME

Номер: US20150075083A1
Принадлежит:

A method of preparing silica composite particles includes preparing an alkali catalyst solution containing an alkali catalyst at a concentration of from 0.6 mol/L to 0.85 mol/L, in a solvent containing alcohol; and supplying, into the alkali catalyst solution, (i) a mixed solution of tetraalkoxysilane and an organic titanium compound in which an organic group is coupled to a titanium atom through oxygen, and (ii) an alkali catalyst. The mixed solution is supplied at a supply amount of from 0.001 mol/(mol·min) to 0.01 mol/(mol·min) relative to the alcohol, and the alkali catalyst is supplied at a supply amount of from 0.1 mol to 0.4 mol, relative to 1 mol of a total supply amount of the tetraalkoxysilane and the organic titanium compound supplied per one minute. 1. A method of preparing silica composite particles comprising:preparing an alkali catalyst solution containing an alkali catalyst at a concentration of from 0.6 mol/L to 0.85 mol/L, in a solvent containing alcohol; and a mixed solution of tetraalkoxysilane and an organic titanium compound in which an organic group is coupled to a titanium atom through oxygen at a supply amount of from 0.001 mol/(mol·min) to 0.01 mol/(mol·min) relative to the alcohol, and', 'an alkali catalyst at a supply amount of from 0.1 mol to 0.4 mol, relative to 1 mol of a total supply amount of the tetraalkoxysilane and the organic titanium compound supplied per one minute., 'supplying, into the alkali catalyst solution2. The method of preparing silica composite particles according to claim 1 , wherein the concentration of the alkali catalyst is from 0.63 mol/L to 0.78 mol/L.3. The method of preparing silica composite particles according to claim 1 , wherein the concentration of the alkali catalyst is from 0.66 mol/L to 0.75 mol/L.4. The method of preparing silica composite particles according to claim 1 , wherein the supply amount of the mixed solution of the tetraalkoxysilane and the organic titanium compound is from 0.002 mol/(mol· ...

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16-03-2017 дата публикации

SILICA PARTICLE AND METHOD OF PREPARING SILICA PARTICLE

Номер: US20170073236A1
Принадлежит: FUJI XEROX CO., LTD.

A silica particle has a compression and aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40. 1. A silica particle ,which has a compression and aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.2. The silica particle according to claim 1 ,which has an average equivalent circle diameter of from 40 nm to 200 nm.3. The silica particle according to claim 1 ,which has a particle dispersion degree of from 90% to 100%.4. The silica particle according to claim 1 ,wherein the silica particle is a sol-gel silica.5. The silica particle according to claim 1 ,wherein the silica particle is hydrophobic.6. The silica particle according to claim 1 ,which is subjected to a surface treatment with a siloxane compound having a viscosity of from 1,000 cSt to 50,000 cSt,wherein a surface adhesion amount of the siloxane compound is from 0.01% by weight to 5% by weight with respect to the silica particle.7. The silica particle according to claim 6 ,wherein the siloxane compound is silicone oil.8. The silica particle according to claim 7 ,wherein the silicone oil is dimethylsilicone oil.9. A method of preparing a silica particle claim 7 , comprising:treating a surface of a silica particle with a siloxane compound having a viscosity of from 1,000 cSt to 50,000 cSt so that a surface adhesion amount of the siloxane compound is from 0.01% by weight to 5% by weight with respect to the silica particle.10. The method of preparing a silica particle according to claim 9 , wherein the silica particle has a compression and aggregation degree of from 60% to 95% claim 9 , and a particle compression ratio of from 0.20 to 0.40.11. The method of preparing a silica particle according to claim 9 ,wherein the silica particle has an average equivalent circle diameter of from 40 nm to 200 nm.12. The method of preparing a silica particle according to claim 9 ,wherein the silica particle has a particle dispersion degree of from 90% ...

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05-03-2020 дата публикации

FILTER

Номер: US20200070125A1
Принадлежит: FUJI XEROX CO., LTD.

A filter includes resin particles and photocatalyst particles having absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum. The photocatalyst particles are present on the surface of the resin particle. 1. A filter comprising:resin particles; andphotocatalyst particles having absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum,wherein the photocatalyst particles are present on a surface of each resin particle.2. The filter according to claim 1 , wherein the photocatalyst particles have absorption in an entire wavelength range from 400 nm to 800 nm in the visible absorption spectrum.3. The filter according to claim 1 , wherein the photocatalyst particles have an absorption peak in a range from 2700 cmto 3000 cmin an infrared absorption spectrum.4. The filter according to claim 1 , wherein the photocatalyst particles are at least one type of particles selected from the group consisting of metatitanic acid particles claim 1 , titanium oxide particles claim 1 , titanium oxide aerogel particles claim 1 , and silica-titania composite aerogel particles.5. The filter according to claim 1 , wherein the photocatalyst particles have an average particle size in a range from 0.01 μm to 0.5 μm.6. The filter according to claim 1 , wherein the photocatalyst particles have an average particle size in a range from 0.02 μm to 0.15 μm.7. The filter according to claim 1 , wherein the resin particles have an average particle size in a range from 0.5 μm to 50 μm.8. The filter according to claim 1 , wherein the resin particles have an average particle size in a range from 3 μm to 20 μm.9. The filter according to claim 1 , wherein a ratio of an average particle size of the photocatalyst particles to an average particle size of the resin particles is in a range from 0.001 to 0.1.10. The filter according to claim 1 , wherein a ratio of an average particle size of the photocatalyst particles to an average particle size of the resin ...

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14-03-2019 дата публикации

SILICA-TITANIA COMPOSITE AEROGEL PARTICLE, PHOTOCATALYST-FORMING COMPOSITION, AND PHOTOCATALYST

Номер: US20190076808A1
Принадлежит: FUJI XEROX CO., LTD.

A silica-titania composite aerogel particle includes: a base particle including silicon and titanium whose element ratio Si/Ti is more than 0 and 6 or less; and a surface layer present on the base particle and including a metal compound having a metal atom and a hydrocarbon group. The silica-titania composite aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, has a BET specific surface area in the range of 200 m/g to 1,200 m/g, and has a value A in the range of 0.03 to 0.3. The value A is calculated by formula: A=(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond). The peak intensity is obtained from a C is XPS spectrum. 1. A silica-titania composite aerogel particle comprising:a base particle that includes silicon and titanium whose element ratio Si/Ti is more than 0 and 6 or less; anda surface layer that is present on the base particle and includes a metal compound having a metal atom and a hydrocarbon group,and the silica-titania composite aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum,{'sup': 2', '2, 'has a BET specific surface area in a range of 200 m/g to 1,200 m/g, and has a value A being calculated by formula below in a range of 0.03 to 0.3A=(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond)wherein the peak intensity is a value obtained from a C is XPS spectrum.2. The silica-titania composite aerogel particle according to claim 1 , wherein the silica-titania composite aerogel particle has absorption over an entire wavelength range of 400 nm to 800 nm in the visible absorption spectrum.3. The silica-titania composite aerogel particle according to claim 1 , wherein the silica-titania composite aerogel particles have a volume average particle size in a range of 0.1 μm to 3 μm and a volume particle size distribution in a range of 1.5 to 10. ...

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14-03-2019 дата публикации

SILICA TITANIA COMPOSITE AEROGEL PARTICLE, PHOTOCATALYST FORMING COMPOSITION, AND PHOTOCATALYST

Номер: US20190076822A1
Принадлежит: FUJI XEROX CO., LTD.

Provided is a silica titania composite aerogel particle including a base particle in which an element ratio Si/Ti of silicon to titanium is greater than 0 and equal to or lower than 6. A BET specific surface area of the silica titania composite particle is within a range of 200 m/g to 1200 m/g, and the silica titania composite particle has absorption at wavelengths of 450 nm and 750 nm. 1. A silica titania composite aerogel particle comprising:a base particle in which an element ratio Si/Ti of silicon to titanium is greater than 0 and equal to or lower than 6,{'sup': 2', '2, 'and a BET specific surface area of the silica titania composite aerogel particle is within a range of 200 m/g to 1200 m/g, and'}the silica titania composite aerogel particle has absorption at wavelengths of 450 nm and 750 nm.2. The silica titania composite aerogel particle according to claim 1 ,wherein the silica titania composite aerogel particle has absorption within a range of a wavelength of 400 nm to 800 nm.3. The silica titania composite aerogel particle according to claim 1 ,wherein the silica titania composite aerogel particles have a volume average particle diameter of 0.1 μm to 3 μm, and a volume particle size distribution in a range of 1.5 to 10.4. The silica titania composite aerogel particle according to claim 1 ,wherein the base particle is an aggregated particle in which primary particles are aggregated, andan average particle diameter of the primary particle is 1 nm to 90 nm.5. The silica titania composite aerogel particle according to claim 1 , comprising a first layer formed of titania on the base particle.6. The silica titania composite aerogel particle according to claim 5 , further comprising a second layer on the first layer claim 5 , the second layer containing a metallic compound having a metal atom and a hydrocarbon group.7. The silica titania composite aerogel particle according to claim 6 ,wherein the metallic compound of the second layer is bonded to the first layer ...

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14-03-2019 дата публикации

TITANIUM OXIDE AEROGEL PARTICLE, PHOTOCATALYST FORMING COMPOSITION, AND PHOTOCATALYST

Номер: US20190077675A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide aerogel particle includes a metallic compound that has a metal atom and a hydrocarbon group, the metallic compound being bonded to a surface of the aerogel particle via an oxygen atom. The titanium oxide aerogel particle has a BET specific surface area of 120 m/g to 1000 m/g, and has absorption at wavelengths of 450 nm and 750 nm. 1. A titanium oxide aerogel particle comprising:a titanium oxide aerogel particle, anda metallic compound that has a metal atom and a hydrocarbon group, the metallic compound being bonded to a surface of the titanium oxide acrogel particle via an oxygen atom,{'sup': 2', '2, 'wherein the titanium oxide aerogel particle has a BET specific surface area of 120 m/g to 1000 m/g, and has absorption at wavelengths of 450 nm and 750 nm.'}2. The titanium oxide acrogel particle according to claim 1 ,wherein an element ratio C/Ti of carbon C to titanium Ti on the surface is in a range of 0.3 to 1.5.3. The titanium oxide aerogel particle according to claim 1 , {'br': None, 'i': 'A≤', '0.01≤0.3,'}, 'wherein the titanium oxide aerogel particle satisfies the following expression,'}{'sup': '2', 'wherein A represents a reduction amount of the element ratio C/Ti when the titanium oxide aerogel particle is irradiated with ultraviolet rays having a wavelength of 352 run, at an irradiation intensity of 1.3 mW/cmfor 20 hours.'}4. The titanium oxide aerogel particle according to claim 1 ,wherein the titanium oxide aerogel particle has absorption at wavelengths in the entire range of 400 nm to 800 nm.5. The titanium oxide aerogel particle according to claim 1 ,wherein the hydrocarbon group of the metallic compound is directly bonded to the metal atom.6. The titanium oxide aerogel particle according to claim 1 ,wherein the metal atom is a silicon atom.7. The titanium oxide aerogel particle according to claim 1 ,wherein the hydrocarbon group is a saturated or unsaturated aliphatic hydrocarbon group having 1 to 20 carbon atoms, or an aromatic ...

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14-03-2019 дата публикации

TITANIUM OXIDE AEROGEL PARTICLE, PHOTOCATALYST-FORMING COMPOSITION, AND PHOTOCATALYST

Номер: US20190077922A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, a surface to which a metal compound containing a metal atom and a hydrocarbon group is bonded via an oxygen atom, a BET specific surface area in a range of 120 m/g to 1,000 m/g, and a value A is in the range of 0.03 to 0.3. The value A is calculated by formula: A={(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond)}. In the formula, the peak intensity is a value determined from a C 1s XPS spectrum. 1. A titanium oxide aerogel particle comprising: the titanium oxide aerogel particle havingabsorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum,a surface to which a metal compound containing a metal atom and a hydrocarbon group is bonded via an oxygen atom,{'sup': 2', '2, 'a BET specific surface area in a range of 120 m/g to 1,000 m/g, and'} {'br': None, 'A={(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond)},'}, 'a value A being calculated by formula below in a range of 0.03 to 0.3wherein the peak intensity is a value determined from a C 1s XPS spectrum.2. The titanium oxide aerogel particle according to claim 1 , wherein the titanium oxide aerogel particle has absorption over an entire wavelength range of 400 nm to 800 nm in a visible absorption spectrum.3. The titanium oxide aerogel particle according to claim 1 , wherein the titanium oxide aerogel particles have a volume average particle size in a range of 0.1 μm to 3 μm and a volume particle size distribution in a range of 1.5 to 10.4. The titanium oxide aerogel particle according to claim 1 , wherein primary particles included in the titanium oxide aerogel particle have an average size in a range of 1 nm to 120 nm.5. The titanium oxide aerogel particle according to claim 1 , wherein the metal compound has the hydrocarbon group directly bonded to the ...

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19-03-2020 дата публикации

PLANT PROTECTION AGENT

Номер: US20200085060A1
Принадлежит: FUJI XEROX CO., LTD.

A plant protection agent includes a photocatalyst particle containing a titanium oxide compound. The surface of the photocatalyst particle is modified with a metal compound that includes a metal atom and a hydrocarbon group. The photocatalyst particle has absorption at a wavelength of 550 nm. 1. A plant protection agent comprising:a photocatalyst particle containing a titanium oxide compound, a surface of the photocatalyst particle being modified with a metal compound, the metal compound including a metal atom and a hydrocarbon group, the photocatalyst particle having absorption at a wavelength of 550 nm.2. The plant protection agent according to claim 1 ,wherein the photocatalyst particle has absorption over an entire wavelength range of 500 to 600 nm.3. The plant protection agent according to claim 1 ,wherein the ratio of the absorbance of the photocatalyst particle at a wavelength of 650 nm to the absorbance of the photocatalyst particle at a wavelength of 550 nm is less than 1.4. The plant protection agent according to claim 1 ,wherein the photocatalyst particles have a volume-average size of 0.5 to 50 μm.5. The plant protection agent according to claim 1 ,wherein the photocatalyst particle is formed by aggregation of primary particles, andwherein the primary particles have an average size of 1 to 200 nm.6. The plant protection agent according to claim 1 ,wherein the photocatalyst particles containing the titanium oxide compound is one selected from the group consisting of titanium dioxide particles, metatitanic acid particles, titanium dioxide aerogel particles, and silica-titania composite aerogel particles.7. The plant protection agent according to claim 1 ,wherein the metal atom is a silicon atom.8. The plant protection agent according to claim 1 ,wherein the hydrocarbon group is a saturated or unsaturated aliphatic hydrocarbon group having 1 to 20 carbon atoms or an aromatic hydrocarbon group having 6 to 20 carbon atoms.9. The plant protection agent ...

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19-03-2020 дата публикации

Plant protection agent

Номер: US20200085062A1
Принадлежит: Fuji Xerox Co Ltd

A plant protection agent includes a photocatalyst particle including a titanium oxide compound. The surface of the photocatalyst particle is modified with a metal compound that includes a metal atom and a hydrocarbon group. The photocatalyst particle has absorption at a wavelength of 550 nm. The change in the absorbance of the photocatalyst particle at the wavelength of 550 nm which occurs when the photocatalyst particle is irradiated with white light having an illuminance of 3000 lux for 24 hours is 10% or more.

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30-03-2017 дата публикации

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20170090307A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photosensitive member includes a conductive base; an organic photosensitive layer disposed on the conductive base, the organic photosensitive layer including a layer that constitutes a surface and contains a charge transport material, a binder resin having a viscosity-average molecular weight less than about 50,000, and silica particles in an amount of about 40% by weight or more; and an inorganic protective layer disposed on the organic photosensitive layer. 1. An electrophotographic photosensitive member comprising:a conductive base;an organic photosensitive layer disposed on the conductive base, the organic photosensitive layer including a layer that constitutes a surface and contains a charge transport material, a binder resin having a viscosity-average molecular weight less than about 50,000, and silica particles in an amount of about 40% by weight or more; andan inorganic protective layer disposed on the organic photosensitive layer.2. The electrophotographic photosensitive member according to claim 1 , wherein the viscosity-average molecular weight is about 45 claim 1 ,000 or less.3. The electrophotographic photosensitive member according to claim 1 , wherein the viscosity-average molecular weight is about 40 claim 1 ,000 or less.4. The electrophotographic photosensitive member according to claim 1 , wherein the viscosity-average molecular weight is about 30 claim 1 ,000 or less.5. The electrophotographic photosensitive member according to claim 1 , wherein the organic photosensitive layer includes a charge generation layer and a charge transport layer stacked on the conductive base in that order claim 1 , the charge transport layer containing a charge transport material claim 1 , a binder resin having a viscosity-average molecular weight less than about 50 claim 1 ,000 claim 1 , and silica particles in an amount of about 40% by weight or more.6. The electrophotographic photosensitive member according to claim 1 , wherein the silica ...

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30-03-2017 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20170090310A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoreceptor includes an electroconductive substrate, a photosensitive layer provided on the electroconductive substrate, and an inorganic surface layer provided on the photosensitive layer, wherein a layer constituting an outermost surface of the photosensitive layer contains from 30% by weight to 70% by weight of silica particles and contains a biphenyl copolymerization type polycarbonate resin including a structural unit represented by the formula (PCA) and a structural unit represented by the formula (PCB) at a copolymerization ratio (PCA:PCB (molar ratio)) of 10:90 to 50:50: 3. The electrophotographic photoreceptor according to claim 1 ,wherein the inorganic surface layer contains an element in Group 13, an oxygen atom, and a hydrogen atom,provided that a sum of an element composition ratio of the element in Group 13, an oxygen atom, and a hydrogen atom with respect to the entirety of elements constituting the inorganic surface layer is equal to or greater than 90 atom %, and an atomic ratio of element composition of an oxygen atom and the element in Group 13 (oxygen atom/element in Group 13) is from 1.1 to 1.5.4. The electrophotographic photoreceptor according to claim 2 ,wherein the inorganic surface layer contains an element in Group 13, an oxygen atom, and a hydrogen atom,provided that a sum of an element composition ratio of the element in Group 13, an oxygen atom, and a hydrogen atom with respect to the entirety of elements constituting the inorganic surface layer is equal to or greater than 90 atom %, and an atomic ratio of element composition of an oxygen atom and the element in Group 13 (oxygen/element in Group 13) is from 1.1 to 1.5.5. The electrophotographic photoreceptor according to claim 1 ,{'sup': 2', '2, 'wherein a charpy impact strength of the layer constituting the outermost surface of the photosensitive layer is from 12 kJ/mto 35 kJ/m.'}6. The electrophotographic photoreceptor according to claim 2 ,{'sup': 2', '2, ' ...

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30-03-2017 дата публикации

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

Номер: US20170090312A1
Принадлежит: Fuji Xerox Co Ltd

An electrophotographic photosensitive member includes a conductive base; an organic photosensitive layer disposed on the conductive base, the organic photosensitive layer including a layer that constitutes a surface and contains a charge transport material, a binder resin, and silica particles in an amount of about 40% by weight or more; and an inorganic protective layer disposed on the organic photosensitive layer and having a surface roughness Ra of about 5 nm or less.

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30-03-2017 дата публикации

UNIT FOR IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR

Номер: US20170090339A1
Принадлежит: FUJI XEROX CO., LTD.

A unit for an image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate, a photosensitive layer provided on the conductive substrate, and a surface layer provided so as to contact with an outermost surface of the photosensitive layer, and an exposure section that exposes the electrophotographic photoreceptor with a light having a wavelength (λ) (nm) so as to form an electrostatic latent image on a charged surface of the electrophotographic photoreceptor, wherein a surface roughness (Rz1) (nm) of the outermost surface of the photosensitive layer satisfies an expression of [(Rz1)≧(λ)/(4×(n2))] where a refractive index of the surface layer is set as (n2), and an outermost surface of the surface layer has a surface shape different from the outermost surface of the photosensitive layer. 1. A unit for an image forming apparatus , comprising:an electrophotographic photoreceptor that includes a conductive substrate, a photosensitive layer provided on the conductive substrate, and a surface layer provided so as to contact with an outermost surface of the photosensitive layer; andan exposure section that exposes the electrophotographic photoreceptor with a light having a wavelength (λ) (nm) so as to form an electrostatic latent image on a charged surface of the electrophotographic photoreceptor,wherein a surface roughness (Rz1) (nm) of the outermost surface of the photosensitive layer satisfies an expression of [(Rz1)≧(λ)/(4×(n2))] where a refractive index of the surface layer is set as (n2), andan outermost surface of the surface layer has a surface shape different from the outermost surface of the photosensitive layer, wherein a surface roughness (Rz2) (nm) of the outermost surface of the surface layer satisfies an expression of [(Rz2)≦(Rz1)/2].2. (canceled)3. The unit for an image forming apparatus according to claim 1 ,wherein the surface roughness (Rz2) (nm) of the outermost surface of the surface layer satisfies an ...

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05-04-2018 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS

Номер: US20180095372A1
Принадлежит: FUJI XEROX CO., LTD.

Electrophotographic photoreceptor including a conductive substrate, an organic photosensitive layer on an outer peripheral surface of the conductive substrate, and an inorganic protective layer on an outer peripheral surface of the organic photosensitive layer, the inorganic protective layer containing gallium and oxygen. A volume resistivity of an inner region of the inorganic protective layer, the inner region extending 0.2 μm or about 0.2 μm from an inner peripheral surface of the inorganic protective layer in a thickness direction, and a volume resistivity of an outer region of the inorganic protective layer, the outer region extending 0.2 μm or about 0.2 μm from an outer peripheral surface of the inorganic protective layer in the thickness direction, are both 6.0×10Ω·cm or more and 4.0×10Ω·cm or less or about 6.0×10Ω·cm or more and about 4.0×10Ω·cm or less. 1. An electrophotographic photoreceptor comprising:a conductive substrate;an organic photosensitive layer on an outer peripheral surface of the conductive substrate; andan inorganic protective layer on an outer peripheral surface of the organic photosensitive layer, the inorganic protective layer containing gallium and oxygen,{'sup': 7', '8, 'wherein a volume resistivity of an inner region of the inorganic protective layer, the inner region extending about 0.2 μm from an inner peripheral surface of the inorganic protective layer in a thickness direction, and a volume resistivity of an outer region of the inorganic protective layer, the outer region extending about 0.2 μm from an outer peripheral surface of the inorganic protective layer in the thickness direction, are both about 6.0×10Ω·cm or more and about 4.0×10Ω·cm or less.'}2. The electrophotographic photoreceptor according to claim 1 , wherein at least one of the inner region and the outer region of the inorganic protective layer has a volume resistivity of about 1.0×10Ω·cm or more and about 4.0×10Ω·cm or less.3. The electrophotographic photoreceptor ...

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26-06-2014 дата публикации

Method for manufacturing fatty acid metal salt particle, and fatty acid metal salt particle

Номер: US20140178813A1
Принадлежит: Fuji Xerox Co Ltd

A method for manufacturing a fatty acid metal salt particle includes forming a coating layer including a fatty acid metal salt on a surface of a core material particle in supercritical carbon dioxide.

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28-03-2019 дата публикации

IMAGE FORMING APPARATUS AND UNIT FOR IMAGE FORMING APPARATUS

Номер: US20190094722A1
Принадлежит: FUJI XEROX CO., LTD.

An image forming apparatus includes a photoreceptor that includes a conductive substrate, a photosensitive layer, and an inorganic surface layer arranged in that order, the inorganic surface layer containing a group 13 element and oxygen; a charging unit; an electrostatic image-forming unit; a developing unit; a transfer unit; a cleaning unit that performs cleaning by causing the cleaning blade to contact the surface of the photoreceptor; and a supply unit that supplies a fatty acid metal salt to a position where the cleaning blade in the cleaning unit contacts the photoreceptor. When the fatty acid metal salt is supplied, a portion of the surface of the photoreceptor downstream of the supply unit and upstream of the cleaning unit in a rotating direction of the photoreceptor is covered with a metal derived from the fatty acid metal salt at a coverage of about 40% or more. 1. An image forming apparatus comprising:an electrophotographic photoreceptor that includes a conductive substrate, a photosensitive layer, and an inorganic surface layer arranged in that order, the inorganic surface layer containing a group 13 element and oxygen;a charging unit that charges a surface of the electrophotographic photoreceptor;an electrostatic image-forming unit that forms an electrostatic image on the charged surface of the electrophotographic photoreceptor;a developing unit that supplies an electrostatic image developer to develop the electrostatic image on the surface of the electrophotographic photoreceptor so as to form a toner image;a transfer unit that transfers the toner image on the surface of the electrophotographic photoreceptor onto a surface of a recording medium;a cleaning unit that performs cleaning by causing a cleaning blade to contact the surface of the electrophotographic photoreceptor; anda supply unit that supplies a fatty acid metal salt to a position where the cleaning blade in the cleaning unit contacts the electrophotographic photoreceptor,wherein, when the ...

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26-03-2020 дата публикации

FILTER

Номер: US20200094235A1
Принадлежит: FUJI XEROX CO., LTD.

A filter includes a filter medium having an average pore size of 1 to 5 min, and photocatalyst particles deposited on the filter medium. The photocatalyst particle contains a titanium compound particle and a metal compound bonded to the surface of the titanium compound particle with an oxygen atom. The metal compound contains a metal atom and a hydrocarbon group. The titanium compound particle has absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum of the titanium compound particle. 1. A filter comprising:a filter medium having an average pore size of 1 mm to 5 mm; andphotocatalyst: particles deposited on the filter medium,each photocatalyst particle containing a titanium compound particle and a metal compound bonded to a surface of the titanium compound particle with an oxygen atom,the metal compound containing a metal atom and a hydrocarbon group,the titanium compound particle having absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum of the titanium compound particle.2. The filter according to claim 1 ,wherein the photocatalyst particle has absorption over an entire wavelength range of 400 nm to 800 nm in a visible absorption spectrum of the photocatalyst particle.3. The filter according to claim 1 ,{'sup': '−1', 'wherein the photocatalyst particle has an absorption peak at 2700 cm to 3000 cmin an infrared absorption spectrum of the photocatalyst particle.'}4. The filter according to claim 1 ,wherein the photocatalyst particles are at least one type of particles selected from the group consisting of metatitanic acid particles, titanium oxide particles, titanium oxide aerogel particles, and silica-titanic composite aerogel particles.5. The filter according to claim 1 ,where a the photocatalyst particles have an average size of 0.01 μm to 0.5 μm.6. The filter according to claim 1 ,wherein the photocatalyst particles have an average size of 0.02 μm to 0.15 μm.7. The filter according to claim 1 ,{'sup': −3', ...

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26-03-2020 дата публикации

FILTER

Номер: US20200094236A1
Принадлежит: FUJI XEROX CO., LTD.

A filter includes a filter body containing a paper sheet having a surface roughness of 1.0 μm or more and 10.0 μm or less, and a photocatalyst particle held on the filter body and having a surface to which a metal compound having a metal atom and a hydrocarbon group is bonded via an oxygen atom. The photocatalyst particle is formed of a titanium compound particle having absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum. 1. A filter comprising:a filter body containing a paper sheet having a surface roughness of 1.0 μm or more and 10.0 μm or less; andeach photocatalyst particle of photocatalyst particles, held on the filter body and having a surface to which a metal compound having a metal atom and a hydrocarbon group is bonded via an oxygen atom, the photocatalyst particle being formed of a titanium compound particle having absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum.2. The filter according to claim 1 , wherein the photocatalyst particle has absorption in an entire wavelength range from 400 nm to 800 nm in the visible absorption spectrum.3. The filter according to claim 1 , wherein the photocatalyst particle has an absorption peak in a range from 2700 cmto 3000 cmin an infrared absorption spectrum.4. The filter according to claim 1 , wherein the photocatalyst particle is at least one type of particle selected from the group consisting of a metatitanic acid particle claim 1 , a titanium oxide particle claim 1 , a titanium oxide aerogel particle claim 1 , and a silica-titania composite aerogel particle.5. The filter according to claim 1 , wherein the photocatalyst particles have an average particle size in a range from 0.01 μm to 0.5 μm.6. The filter according to claim 1 , wherein the photocatalyst particles have an average particle size in a range from 0.02 μm to 0.15 μm.7. The filter according to claim 1 , wherein a ratio (average particle size/surface roughness) of an average particle size of the ...

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25-08-2022 дата публикации

Polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film

Номер: US20220267527A1
Принадлежит: FUJIFILM BUSINESS INNOVATION CORP

A polyimide precursor solution contains: an aqueous solvent containing water; particles; and a polyimide precursor, wherein the polyimide precursor has a high molecular weight region A containing a high molecular weight side maximum value and a low molecular weight region B containing a low molecular weight side maximum value in an elution curve obtained by gel permeation chromatography, a weight average molecular weight in the high molecular weight region A is 50,000 or more, a weight average molecular weight in the low molecular weight region B is 10,000 or more and 30,000 or less, and a value of a/(a+b) is 0.60 or more and 0.98 or less in which a represents an area of the high molecular weight region A and b represents an area of the low molecular weight region B.

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31-07-2014 дата публикации

SILICA COMPOSITE PARTICLES AND METHOD OF PREPARING THE SAME

Номер: US20140212667A1
Принадлежит:

Silica composite particles in which a silica particle surface is sequentially surface-treated with a titanium compound in which an organic group is bonded to a titanium atom through an oxygen atom, and a hydrophobizing agent are provided, in which a titanium content in the silica composite particles measured using fluorescence X-ray is from 0.001% by weight to 10% by weight; a titanium content of a surface layer of the silica composite particles satisfies the following Formula (1); an average particle diameter of the silica composite particles is from 30 nm to 500 nm; and a particle size distribution index of the silica composite particles is from 1.1 to 1.5: 1. Silica composite particles in which a silica particle surface is sequentially surface-treated with a titanium compound in which an organic group is bonded to a titanium atom through an oxygen atom , and a hydrophobizing agent ,wherein,a titanium content in the silica composite particles measured using fluorescence X-ray is from 0.001% by weight to 10% by weight;a titanium content of a surface layer of the silica composite particles satisfies the following Formula (1);an average particle diameter of the silica composite particles is from 30 nm to 500 nm; and {'br': None, 'i': 'Y/X<', '0.6<1.8\u2003\u2003(1)'}, 'a particle size distribution index of the silica composite particles is from 1.1 to 1.5wherein in Formula (1), X represents a titanium content (% by weight) in silica composite particles measured using fluorescence X-ray, and Y represents a titanium content (atom %) of the silica composite particle surface obtained by XPS measurement.2. The silica composite particles according to claim 1 ,wherein an average degree of circularity of the silica composite particles is from 0.5 to 0.85.3. The silica composite particles according to claim 1 ,wherein the organic group is an alkoxy group.4. The silica composite particles according to claim 3 ,wherein the number of carbon atoms in the alkoxy group is 8 or less ...

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19-05-2016 дата публикации

Silica composite particles and method of preparing the same

Номер: US20160137848A1
Принадлежит: Fuji Xerox Co Ltd

Silica composite particles in which a silica particle surface is sequentially surface-treated with a titanium compound in which an organic group is bonded to a titanium atom through an oxygen atom, and a hydrophobizing agent are provided, in which a titanium content in the silica composite particles measured using fluorescence X-ray is from 0.001% by weight to 10% by weight; a titanium content of a surface layer of the silica composite particles satisfies the following Formula (1); an average particle diameter of the silica composite particles is from 30 nm to 500 nm; and a particle size distribution index of the silica composite particles is from 1.1 to 1.5: 0.6< Y/X <1.8  (1) wherein X represents a titanium content in silica composite particles measured using fluorescence X-ray, and Y represents a titanium content of the silica composite particle surface obtained by XPS measurement.

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14-06-2018 дата публикации

TITANIUM OXIDE PARTICLE, COMPOSITION FOR FORMING PHOTOCATALYST, AND PHOTOCATALYST

Номер: US20180161763A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide particle includes a metal having a hydrocarbon group, which is bonded to a surface of the titanium oxide particle through an oxygen atom, and absorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm, wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the titanium oxide particle is from 0.3 to 1.2, and a reduced amount of C/Ti on the surface of the titanium oxide particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cmfor 20 hours is from 0.1 to 0.9. 1. A titanium oxide particle ,which comprises a metal having a hydrocarbon group, which is bonded to a surface of the titanium oxide particle through an oxygen atom, andabsorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm,wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the titanium oxide particle is from 0.3 to 1.2, and{'sup': '2', 'a reduced amount of C/Ti on the surface of the titanium oxide particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cmfor 20 hours is from 0.1 to 0.9.'}2. The titanium oxide particle according to claim 1 ,which has an absorption in a whole range of a wavelength of 400 nm to 800 nm in a visible absorption spectrum.3. The titanium oxide particle according to claim 1 ,which is prepared by subjecting a titanium oxide particle to surface treatment with a metal-containing compound,{'sup': 1', '2', '1', '2', '1', '2, 'sub': n', 'm, "the metal-containing compound being a compound represented by RSiRwherein Rrepresents an aliphatic hydrocarbon group or an aromatic hydrocarbon group which has 1 to 20 carbon atoms and is saturated or unsaturated, Rrepresents a halogen atom or an alkoxy group, n represents an integer of 1 to 3, m represents an integer of 1 to 3, provided that n+m=4 is satisfied, when n represents an ...

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14-06-2018 дата публикации

METATITANIC ACID PARTICLE, COMPOSITION FOR FORMING PHOTOCATALYST, AND PHOTOCATALYST

Номер: US20180161764A1
Принадлежит: FUJI XEROX CO., LTD.

A metatitanic acid particle includes a metal having a hydrocarbon group, which is bonded to a surface of the metatitanic acid particle through an oxygen atom, and absorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm, wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the metatitanic acid particle is from 0.3 to 1.2, and a reduced amount of C/Ti on the surface of the metatitanic acid particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cmfor 20 hours is from 0.1 to 0.9. 1. A metatitanic acid particle ,which comprises a metal having a hydrocarbon group, which is bonded to a surface of the metatitanic acid particle through an oxygen atom, andabsorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm,wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the metatitanic acid particle is from 0.3 to 1.2, and{'sup': '2', 'a reduced amount of C/Ti on the surface of the metatitanic acid particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cmfor 20 hours is from 0.1 to 0.9.'}2. The metatitanic acid particle according to claim 1 ,which has an absorption in a whole range of a wavelength of 400 nm to 800 nm in the visible absorption spectrum.3. The metatitanic acid particle according to claim 1 ,{'sup': 1', '2', '1', '2', '1', '2, 'sub': n', 'm, 'wherein the metal having a hydrocarbon group is derived from a compound represented by RMRwherein Rrepresents an aliphatic hydrocarbon group or an aromatic hydrocarbon group, which is saturated or unsaturated and has 1 to 20 carbon atoms, Rrepresents a halogen atom or an alkoxy group, M represents a metal atom, n represents an integer of 1 to 3, and m represents an integer of 1 to 3, provided that n+m=4 is satisfied, in a case where n represents an integer of 2 or 3, ...

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14-06-2018 дата публикации

TITANIUM OXIDE PARTICLE, COMPOSITION FOR FORMING PHOTOCATALYST, AND PHOTOCATALYST

Номер: US20180161765A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide particle includes bonded thereon a metal-containing compound which has a hydrocarbon group, wherein the titanium oxide particle has an absorption at 450 nm and 750 nm in a visible absorption spectrum, and with respect to a surface of the particle, an element ratio M/Ti between metal M of the metal-containing compound and titanium is from 0.1 to 0.4 and an element ratio C/Ti between carbon C and titanium is from 0.3 to 1.2. 1. A titanium oxide particle comprising bonded thereon a metal-containing compound which has a hydrocarbon group ,wherein the titanium oxide particle has an absorption at 450 nm and 750 nm in a visible absorption spectrum, andwith respect to a surface of the particle, an element ratio M/Ti between metal M of the metal-containing compound and titanium is from 0.1 to 0.4 and an element ratio C/Ti between carbon C and titanium is from 0.3 to 1.2.2. The titanium oxide particle according to claim 1 ,wherein the titanium oxide particle is any one of a brookite type, an anatase type, and a rutile type.3. The titanium oxide particle according to claim 1 ,which has an absorption in a range of a wavelength of 400 nm to 800 nm in the visible absorption spectrum.4. The titanium oxide particle according to claim 1 ,wherein an element ratio O/(M+Ti) between oxygen O and a total of the metal M and titanium with respect to the surface of the particle is from 2.05 to 2.5.5. The titanium oxide particle according to claim 1 ,wherein the metal of the metal-containing compound is silicon.6. The titanium oxide particle according to claim 1 ,{'sup': 1', '2', '1', '2', '1', '2, 'sub': n', 'm, 'wherein the metal-containing compound which has a hydrocarbon group is a compound represented b RMR, wherein Rrepresents an aliphatic hydrocarbon group or an aromatic hydrocarbon group, which is saturated or unsaturated and has 1 to 20 carbon atoms, Rrepresents a halogen atom or an alkoxy group, n represents an integer of 1 to 3, and m represents an integer of 1 to ...

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14-06-2018 дата публикации

METATITANIC ACID PARTICLE, COMPOSITION FOR FORMING PHOTOCATALYST, AND PHOTOCATALYST

Номер: US20180162887A1
Принадлежит: FUJI XEROX CO., LTD.

A metatitanic acid particle including bonded thereon a metal-containing compound which has a hydrocarbon group, wherein the metatitanic acid particle has an absorption at 450 nm and 750 nm in a visible absorption spectrum, and with respect to a surface of the particle, an element ratio M/Ti between metal M of the metal-containing compound and titanium is from 0.1 to 0.4 and an element ratio C/Ti between carbon C and titanium is from 0.3 to 1.2. 1. A metatitanic acid particle comprising bonded thereon a metal-containing compound which has a hydrocarbon group ,wherein the metatitanic acid particle has an absorption at 450 nm and 750 nm in a visible absorption spectrum, and,with respect to a surface of the particle, an element ratio M/Ti between metal M of the metal-containing compound and titanium is from 0 .1 to 0.4 and an element ratio C/Ti between carbon C and titanium is from 0.3 to 1.2.2. The metatitanic acid particle according to claim 1 ,which has an absorption in a range of wavelengths of 400 nm to 800 nm in the visible absorption spectrum.3. The metatitanic acid particle according to claim 1 ,wherein an element ratio O/(M+Ti) between oxygen 0 and a total of the metal M and titanium with respect to the surface of the particle is from 2.05 to 2.5.4. The metatitanic acid particle according to claim 1 ,wherein the metal of the metal-containing compound is silicon.5. The metatitanic acid particle according to claim 1 ,{'sup': 1', '2', '1', '2', '1', '2, 'sub': n', 'm, 'wherein the metal-containing compound which has a hydrocarbon group is a compound represented by RMR, wherein Rrepresents an aliphatic hydrocarbon group or an aromatic hydrocarbon group, which is saturated or unsaturated and has 1 to 20 carbon atoms, Rrepresents a halogen atom or an alkoxy group, n represents an integer of 1 to 3, and m represents an integer of 1 to 3, provided that n+m=4 is satisfied, in a case where n represents an integer of 2 or 3, plural Rmay be the same or different, and in a ...

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29-09-2022 дата публикации

POLYIMIDE POROUS FILM, NON-AQUEOUS SECONDARY BATTERY SEPARATOR, SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Номер: US20220305739A1
Принадлежит: FUJIFILM Business Innovation Corp.

A polyimide porous film includes: a polyimide porous film body; and at least one of resin particles and a resin porous film, the at least one of the resin particles and the resin porous film adhering to one surface or both surfaces of the polyimide porous film body, and containing a fluorine-based resin or containing a fluorine-based resin and an acrylic resin. 1. A polyimide porous film , comprising:a polyimide porous film body; andat least one of resin particles and a resin porous film, the at least one of the resin particles and the resin porous film adhering to one surface or both surfaces of the polyimide porous film body, and containing a fluorine-based resin or containing a fluorine-based resin and an acrylic resin.2. The polyimide porous film according to claim 1 , wherein the fluorine-based resin is a polymer containing a vinylidene fluoride as a polymerization component.3. The polyimide porous film according to claim 1 , wherein in a case where an average pore diameter of the polyimide porous film body is represented by X and an average particle diameter of the resin particles is represented by Y claim 1 , a relationship of X Подробнее

29-09-2022 дата публикации

POLYIMIDE PRECURSOR FILM AND METHOD FOR PRODUCING POLYIMIDE FILM

Номер: US20220306806A1
Принадлежит: FUJIFILM Business Innovation Corp.

A polyimide precursor film contains a polyimide precursor, in which a total content of a solvent containing water and a solvent other than water in the polyimide precursor film is 5 mass % or more and 40 mass % or less, and a mass ratio of water to the solvent other than water in the polyimide precursor film is 0 or more and 2.5 or less. 1. A polyimide precursor film , comprising:a polyimide precursor, whereina total content of a solvent containing water and a solvent other than water in the polyimide precursor film is 5 mass % or more and 40 mass % or less, anda mass ratio of water to the solvent other than water in the polyimide precursor film is 0 or more and 2.5 or less.2. A polyimide precursor film , comprising:a polyimide precursor, whereina total content of a solvent containing water and a solvent other than water in the polyimide precursor film is 5 mass % or more and 40 mass % or less, andthe polyimide precursor film has a tensile strength of 5 kPa or more and 40 kPa or less.3. The polyimide precursor film according to claim 1 , wherein the total content of the solvent containing water and a solvent other than water in the polyimide precursor film is 8 mass % or more and 33 mass % or less.4. The polyimide precursor film according to claim 2 , wherein the total content of the solvent containing water and a solvent other than water in the polyimide precursor film is 8 mass % or more and 33 mass % or less.5. The polyimide precursor film according to claim 1 , wherein the mass ratio of water to the solvent other than water in the polyimide precursor film is 0 or more and 1.0 or less.6. The polyimide precursor film according to claim 2 , wherein the mass ratio of water to the solvent other than water in the polyimide precursor film is 0 or more and 1.0 or less.7. The polyimide precursor film according to claim 1 , wherein the solvent other than water contains a water-insoluble solvent.8. The polyimide precursor film according to claim 2 , wherein the solvent ...

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29-09-2022 дата публикации

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20220308473A1
Принадлежит: FUJIFILM Business Innovation Corp.

An electrophotographic photosensitive member includes a conductive support and a photosensitive layer disposed on the conductive support. A top surface layer of the electrophotographic photosensitive member includes fluorine-containing resin particles, a fluorine-containing dispersant, and two or more charge transporting materials. When the charge transporting materials are listed in order of decreasing HOMO energy levels, a difference in HOMO energy level between each adjacent two of the charge The ratio A of the amount of each of the charge transporting materials to the total amount of the charge transporting materials satisfies the condition 1 below, 1. An electrophotographic photosensitive member comprising:a conductive support; anda photosensitive layer disposed on the conductive support,wherein a top surface layer of the electrophotographic photosensitive member includes fluorine-containing resin particles, a fluorine-containing dispersant, and two or more charge transporting materials,wherein, when the charge transporting materials are listed in order of decreasing HOMO energy levels, a difference in HOMO energy level between each adjacent two of the charge transporting materials is more than 0 eV and 0.2 eV or less, and {'br': None, 'i': N', 'N×', 'A', 'N', 'N×, '[(100/)−(100/0.3)]≤≤[(100/)+(100/0.3)]\u2003\u2003Condition 1'}, 'wherein a ratio A of an amount of each of the charge transporting materials to a total amount of the charge transporting materials satisfies a condition 1 below,'}where, in the condition 1, N represents a number of types of the charge transporting materials included in the top surface layer.2. The electrophotographic photosensitive member according to claim 1 ,wherein, when the charge transporting materials are listed in order of decreasing HOMO energy levels, the difference in HOMO energy level between each adjacent two of the charge transporting materials is 0.01 eV or more and 0.2 eV or less.3. The electrophotographic ...

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29-09-2022 дата публикации

Method for producing pressure-responsive particles, method for producing printed material, method for producing sheet for producing printed material, and pressure-responsive particles

Номер: US20220308478A1
Принадлежит: FUJIFILM BUSINESS INNOVATION CORP

A method for producing pressure-responsive particles includes: adding an aggregating agent and a dispersion containing silica particles to a dispersion containing composite resin particles containing a styrene-based resin including a styrene compound and a vinyl monomer other than the styrene compound as polymer components and a (meth)acrylic acid ester-based resin including a (meth)acrylic acid ester compound as a polymer component to cause aggregation so as to form aggregated particles; and heating and fusing the aggregated particles to form pressure-responsive particles. The amount of the silica particles added by the dispersion containing the silica particles is 0.5 mass % or more and 10 mass % or less relative to a total mass of the composite resin particles. The mass ratio of the styrene-based resin to the (meth)acrylic acid ester-based resin in the pressure-responsive particles is from 80:20 to 20:80. A difference between the lowest glass transition temperature and the highest glass transition temperature of resins contained in the pressure-responsive particles is 30° C. or more.

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29-09-2022 дата публикации

Particle set for producing printed matter, apparatus for producing printed matter, and method for producing printed matter

Номер: US20220308486A1
Принадлежит: FUJIFILM BUSINESS INNOVATION CORP

A particle set for producing a printed matter includes: a chromatic color toner containing toner particles A; and pressure-responsive particles containing base particles B, in which the base particles B contain a styrene resin containing, as polymerization components, styrene and a vinyl monomer other than styrene, and a (meth)acrylate resin containing, as a polymerization component, a (meth)acrylate, a mass ratio of the styrene resin to the (meth)acrylate resin (styrene resin:(meth)acrylate resin) is 80:20 to 20:80, a difference between the lowest glass transition temperature and the highest glass transition temperature of the pressure-responsive particles is 30° C. or more, and when the toner particles A have a volume average particle diameter D50A and the base particles B have a volume average particle diameter D50B, the D50A and the D50B satisfy formula 1-1: 1.5 μm<(D50B−D50A).

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02-10-2014 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20140295334A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoreceptor includes a conductive substrate; an organic photosensitive layer that is provided on the conductive substrate; and an inorganic protective layer that is provided on the organic photosensitive layer so as to be in contact with a surface of the organic photosensitive layer, wherein the organic photosensitive layer includes at least a charge transport material and silica particles in a region on the surface side in contact with the inorganic protective layer. 1. An electrophotographic photoreceptor comprising:a conductive substrate;an organic photosensitive layer that is provided on the conductive substrate; andan inorganic protective layer that is provided on the organic photosensitive layer so as to be in contact with a surface of the organic photosensitive layer,wherein the organic photosensitive layer includes at least a charge transport material and silica particles in a region on the surface side in contact with the inorganic protective layer.2. The electrophotographic photoreceptor according to claim 1 ,wherein the organic photosensitive layer includes a charge generation layer and a charge transport layer, which includes at least a charge transport material and silica particles, on the conductive substrate in this order.3. The electrophotographic photoreceptor according to claim 2 ,wherein a content of the silica particles is from 30% by weight to 70% by weight with respect to the total weight of the charge transport layer.4. The electrophotographic photoreceptor according to claim 2 ,wherein a content of the silica particles is greater than a content of the charge transport material.5. The electrophotographic photoreceptor according to claim 2 ,wherein a content of the charge transport material is from 40% by weight to 60% by weight with respect to a weight obtained by subtracting the weight of the silica particles from the weight of all the components of the charge transport layer.6. The electrophotographic photoreceptor ...

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02-10-2014 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

Номер: US20140295340A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developing toner includes toner particles and silica particles that have a titanium content of from 0.001% by weight to 10% by weight in a surface layer, an average particle diameter of from 30 nm to 500 nm, and a particle size distribution index of from 1.1 to 1.5, and are surface-treated with a titanium compound in which an organic group is bonded to a titanium atom via an oxygen atom, and a hydrophobizing agent in sequence. 1. An electrostatic charge image developing toner comprising:toner particles; andsilica particles that have a titanium content of from 0.001% by weight to 10% by weight in a surface layer, an average particle diameter of from 30 nm to 500 nm, and a particle size distribution index of from 1.1 to 1.5, and are surface-treated with a titanium compound in which an organic group is bonded to a titanium atom via an oxygen atom, and a hydrophobizing agent in sequence.2. The electrostatic charge image developing toner according to claim 1 ,wherein the silica particles have an average circularity of from 0.5 to 0.85.3. The electrostatic charge image developing toner according to claim 1 ,wherein the toner particles include a polyester resin.4. The electrostatic charge image developing toner according to claim 3 ,wherein a content of the polyester resin is from 40% by weight to 95% by weight with respect to the entire toner particles.5. The electrostatic charge image developing toner according to claim 3 ,wherein the polyester resin has a weight average molecular weight (Mw) of from 5000 to 1000000.6. The electrostatic charge image developing toner according to claim 3 ,wherein the polyester resin has a molecular weight distribution Mw/Mn of from 1.5 to 100.7. The electrostatic charge image developing toner according to claim 1 ,wherein the toner particles include a release agent.8. The electrostatic charge image developing toner according to claim 7 ,wherein the release agent has a melting temperature of from 50° C. to 110 ...

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25-06-2020 дата публикации

POROUS MEMBRANE AND METHOD FOR PRODUCING POROUS MEMBRANE

Номер: US20200197868A1
Принадлежит: FUJI XEROX CO., LTD.

A porous membrane includes a porous membrane base containing a polymer compound and having pores interconnected in a thickness direction, and a metal oxide film on inner wall surfaces of the pores. 1. A porous membrane comprising:a porous membrane base containing a polymer compound and having pores interconnected in a thickness direction; anda metal oxide film on inner wall surfaces of the pores.2. The porous membrane according to claim 1 , wherein the pores have a size of 0.1 μm or more and 50 μm or less.3. The porous membrane according to claim 2 , wherein the pores have a size of 0.5 μm or more and 10 μm or less.4. The porous membrane according to claim 1 , wherein the metal oxide film has a mean thickness of 0.01 μm or more and 0.2 μm or less.5. The porous membrane according to claim 1 , wherein the pores have a size of 0.5 μm or more and 10 μm or less claim 1 , and the metal oxide film has a mean thickness of 0.01 μm or more and 0.2 μm or less.6. The porous membrane according to claim 1 , wherein a degree of thickness uniformity obtained from the following formula (1) is 20% or less claim 1 ,{'br': None, 'i': X−Y', 'X+Y, 'Degree of thickness uniformity=()/()×100\u2003\u2003Formula (1)where X represents a maximum thickness of the metal oxide film and Y represents a minimum thickness of the metal oxide film.713. The porous membrane according to claim 1 , wherein the metal oxide film contains an oxide of a group element.8. The porous membrane according to claim 6 , wherein the metal oxide film contains gallium oxide.9. The porous membrane according to claim 1 , wherein the porous membrane has a mean thickness of 50 μm or more and 500 μm or less.10. The porous membrane according to claim 1 , wherein the porous membrane has a tensile strength at break of 5 MPa or more.11. The porous membrane according to claim 1 , wherein the porous membrane has a tensile elongation at break of 50% or more.12. The porous membrane according to claim 1 , wherein a permeation flux of ...

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25-06-2020 дата публикации

FILM FORMING APPARATUS AND FILM FORMING METHOD

Номер: US20200199750A1
Автор: IWANAGA Takeshi
Принадлежит: FUJI XEROX CO., LTD.

A film forming apparatus includes a reaction vessel that has a film forming target member disposed therein and deposits a film having an element contained in a film forming gas as a constituent element on the film forming target member, utilizing excitation and decomposition of the film forming gas supplied thereto and that has a reaction active region where the film forming gas is capable of being excited and decomposed, and a reaction inactive region that is a region continuous with the reaction active region; a film forming gas supply device that supplies the film forming gas to the reaction inactive region within the reaction vessel; an excitation device that excites and decomposes the film forming gas in the reaction vessel; a holding device that has a holding member which holds the film forming target member, and a drive unit which drives the holding member between the reaction inactive region and the reaction active region and repeatedly moves the film forming target member and which supplies the film forming gas from the reaction inactive region to the reaction active region together with the movement of the film forming target member; and an exhaust member that is provided within the reaction vessel to exhaust a gas in the reaction vessel and that exhausts the gas in the reaction vessel that has passed through or over at least one of an interior or a side face of the film forming target member held by the holding member. 1. A film forming apparatus comprising:a reaction vessel that has a film forming target member disposed therein and deposits a film having an element contained in a film forming gas as a constituent element on the film forming target member, utilizing excitation and decomposition of the film forming gas supplied thereto and that has a reaction active region where the film forming gas is capable of being excited and decomposed, and a reaction inactive region that is a region continuous with the reaction active region;a film forming gas ...

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10-08-2017 дата публикации

RESIN PARTICLE COMPOSITION

Номер: US20170226314A1
Принадлежит: FUJI XEROX CO., LTD.

A resin particle composition includes resin particles, polishing agent particles having an average circle-equivalent diameter of 0.1 μm to 3.0 μm, and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40. 1. A resin particle composition , comprising:resin particles;polishing agent particles having an average circle-equivalent diameter of 0.1 μm to 3.0 μm; andsilica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.2. The resin particle composition according to claim 1 ,wherein an average circle-equivalent diameter of the silica particles is from 40 nm to 200 nm.3. The resin particle composition according to claim 1 ,wherein a particle dispersion degree of the silica particles is 90% to 100%.4. The resin particle composition according to claim 1 ,wherein the silica particles are surface-treated with a siloxane compound having a viscosity of 1,000 cSt to 50,000 cSt, and the surface attachment amount of the siloxane compound is from 0.01% by weight to 5% by weight.5. The resin composition according to claim 4 ,wherein the siloxane compound is silicone oil.6. The resin particle composition according to claim 1 ,wherein an average circularity degree of the silica particles is 0.85 to 0.98.7. The resin particle composition according to claim 1 ,wherein the silica particles are sol-gel silica particles.8. The resin particle composition according to claim 1 ,wherein a ratio (Da/Dsi) of the average circle-equivalent diameter (Da) of the polishing agent particles to the average circle-equivalent diameter (Dsi) of the silica particles is from 0.5 to 75. This application is on and claims priority under 35 USC 119 from Japanese Patent Application No. 2016-024141 filed Feb. 10, 2016.1. Technical FieldThe present invention relates to a resin particle composition.2. Related ArtA resin particle composition has been applied as various applications such as ...

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10-08-2017 дата публикации

RESIN PARTICLE COMPOSITION

Номер: US20170226316A1
Принадлежит: FUJI XEROX CO., LTD.

The invention is directed to a resin particle composition, containing: resin particles; lubricant particles; and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40, and a resin particle composition, containing: resin particles, on the surface of which at least a part of a release agent is exposed; and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40. 1. A resin particle composition , comprising:resin particles;lubricant particles; andsilica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.2. The resin particle composition according to claim 1 ,wherein a content of the lubricant particles with respect to the resin particles is 0.1% by weight to 8% by weight.3. The resin particle composition according to claim 1 ,wherein an average circle-equivalent diameter of the lubricant particles by volume is 0.1 μm to 10.0 μm.4. The resin particle composition according to claim 1 ,wherein a content of the lubricant particles with respect to the resin particles is 1% by weight or more.5. The resin particle composition according to claim 1 ,wherein the lubricant particles are fatty acid metal salt particles.6. The resin particle composition according to claim 5 ,wherein the fatty acid metal salt particles are zinc stearate.7. The resin particle composition according to claim 1 ,wherein an average circle-equivalent diameter of the silica particles is 40 nm to 200 nm.8. The resin particle composition according to claim 1 ,wherein a particle dispersion degree of the silica particles is 90% to 100%.9. The resin particle composition according to claim 1 ,wherein the silica particles contain a siloxane compound having a viscosity of 1,000 cSt to 50,000 cSt, and a surface coated amount of the siloxane compound is 0.01% by weight to 5% by weight.10. The resin particle composition ...

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10-08-2017 дата публикации

RESIN PARTICLE COMPOSITION

Номер: US20170226326A1
Принадлежит: FUJI XEROX CO., LTD.

A resin particle composition includes resin particles, inorganic particles surface-treated with oil, and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40. 1. A resin particle composition , comprising:resin particles;inorganic particles surface-treated with oil; andsilica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.2. The resin particle composition according to claim 1 ,wherein an average circle-equivalent diameter of the silica particles is from 40 nm to 200 nm.3. The resin particle composition according to claim 1 ,wherein a particle dispersion degree of the silica particles is from 90% to 100%.4. The resin particle composition according to claim 1 ,wherein an average circularity degree of the silica particles is from 0.85 to 0.98.5. The resin particle composition according to claim 1 ,wherein the silica particles are sol-gel silica particles.6. The resin particle composition according to claim 1 ,wherein the silica particles are surface-treated with a siloxane compound having a viscosity of 1,000 cSt to 50,000 cSt at 25° C., and a surface coated amount of the siloxane compound is 0.01% by weight to 5% by weight.7. The resin particle composition according to claim 6 ,wherein the siloxane compound is silicone oil.8. The resin particle composition according to claim 1 ,wherein the inorganic particles are silica particles.9. The resin particle composition according to claim 1 ,wherein the oil is silicone oil.10. The resin particle composition according to claim 1 ,wherein a viscosity of the oil is from 1 cSt to 1,000 cSt at 25° C. This application is based on and claims priority under 35 USC 119 from Japanese Patent Application No. 2016-024138, filed Feb. 10, 2016.1. Technical FieldThe present invention relates to a resin particle composition.2. Related ArtA resin particle composition has been applied as various applications such ...

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10-08-2017 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER AND TONER CARTRIDGE

Номер: US20170227859A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developing toner containing: toner particles; and silica particles having a compaction aggregation degree of from 60% to 95% and a particle compaction ratio of from 0.20 to 0.40, an electrostatic charge image developer containing the electrostatic charge image developing toner, and a toner cartridge that accommodates the electrostatic charge image developing toner and is detachable from an image forming apparatus. 1. An electrostatic charge image developing toner comprising:toner particles; andsilica particles having a compaction aggregation degree of from 60% to 95% and a particle compaction ratio of from 0.20 to 0.40.2. The electrostatic charge image developing toner according to claim 1 , wherein the toner particles have a volume average particle diameter of from 3.0 μm to 8.0 μm.3. The electrostatic charge image developing toner according to claim 1 , wherein the silica particles have an average equivalent circle diameter of from 40 nm to 200 nm.4. The electrostatic charge image developing toner according to claim 1 , wherein the silica particles have a degree of particle dispersion of 90% or more and 100% or less.5. The electrostatic charge image developing toner according to claim 1 , wherein the silica particles are silica particles that are surface-treated with a siloxane compound having a viscosity of from 1 claim 1 ,000 cSt to 50 claim 1 ,000 cSt and have a surface attaching amount of the siloxane compound of from 0.01% by mass to 5% by mass.6. The electrostatic charge image developing toner according to claim 5 , wherein the siloxane compound is a silicone oil.7. The electrostatic charge image developing toner according to claim 1 , which comprises inorganic oxide particles having a volume resistivity of from 1.0×10Ωcm to 1.0×10Ωcm.8. The electrostatic charge image developing toner according to claim 7 , wherein the average equivalent circle diameter of the silica particles is larger than that of the inorganic oxide particles ...

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10-08-2017 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE

Номер: US20170227860A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developing toner includes toner particles containing a binder resin, and an external additive including silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40 and polishing agent particles. 1. An electrostatic charge image developing toner comprising:toner particles containing a binder resin; andan external additive including silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and polishing agent particles.2. The electrostatic charge image developing toner according to claim 1 ,wherein the polishing agent particles is at least one selected from the group consisting of a cerium oxide particle, an alumina particle, and a strontium titanate particle.3. The electrostatic charge image developing toner according to claim 1 ,wherein an average equivalent circle diameter of the polishing agent particles is 0.1 μm to 10 μm.4. The electrostatic charge image developing toner according to claim 1 ,wherein an external addition amount of the polishing agent particles is from 0.1% by weight to 3% by weight with respect to an entirety of the toner particles.5. The electrostatic charge image developing toner according to claim 1 ,wherein an average equivalent circle diameter of the silica particles is from 40 nm to 200 nm.6. The electrostatic charge image developing toner according to claim 1 ,wherein a particle dispersion degree of the silica particles is from 90% to 100%.7. The electrostatic charge image developing toner according to claim 1 ,wherein an average circularity of the silica particles is from 0.85 to 0.98.8. The electrostatic charge image developing toner according to claim 1 ,wherein the silica particles are sol-gel silica particles.9. The electrostatic charge image developing toner according to claim 1 ,wherein an average circularity of the toner particles is from 0.94 to 1.00.10. The ...

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10-08-2017 дата публикации

ELECTROSTATIC IMAGE DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER AND TONER CARTRIDGE

Номер: US20170227861A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic image developing toner contains: toner particles, first silica particles having an average equivalent circle diameter of 10 nm to 120 nm and second silica particles having a compressive agglomeration degree of 60% to 95%, a particle compression ratio of 0.20 to 0.40 and an average equivalent circle diameter being greater than the average equivalent circle diameter of the first silica particles. 1. An electrostatic image developing toner , comprising:toner particles,first silica particles having an average equivalent circle diameter of 10 nm to 120 nm andsecond silica particles having a compressive agglomeration degree of 60% to 95%, a particle compression ratio of 0.20 to 0.40 and an average equivalent circle diameter being greater than the average equivalent circle diameter of the first silica particles.2. The electrostatic image developing toner as claimed in claim 1 , wherein the first silica particles are silica particles surface-treated with oil.3. The electrostatic image developing toner as claimed in claim 2 , wherein the oil is a silicone oil.4. The electrostatic image developing toner as claimed in claim 1 , wherein the first silica particles are silica particles externally added to the toner particles in an amount of 0.5 mass % to 5 mass % with respect to the toner particles.5. The electrostatic image developing toner as claimed in claim 1 , wherein the average equivalent circle diameter of the second silica particles is from 40 nm to 200 nm.6. The electrostatic image developing toner as claimed in claim 1 , wherein the second silica particles have a particle dispersion degree of 90% to 100%.7. The electrostatic image developing toner as claimed in claim 1 , wherein the second silica particles are silica particles surface-treated with a siloxane compound having a viscosity of 1 claim 1 ,000 cSt to 50 claim 1 ,000 cSt and an amount of the siloxane compound attached to the surfaces of second silica particles is from 0.01 mass % to 5 mass %.8 ...

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10-08-2017 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE

Номер: US20170227863A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developing toner includes toner particles and an external additive that includes silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40 and fatty acid metal salt particles. 1. An electrostatic charge image developing toner comprising:toner particles; andan external additive that includes silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40 and fatty acid metal salt particles.2. The electrostatic charge image developing toner according to claim 1 ,wherein an average equivalent circle diameter of the silica particles is from 40 nm to 200 nm.3. The electrostatic charge image developing toner according to claim 1 ,wherein a particle dispersion degree of the silica particles is from 90% to 100%.4. The electrostatic charge image developing toner according to claim 1 ,wherein an average circularity of the silica particles is from 0.85 to 0.98.5. The electrostatic charge image developing toner according to claim 1 ,wherein the silica particles are sol-gel silica particles.6. The electrostatic charge image developing toner according to claim 1 ,wherein an average circularity of the toner particles is from 0.95 to 1.00.7. The electrostatic charge image developing toner according to claim 1 ,wherein the silica particles are silica particles that are subjected to a surface treatment with a siloxane compound having a viscosity of 1,000 cSt to 50,000 cSt, and a surface attachment amount of the siloxane compound is from 0.01% by weight to 5% by weight.8. The electrostatic charge image developing toner according to claim 7 ,wherein the siloxane compound is a silicone oil.9. The electrostatic charge image developing toner according to claim 1 ,wherein the fatty acid metal salt particles contain zinc stearate.10. The electrostatic charge image developing toner according to claim 1 ,wherein an average particle diameter of the ...

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10-08-2017 дата публикации

IMAGE FORMING APPARATUS, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER

Номер: US20170227865A1
Принадлежит: FUJI XEROX CO., LTD.

An image forming apparatus includes a developing unit that contains an electrostatic charge image developer and develops an electrostatic charge image formed on the surface of an image holding member as a toner image by using the developer, wherein the developer contains a carrier and an electrostatic charge image developing toner that includes a toner particle and an external additive, the toner particles have an average circularity of from 0.98 to 1.00 and a number-particle diameter distribution index (lower GSD) on a small diameter side of 1.22 or more and contain at least a vinyl resin, and the external additive contains silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40. 1. An image forming apparatus comprising:an image holding member;a charging unit that charges a surface of the image holding member;an electrostatic charge image forming unit that forms an electrostatic charge image on a charged surface of the image holding member;a developing unit that contains an electrostatic charge image developer and develops the electrostatic charge image formed on the surface of the image holding member as a toner image by using the electrostatic charge image developer;a transfer unit that transfers the toner image formed on the surface of the image holding member to a surface of a recording medium;a cleaning unit that includes a cleaning blade for cleaning the surface of the image holding member; anda fixing unit that fixes the toner image transferred to the surface of the recording medium,wherein the electrostatic charge image developer contains a carrier andan electrostatic charge image developing toner that includes a toner particle and an external additive;the toner particles have an average circularity of from 0.98 to 1.00 and a number-particle diameter distribution index (lower GSD) on a small diameter side of 1.22 or more and contain at least a vinyl resin; andthe external additive that contains ...

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10-08-2017 дата публикации

MAGNETIC ONE-COMPONENT DEVELOPER, DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

Номер: US20170227867A1
Принадлежит: FUJI XEROX CO., LTD.

A magnetic one-component developer includes magnetic toner particles containing a binder resin and a magnetic powder, and silica particles having a compression and aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less. 1. A magnetic one-component developer comprising:magnetic toner particles containing a binder resin and a magnetic powder; andsilica particles having a compression and aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less.2. The magnetic one-component developer according to claim 1 , wherein the average equivalent circle diameter of the silica particles is 40 nm or more and 200 nm or less.3. The magnetic one-component developer according to claim 1 , wherein the particle dispersion degree of the silica particles is 90% or more and 100% or less.4. The magnetic one-component developer according to claim 1 , wherein the silica particles are surface-treated with a siloxane compound having a viscosity of 1 claim 1 ,000 cSt or more and 50 claim 1 ,000 cSt or less claim 1 , and the surface adhesion amount of the siloxane compound is 0.01% by mass or more and 5% by mass or less.5. The magnetic one-component developer according to claim 4 , wherein the siloxane compound is silicone oil.6. The magnetic one-component developer according to claim 1 , wherein the binder resin contains a polyester resin.7. The magnetic one-component developer according to claim 6 , wherein the glass transition temperature (Tg) of the polyester resin is 50° C. or more and 80° C. or less.8. The magnetic one-component developer according to claim 6 , wherein the weight-average molecular weight (Mw) of the polyester resin is 5 claim 6 ,000 or more and 1 claim 6 ,000 claim 6 ,000 or less.9. The magnetic one-component developer according to claim 6 , wherein the molecular weight distribution Mw/Mn of the polyester resin is 1.5 or more and 100 or less.10. The ...

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10-08-2017 дата публикации

TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT, ELECTROSTATIC IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

Номер: US20170227869A1
Принадлежит: FUJI XEROX CO., LTD.

A toner for electrostatic image development includes toner particles; and an external additive containing silica particles and polytetrafluorethylene particles, the silica particles having a compression-aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less. 1. A toner for electrostatic image development comprising:toner particles; andan external additive containing silica particles and polytetrafluorethylene particles, the silica particles having a compression-aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less.2. The toner for electrostatic image development according to claim 1 , wherein the average equivalent circle diameter of the silica particles is 40 nm or more and 200 nm or less.3. The toner for electrostatic image development according to claim 1 , wherein the particle dispersion degree of the silica particles is 90% or more and 100% or less.4. The toner for electrostatic image development according to claim 1 , wherein the content ratio (silica particles/polytetrafluoroethylene particles) of the silica particles to the polytetrafluoroethylene particles is 2.0 or more and 30.0 or less on a mass basis.5. The toner for electrostatic image development according to claim 1 , wherein the amount (content) of the silica particles externally added is 0.1% by mass or more and 6.0% by mass or less relative to the toner particles.6. The toner for electrostatic image development according to claim 1 , wherein the toner particles contain a polyester resin.7. The toner for electrostatic image development according to claim 6 , wherein the weight-average molecular weight (Mw) of the polyester resin is 5 claim 6 ,000 or more and 1 claim 6 ,000 claim 6 ,000 or less.8. The toner for electrostatic image development according to claim 6 , wherein the number-average molecular weight (Mn) of the polyester resin is 2 claim 6 ,000 or more and 100 claim 6 , ...

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10-08-2017 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE

Номер: US20170227870A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge lavage developing toner includes kneaded and pulverized toner particles that contain a binder resin and a release agent, the release agent being partially exposed, and an external additive that contains silica particles having a compression aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40. 1. An electrostatic charge image developing toner comprising;kneaded and pulverized toner particles that contain a binder resin and a release agent, the release agent being partially exposed; andan external additive that contains silica particles having a compression aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.2. The electrostatic charge image developing toner according to claim 1 ,wherein an average equivalent circle diameter of the silica particles is from 40 nm to 200 nm.3. The electrostatic charge image developing toner according to claim 1 ,wherein a particle dispersion degree of the silica particles is from 90% to 100%.4. The electrostatic charge image developing toner according to claim 1 ,wherein an average circularity of the silica particles is from 0.85 to 0.98,5. The electrostatic charge image developing toner according to claim 1 ,wherein the silica particles are sol-gel silica particles.6. The electrostatic charge image developing toner according to claim 1 ,wherein the toner particles are obtained by a kneading and pulverizing method.7. The electrostatic charge image developing toner according to claim 1 ,wherein the binder resin is polyester resin.8. The electrostatic charge image developing toner according to claim 1 ,wherein a ratio (A/B) between an amount (A) of the silica particles added to 100 parts of the toner particles, and an exposure rate (B) of the release agent in the toner particles is from 0.05 to 0.26.9. The electrostatic charge image developing toner according to claim 1 ,wherein the silica particles are silica particles that are surface ...

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10-08-2017 дата публикации

IMAGE FORMING APPARATUS, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER

Номер: US20170227871A1
Принадлежит: FUJI XEROX CO., LTD.

An image forming apparatus includes a developing unit that contains an electrostatic charge image developer and develops an electrostatic charge image formed on a surface of the image holding member with the developer, wherein the developer contains a carrier and an electrostatic charge image developing toner that includes a toner particle which contains a urea-modified polyester resin, and includes, in a vicinity of a surface thereof, vinyl resin particles; and an external additive which contains silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40. 1. An image forming apparatus comprising:an image holding member;a charging unit that charges a surface of the image holding member;an electrostatic charge image forming unit that forms an electrostatic charge image on a charged surface of the image holding member;a developing unit that contains an electrostatic charge image developer and develops the electrostatic charge image formed on the surface of the image holding member with the electrostatic charge image developer as a toner image;a transfer unit that transfers the toner image formed on the surface of the image holding member onto a surface of a recording medium;a cleaning unit that includes a cleaning blade that cleans the surface of the image holding member; anda fixing unit that fixes the toner image transferred onto the surface of the recording medium,wherein the electrostatic charge image developer contains a carrier andan electrostatic charge image developing toner that includes a toner particle which contains a urea-modified polyester resin, and includes, in a vicinity of a surface thereof, vinyl resin particles; and an external additive which contains silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.2. The image forming apparatus according to claim 1 ,wherein an average equivalent circle diameter of the silica ...

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10-08-2017 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE

Номер: US20170227874A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developing toner includes toner particles containing a binder resin, and an external additive including silica particles having a compression aggregation degree is from 60% to 95% and a particle compression ratio is from 0.20 to 0.40, and resin particles containing a polymer obtained by polymerizing a (meth)acrylic acid ester monomer. 1. An electrostatic charge image developing toner comprising:toner particles containing a binder resin; andan external additive including silica particles having a compression aggregation degree is from 60% to 95% and a particle compression ratio is from 0.20 to 0.40, and resin particles containing a polymer obtained by polymerizing a (meth)acrylic acid ester monomer.2. The electrostatic charge image developing toner according to claim 1 ,wherein an average equivalent circle diameter of the resin particles is from 200 nm to 2,000 nm.3. The electrostatic charge image developing toner according to claim 1 ,wherein a particle diameter ratio (D(si)/D(r)) of an average equivalent circle diameter (D(si)) of the silica particles and an average equivalent circle diameter (D(r)) of the resin particles is from 0.048 to 0.650.4. The electrostatic charge image developing toner according to claim 1 ,wherein the resin particle includes methyl (meth)acrylate and cyclohexyl (meth)acrylate.5. The electrostatic charge image developing toner according to claim 1 ,wherein the average equivalent circle diameter of the silica particles is from 40 nm to 200 nm.6. The electrostatic charge image developing toner according to claim 1 ,wherein a particle dispersion degree of the silica particles is from 90% to 100%.7. The electrostatic charge image developing toner according to claim 1 ,wherein an average circularity of the silica particles is from 0.85 to 0.98.8. The electrostatic charge image developing toner according to claim 1 ,wherein the silica particle is a sol-gel silica particle.9. The electrostatic charge image developing ...

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10-08-2017 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPER, DEVELOPER CARTRIDGE, AND PROCESS CARTRIDGE

Номер: US20170227875A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developer includes an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and a carrier for developing an electrostatic charge image that has a core including a magnetic member in a binder resin for a core and a coating layer which covers a surface of the core and which includes a resin for a coating layer and has a surface roughness Ra of from 0.25 μm to 0.4 μm. 1. An electrostatic charge image developer comprising:an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40; anda carrier for developing an electrostatic charge image that has a core including a magnetic member in a binder resin for a core, and a coating layer which covers a surface of the core and which includes a resin for a coating layer and has a surface roughness Ra of from 0.25 μm to 0.4 μm.2. The electrostatic charge image developer according to claim 1 ,wherein an average equivalent circle diameter of the silica particles is from 40 nm to 200 nm.3. The electrostatic charge image developer according to claim 1 ,wherein a particle dispersion degree of the silica particles is from 90% to 100%.4. The electrostatic charge image developer according to claim 1 ,wherein an average circularity of the silica particles is from 0.85 to 0.98.5. The electrostatic charge image developer according to claim 1 ,wherein the silica particles are sol gel silica particles.6. The electrostatic charge image developer according to claim 1 ,wherein the silica particles are surface-treated with a siloxane compound whose viscosity is from 1,000 ...

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10-08-2017 дата публикации

ELECTROSTATIC CHARGE IMAGE DEVELOPER, DEVELOPER CARTRIDGE, AND PROCESS CARTRIDGE

Номер: US20170227876A1
Принадлежит: FUJI XEROX CO., LTD.

An electrostatic charge image developer includes an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and a carrier for developing an electrostatic charge image that includes a core particle and a resin coated layer which covers a surface of the core particle and that has a surface roughness Ra (based on JIS-B0601) of 0.5 μm or less and a circularity of 0.975 or more. 1. An electrostatic charge image developer comprising:an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40; anda carrier for developing an electrostatic charge image that includes a core particle and a resin coated layer which covers a surface of the core particle and that has a surface roughness Ra (based on JIS-B0601) of 0.5 μm or less and a circularity of 0.975 or more.2. The electrostatic charge image developer according to claim 1 ,wherein an average equivalent circle diameter of the silica particles is from 40 nm to 200 nm.3. The electrostatic charge image developer according to claim 1 ,wherein a particle dispersion degree of the silica particles is from 90% to 100%.4. The electrostatic charge image developer according to claim 1 ,wherein an average circularity of the silica particles is from 0.85 to 0.98.5. The electrostatic charge image developer according to claim 1 ,wherein the silica particles are sol-gel silica particles.6. The electrostatic charge image developer according to claim 1 ,wherein the core particle has a mean width with respect to ruggedness Sm of 2.0 μm or less and a surface roughness Ra (based on JIS-B0601) of 0.1 μm ...

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25-07-2019 дата публикации

TITANIUM OXIDE FILM AND STRUCTURE

Номер: US20190224648A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide film by continuous titanium oxide, includes a metallic compound that has a metal atom and a hydrocarbon group and is bonded to a surface of the film, in which absorption occurs at wavelengths of 450 nm and 750 nm. 1. A titanium oxide film by continuous titanium oxide , comprising:a metallic compound that has a metal atom and a hydrocarbon group and is bonded to a surface of the titanium oxide film,wherein absorption occurs at wavelengths of 450 nm and 750 nm.2. The titanium oxide film according to claim 1 ,wherein a surface roughness is within a range of 0 μm to 0.1 μm.3. The titanium oxide film according to claim 1 ,wherein a water contact angle of the surface of the titanium oxide film is within a range of 90 degrees to 180 degrees.4. The titanium oxide film according to claim 1 ,wherein absorption occurs within an entire range of wavelengths of 400 nm to 800 nm.5. The titanium oxide film according to claim 1 ,wherein the metallic compound having the metal atom and the hydrocarbon group is bonded to the surface via an oxygen atom.6. The titanium oxide film according to claim 5 ,wherein the metal atom is a silicon atom.7. The titanium oxide film according to claim 1 ,wherein the hydrocarbon group is a saturated or an unsaturated aliphatic hydrocarbon group or aromatic hydrocarbon group having 1 to 20 carbon atoms.8. The titanium oxide film according to claim 1 ,wherein the hydrocarbon group is a saturated aliphatic hydrocarbon group having 4 to 10 carbon atoms.9. The titanium oxide film according to claim 1 ,{'sup': 2', '2, 'wherein a mass per unit area is within a range of 0.04 g/mto 20 g/m.'}10. The titanium oxide film according to claim 1 ,{'sup': −1', '−1, 'wherein an absorption peak is in a wavenumber range of 2700 cmto 3000 cm.'}11. A titanium oxide film comprising:{'sup': −1', '−1, 'a continuous titanium oxide having an absorption peak in a wavenumber range of 2700 cmto 3000 cm, and'}absorption occurs at wavelengths of 450 nm and 750 nm.12. ...

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24-08-2017 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20170242351A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoreceptor includes a conductive substrate, an organic photosensitive layer on the conductive substrate, and an inorganic protective layer on the organic photosensitive layer. A layer that constitutes a surface of the organic photosensitive layer contains a charge transport material, a binder resin, silica particles, and a silicone compound. 1. An electrophotographic photoreceptor comprising:a conductive substrate;an organic photosensitive layer on the conductive substrate; andan inorganic protective layer on the organic photosensitive layer,wherein a layer that constitutes a surface of the organic photosensitive layer contains a charge transport material, a binder resin, silica particles, and a silicone compound, andwherein the silica particles are contained in an amount in the range of about 30% by weight to about 70% by weight relative to the entirety of the layer that constitutes the surface of the organic photosensitive layer.2. The electrophotographic photoreceptor according to claim 1 , wherein the organic photosensitive layer includes:a charge generation layer; anda charge transport layer that contains the charge transport material, the binder resin, the silica particles, and the silicone compound,wherein the charge transport layer is on the charge generation layer.3. The electrophotographic photoreceptor according to claim 1 , wherein an amount of the silicone compound relative to a solid content of the layer that constitutes the surface of the organic photosensitive layer is in the range of about 0.0033% by weight to about 0.033% by weight.4. The electrophotographic photoreceptor according to claim 1 , wherein the silicone compound is a silicone oil.5. The electrophotographic photoreceptor according to claim 1 , wherein a surface of the organic photosensitive layer on which the inorganic protective layer is formed has a surface roughness Ra of about 2.1 nm or less.6. The electrophotographic photoreceptor according to claim 1 , ...

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07-09-2017 дата публикации

SILICA PARTICLE AND METHOD FOR PRODUCING THE SAME

Номер: US20170252724A1
Принадлежит: FUJI XEROX CO., LTD.

A silica particle includes a silica particle body and a titania coating layer formed on a surface of the silica particle body through a reaction of a titanium compound having a structure in which a hydrocarbon group bonds to a titanium atom through an oxygen atom. The silica particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum. 1. A silica particle comprising:a silica particle body; anda titania coating layer formed on a surface of the silica particle body through a reaction of a titanium compound having a structure in which a hydrocarbon group bonds to a titanium atom through an oxygen atom,wherein the silica particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum.2. The silica particle according to claim 1 ,{'sup': 1', '1, 'sub': '4', 'wherein the titanium compound is a compound represented by general formula MY,'}{'sup': 1', '1', '1', '1, 'where Mrepresents a titanium atom; Yrepresents a halogen atom, a hydroxy group, or an alkoxy group; and four Ymay represent the same group or different groups, where at least one of four Yrepresents an alkoxy group.'}3. The silica particle according to claim 1 , wherein a content of the titania coating layer is about 10 mass % or more and about 200 mass % or less relative to the silica particle body in terms of titania.4. The silica particle according to claim 1 , wherein the silica particle body covered by the titania coating layer is surface-treated with a silane compound having a hydrocarbon group.5. The silica particle according to claim 4 ,{'sup': 1', '2, 'sub': n', 'm, 'wherein the silane compound is a compound represented by general formula RSiR,'}{'sup': 1', '2', '1', '2, 'where Rrepresents a saturated or unsaturated aliphatic hydrocarbon group having 1 to 20 carbon atoms or an aromatic hydrocarbon group, Rrepresents a halogen atom or an alkoxy group, n ...

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07-09-2017 дата публикации

TITANIUM OXIDE PARTICLE AND METHOD FOR PRODUCING THE SAME

Номер: US20170252736A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cmor more and about 3000 cmor less in an infrared absorption spectrum. 1. A titanium oxide particle surface-treated with a silane compound having a hydrocarbon group ,wherein the titanium oxide particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and{'sup': −1', '−1, 'the titanium oxide particle has an absorption peak at a wave number of about 2700 cmor more and about 3000 cmor less in an infrared absorption spectrum.'}2. The titanium oxide particle according to claim 1 ,{'sup': 1', '2, 'sub': n', 'm, 'wherein the silane compound is a compound represented by general formula RSiR,'}{'sup': 1', '2', '1', '2, 'where Rrepresents a saturated or unsaturated aliphatic hydrocarbon group having 1 to 20 carbon atoms or an aromatic hydrocarbon group, Rrepresents a halogen atom or an alkoxy group, n represents an integer of 1 to 3, and m represents an integer of 1 to 3, where n+m=4; when n represents an integer of 2 or 3, a plurality of Rmay represent the same group or different groups; and when m represents an integer of 2 or 3, a plurality of Rmay represent the same group or different groups.'}3. The titanium oxide particle according to claim 2 , wherein Rin the general formula RSiRrepresents a saturated hydrocarbon group.4. The titanium oxide particle according to claim 3 , wherein Rin the general formula RSiRrepresents a linear saturated hydrocarbon group.5. The titanium oxide particle according to claim 2 , wherein Rin the general formula RSiRrepresents an aromatic hydrocarbon group having 6 to 27 carbon atoms.6. The titanium oxide particle according to claim 5 , wherein the aromatic hydrocarbon group is at least one ...

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07-09-2017 дата публикации

METATITANIC ACID PARTICLE AND METHOD FOR PRODUCING THE SAME

Номер: US20170253621A1
Принадлежит: FUJI XEROX CO., LTD.

A metatitanic acid particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cmor more and about 3000 cmor less in an infrared absorption spectrum. 1. A metatitanic acid particle surface-treated with a silane compound having a hydrocarbon group ,wherein the metatitanic acid particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and{'sup': −1', '−1, 'the metatitanic acid particle has an absorption peak at a wave number of about 2700 cmor more and about 3000 cmor less in an infrared absorption spectrum.'}2. The metatitanic acid particle according to claim 1 ,{'sup': 1', '2, 'sub': n', 'm, 'wherein the silane compound is a compound represented by general formula RSiR,'}{'sup': 1', '2', '1', '2, 'where Rrepresents a saturated or unsaturated aliphatic hydrocarbon group having 1 to 20 carbon atoms or an aromatic hydrocarbon group, Rrepresents a halogen atom or an alkoxy group, n represents an integer of 1 to 3, and m represents an integer of 1 to 3, where n+m=4; when n represents an integer of 2 or 3, a plurality of Rmay represent the same group or different groups; and when m represents an integer of 2 or 3, a plurality of Rmay represent the same group or different groups.'}3. The metatitanic acid particle according to claim 2 , wherein Rin the general formula RSiRrepresents a saturated hydrocarbon group.4. The metatitanic acid particle according to claim 3 , wherein Rin the general formula RSiRrepresents a linear saturated hydrocarbon group.5. The metatitanic acid particle according to claim 2 , wherein Rin the general formula RSiRrepresents an aromatic hydrocarbon group having 6 to 27 carbon atoms.6. The metatitanic acid particle according to claim 5 , wherein the aromatic hydrocarbon group ...

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07-09-2017 дата публикации

Electrostatic charge image developing carrier, method of preparing electrostatic charge image developing carrier, and electrostatic charge image developer

Номер: US20170255120A1
Принадлежит: Fuji Xerox Co Ltd

An electrostatic charge image developing carrier includes magnetic particles and a resin coating layer which covers the magnetic particles, wherein a sulfate ion concentration of the resin coating layer is 0.05% by weight or less with respect to a total weight of the resin coating layer, and when a total value of a molar amount of sulfate ions contained and a molar amount of sulfo groups contained per 1 g of the resin coating layer is A mol and a molar amount of sodium ions contained per 1 g of the resin coating layer is B mol, a relationship of 0.1<B/A<1.2 is satisfied.

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22-08-2019 дата публикации

Structure

Номер: US20190255515A1
Принадлежит: Fuji Xerox Co Ltd

A structure includes a base material; a surface layer that contains a binder resin and a titanium compound particle having absorption at 450 nm and 750 nm in a visible absorption spectrum and a BET specific surface area within a range of 100 m 2 /g to 1200 m 2 /g.

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21-09-2017 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20170269486A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoreceptor includes an electroconductive substrate, an organic photosensitive layer on the electroconductive substrate and an inorganic protective layer on the organic photosensitive layer, wherein a layer that forms a surface of the organic photosensitive layer contains a charge transporting material, a binder resin, and a silica particle; the inorganic protective layer contains a group 13 element, an oxygen atom, and a hydrogen atom; a sum of element constitution ratios of the group 13 element, the oxygen atom, and the hydrogen atom to all elements constituting the inorganic protective layer is equal to or more than 90 atomic %; and an element composition ratio (oxygen atom/group 13 element) of the oxygen atom and the group 13 element is 1.0 or more and less than 1.5.

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28-09-2017 дата публикации

CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER, AND METHOD OF PREPARING CARRIER FOR TWO-COMPONENT DEVELOPER

Номер: US20170277054A1
Принадлежит: FUJI XEROX CO., LTD.

A carrier for two-component developer includes a magnetic particle and a resin coating layer that covers the magnetic particle and contains a resin, wherein a weight average molecular weight of the resin contained in the resin coating layer is from 1,800,000 to 5,000,000. 1. A carrier for two-component developer comprising:a magnetic particle; anda resin coating layer that covers the magnetic particle and contains a resin,wherein a weight average molecular weight of the resin is from 1,800,000 to 5,000,000.2. The carrier for two-component developer according to claim 1 , wherein the resin contained in the resin coating layer is selected from the group consisting of polyethylene claim 1 , polypropylene claim 1 , polystyrene claim 1 , polyvinyl ether claim 1 , polyvinyl ketone claim 1 , styrene-acrylic acid copolymer claim 1 , acrylic resin claim 1 , silicone resin claim 1 , fluorine resin claim 1 , polyester claim 1 , polycarbonate claim 1 , phenol resin claim 1 , and epoxy resin.3. The carrier for two-component developer according to claim 1 , wherein the resin contained in the resin coating layer is a homopolymer or a copolymer of cycloalkyl methacrylate.4. The carrier for two-component developer according to claim 1 , wherein a glass transition temperature (Tg) of the resin contained in the resin coating layer is from 50° C. to 150° C.5. The carrier for two-component developer according to claim 1 , wherein the resin coating layer contains resin particles.6. The carrier for two-component developer according to claim 5 , wherein a volume average particle diameter of the resin particles is in a range of 50 nm to 500 nm.7. The carrier for two-component developer according to claim 5 , wherein a weight average molecular weight of the resin particles is from 1 claim 5 ,800 claim 5 ,000 to 5 claim 5 ,000 claim 5 ,000.8. The carrier for two-component developer according to claim 1 , wherein the resin coating layer contains resin particles selected from thermosetting ...

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04-10-2018 дата публикации

TITANIUM OXIDE PARTICLE, METHOD FOR PRODUCING TITANIUM OXIDE PARTICLE, AND COMPOSITION FOR FORMING PHOTOCATALYST

Номер: US20180280933A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide particle includes a metal compound having a metal atom and a carbon atom and being bonded to a surface through an oxygen atom. The titanium oxide particle has absorption at a wavelength of 450 nm and a wavelength of 750 nm in a visible absorption spectrum and satisfies 0.03≤A≤0.3 where A represents a value of {(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond)} in an XPS spectrum of a carbon 1s orbital. 2. The titanium oxide particle according to claim 1 , wherein the metal compound has the carbon atom directly bonded to the metal atom.3. The titanium oxide particle according to claim 1 , wherein the titanium oxide particle has absorption throughout an entire wavelength range of from 400 nm to 800 nm claim 1 , in the visible absorption spectrum.4. The titanium oxide particle according to claim 1 , wherein the metal atom is a silicon atom.5. The titanium oxide particle according to claim 1 , wherein the titanium oxide particle has a volume-average particle diameter in a range of from 10 nm to 1 μm.6. The titanium oxide particle according to claim 1 , wherein the value of A is in a range of from 0.04 to 0.25.7. The titanium oxide particle according to claim 1 , wherein the value of A is in a range of from 0.05 to 0.20.8. The titanium oxide particle according to claim 1 , wherein the carbon atom is contained in a saturated or unsaturated aliphatic hydrocarbon group having 1 or more and 20 or less carbon atoms claim 1 , or in an aromatic hydrocarbon group.9. The titanium oxide particle according to claim 1 , wherein the carbon atom is contained in a saturated aliphatic hydrocarbon group.10. A method for producing the titanium oxide particle according to claim 1 , the method comprising:surface-treating a raw titanium oxide particle with a metal compound having a metal atom and a hydrocarbon group; andperforming a heat treatment during or after the surface-treating of the raw titanium oxide ...

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04-10-2018 дата публикации

METATITANIC ACID PARTICLES, METHOD FOR PRODUCING METATITANIC ACID PARTICLES, AND COMPOSITION FOR FORMING PHOTOCATALYST

Номер: US20180280953A1
Принадлежит: FUJI XEROX CO., LTD.

Metatitanic acid particles have absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, have a surface to which a metal compound having a metal atom and a carbon atom is bonded through an oxygen atom, and satisfy the following inequality: 0.03≤A≤0.3, wherein A represents a value of {(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond} in a C 1s XPS spectrum. 1. Metatitanic acid particles having absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum , having a surface to which a metal compound having a metal atom and a carbon atom is bonded through an oxygen atom , and satisfying the following inequality:{'br': None, 'i': 'A≤', '0.03≤0.3'}wherein A represents a value of {(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond} in a C 1s XPS spectrum.2. The metatitanic acid particles according to claim 1 , wherein the metal compound has the carbon atom directly bonded to the metal atom.3. The metatitanic acid particles according to claim 1 , wherein the metatitanic acid particles have absorption over an entire wavelength range of 400 nm to 800 nm in a visible absorption spectrum.4. The metatitanic acid particles according to claim 1 , wherein the metal atom is a silicon atom.5. The metatitanic acid particles according to claim 1 , wherein the metatitanic acid particles have a volume-average particle size in a range of 10 nm to 1 μm.6. The metatitanic acid particles according to claim 1 , wherein the value of A is in a range of 0.04 to 0.25.7. The metatitanic acid particles according to claim 1 , wherein the value of A is in a range of 0.05 to 0.20.8. The metatitanic acid particles according to claim 1 , wherein the carbon atom is contained in a saturated or unsaturated aliphatic hydrocarbon group of 1 to 20 carbon atoms or an aromatic hydrocarbon group.9. The metatitanic acid particles according to claim 1 ...

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17-09-2020 дата публикации

MEDIUM FOR WATER CULTURE AND WATER CULTURE APPARATUS

Номер: US20200288652A1
Принадлежит: FUJI XEROX CO., LTD.

A medium for water culture has a porous substance and photocatalyst particles formed of titanium-based compound particles that are supported on the porous substance, have absorption at a wavelength of 500 nm in a visible absorption spectrum, and have an absorption peak at 2,700 cm−1 to 3,000 cm−1 in an infrared absorption spectrum, in which a metal compound having a metal atom and a hydrocarbon group is bonded to the surface of each of the titanium-based compound particles through an oxygen atom.

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17-09-2020 дата публикации

WATER PURIFICATION PARTICLES, WATER CULTURE APPARATUS, AND WATER PURIFICATION APPARATUS

Номер: US20200288655A1
Принадлежит: FUJI XEROX CO., LTD.

Water purification particles have porous particles and photocatalyst particles formed of titanium-based compound particles that are supported on the porous particles, have absorption at a wavelength of 500 nm in a visible absorption spectrum, and have an absorption peak at 2,700 cmto 3,000 cmin an infrared absorption spectrum, and a metal compound having a metal atom and a hydrocarbon group is bonded to the surface of each of the titanium-based compound particles through an oxygen atom.

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17-09-2020 дата публикации

WATER PURIFICATION MEMBER, HYDROPONIC SYSTEM, AND WATER PURIFICATION APPARATUS

Номер: US20200290906A1
Принадлежит: FUJI XEROX CO., LTD.

A water purification member includes a porous body; and photocatalyst particles loaded on the porous body and including titanium-based compound particles that have, via an oxygen atom, a surface-bonded metallic compound having a metal atom and a hydrocarbon group, that exhibit absorption at a wavelength of 500 nm in a visible absorption spectrum, and that have an absorption peak in a range of 2700 cmto 3000 cmin an infrared absorption spectrum.

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03-10-2019 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR FOR POSITIVE CHARGING, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20190302632A1
Принадлежит: FUJI XEROX CO., LTD.

Provided is an electrophotographic photoreceptor including: a conductive substrate; a single-layer type photosensitive layer that is provided on the conductive substrate; an inorganic protective layer that is provided on the single-layer type photosensitive layer; wherein layers that are interposed between the conductive substrate and the inorganic protective layer have a total thickness of 10 μm to 25 μm. 1. An electrophotographic photoreceptor comprising:a conductive substrate;a single-layer type photosensitive layer that is provided on the conductive substrate;an inorganic protective layer that is provided on the single-layer type photosensitive layer; whereinlayers that are interposed between the conductive substrate and the inorganic protective layer have a total thickness of 10 μm to 25 μm.2. The electrophotographic photoreceptor according to claim 1 , whereinthe single-layer type photosensitive layer includes a binder resin, a charge generation material, a hole transport material, an electron transport material, and silica particles.3. The electrophotographic photoreceptor according to claim 2 , wherein a content of the silica particles in the single-layer type photosensitive layer is 40% by mass to 70% by mass.4. The electrophotographic photoreceptor according to claim 1 , wherein a ratio (A/B) of a thickness A of the inorganic protective layer to the total thickness B of the layers that are interposed between the conductive substrate and the inorganic protective layer is 0.12 or more.5. The electrophotographic photoreceptor according to claim 1 , wherein the inorganic protective layer is composed of a metal oxide layer including a Group 13 element and oxygen.6. The electrophotographic photoreceptor according to claim 5 , wherein the metal oxide layer comprises gallium oxide.7. A process cartridge that is detachable from an image forming apparatus and that comprises:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the electrophotographic photoreceptor ...

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01-11-2018 дата публикации

TITANIUM OXIDE PARTICLE, COMPOSITION FOR FORMING PHOTOCATALYST, AND PHOTOCATALYST

Номер: US20180311643A1
Принадлежит: FUJI XEROX CO., LTD.

A titanium oxide particle includes a metal compound having a titanium metal atom and a carbon atom, and being bonded to a surface of the particle via an oxygen atom, wherein an element ratio (C/Ti) between carbon and titanium on the surface is in a range of 0.2 to 1.1 and the titanium oxide particle has an absorption at a wavelength of each of 450 nm and 750 nm in a visible absorption spectrum. 1. A titanium oxide particle comprising:a metal compound having a titanium metal atom and a carbon atom, and being bonded to a surface of the particle via an oxygen atom,wherein an element ratio (C/Ti) between carbon and titanium on the surface is in a range of 0.2 to 1.1; andthe titanium oxide particle has an absorption at a wavelength of each of 450 nm and 750 nm in a visible absorption spectrum.2. The titanium oxide particle according to claim 1 ,wherein the titanium oxide particle has an absorption in a whole range of wavelengths of from 400 nm to 800 nm in the visible absorption spectrum.3. The titanium oxide particle according to claim 1 ,wherein an element ratio (O/Ti) between oxygen and titanium on the surface is in a range of 2.05 to 2.50.4. The titanium claim 1 , oxide particle according to claim 1 ,wherein the carbon atom is included in a saturated aliphatic hydrocarbon group having 1 to 20 carbon atoms, an unsaturated aliphatic hydrocarbon group having 2 to 20 carbon atoms, or an aromatic hydrocarbon group having 6 to 20 carbon atoms.5. The titanium oxide particle according to claim 1 ,wherein the carbon, atom is included in a saturated aliphatic hydrocarbon group having 1 to 20 carbon atoms.6. The titanium oxide particle according to claim 1 ,wherein the carbon atom is included in a saturated aliphatic hydrocarbon group having 4 to 10 carbon atoms.7. The titanium oxide particle according to claim 1 ,wherein a volume average particle diameter of the titanium oxide particles is in a range of 10 nm to 1 μm.8. The titanium oxide particle according to claim 1 ,wherein ...

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01-11-2018 дата публикации

Metatitanic acid particle, composition for forming photocatalyst, and photocatalyst

Номер: US20180311656A1
Принадлежит: Fuji Xerox Co Ltd

A metatitanic acid particle includes a metal compound having a titanium metal atom and a carbon atom, and being bonded to a surface of the particle via an oxygen atom, wherein an element ratio (C/Ti) between carbon and titanium on the surface is in a range of 0.2 to 1.1 and the metatitanic acid particle has an absorption at a wavelength of each of 450 nm and 750 nm in a visible absorption spectrum.

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14-11-2019 дата публикации

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Номер: US20190346781A1
Принадлежит: FUJI XEROX CO., LTD.

An electrophotographic photoreceptor of an exemplary embodiment includes a conductive substrate, an undercoat layer on the conductive substrate, a charge generating layer on the undercoat layer, a charge transporting layer on the charge generating layer, and an inorganic protective layer on the charge transporting layer, in which formula: 0 Подробнее

10-04-1982 дата публикации

Production of steel plate

Номер: JPS5760021A
Принадлежит: Nippon Steel Corp

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11-07-2013 дата публикации

Silica composite particles and method of preparing the same

Номер: JP2013136499A
Принадлежит: Fuji Xerox Co Ltd

【課題】温度湿度環境が変動しても、付着対象物に対する分散性及び付着対象物の流動維持性の低下を抑制する異形状のシリカ複合粒子を提供すること。 【解決手段】酸化ケイ素と、含有率が0.001質量%以上10質量%以下のチタンと、を含んで構成され、シリカ複合粒子の平均粒径が30nm以上500nm以下、粒度分布指標が1.1以上1.5以下、かつ、平均円形度が0.5以上0.85以下であるシリカ複合粒子である。 【選択図】なし

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12-02-1982 дата публикации

Production of tough and hard steel

Номер: JPS5726122A
Принадлежит: Nippon Steel Corp

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06-02-2020 дата публикации

Silica-titania composite and structure

Номер: JP2020019697A
Принадлежит: Fuji Xerox Co Ltd

【課題】耐汚れ性と共に、親水性成分の吸着性に優れたシリカチタニア複合体の提供。【解決手段】水蒸気吸着等温線のBET解析によるBET比表面積が250m2/g以上500m2/g以下であり、水蒸気吸着等温線において、P/P0=0.1のときの吸着量が65cm3/g以上120cm3/g以下、P/P0=0.5のときの吸着量が150cm3/g以上300cm3/g以下、P/P0=0.9のときの吸着量が350cm3/g以上500cm3/g以下であり、水との接触角が100度以上であるシリカチタニア複合体。【選択図】なし

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03-09-1993 дата публикации

GOLF CLUBS GAME.

Номер: FR2660202B1
Принадлежит: Sumitomo Rubber Industries Ltd

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25-03-1994 дата публикации

Golf club head.

Номер: FR2695835A1
Принадлежит: Sumitomo Rubber Industries Ltd

Dans une tête métallique (2) pour club de golf, comportant une chambre creuse intérieure (1), une plaquette (3) ayant des caractéristiques anti-vibration ou une matière de revêtement ayant des caractéristiques anti-vibration est appliquée à une partie de surface intérieure d'une couronne (4) ou à une autre partie similaire de faible épaisseur de la tête. Le facteur de perte de la plaquette ou de la matière de revêtement est de 0,05 ou plus. In a metal head (2) for a golf club, comprising an inner hollow chamber (1), a plate (3) having anti-vibration characteristics or a coating material having anti-vibration characteristics is applied to a surface part interior of a crown (4) or another similar thin part of the head. The loss factor of the wafer or coating material is 0.05 or more.

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19-04-1996 дата публикации

GOLF CLUB HEAD.

Номер: FR2695835B1
Принадлежит: Sumitomo Rubber Industries Ltd

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29-04-1994 дата публикации

Set of irons for golf clubs.

Номер: FR2697168A1
Автор: IWANAGA Takeshi
Принадлежит: Sumitomo Rubber Industries Ltd

Jeu de fers comprenant une pluralité de fers comportant respectivement une tête (3) ayant une cavité dans sa surface arrière. La longueur (L) de la face horizontale des fers de numéro décroissant augmente progressivement, et l'épaisseur de leur partie de frappe de balle, mesurée entre leur face de frappe (7) et le fond de la cavité de la surface arrière, diminue progressivement lorsque le numéro diminue. A set of irons comprising a plurality of irons each having a head (3) having a cavity in its rear surface. The length (L) of the horizontal face of the decreasing number irons gradually increases, and the thickness of their bumper part, measured between their striking face (7) and the bottom of the cavity of the rear surface, decreases. gradually when the number decreases.

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07-10-2022 дата публикации

Polyimide precursor film, and method for producing polyimide film

Номер: JP2022151287A
Принадлежит: FUJIFILM BUSINESS INNOVATION CORP

【課題】破損し難く、かつ自己自立性を有するポリイミド前駆体皮膜の提供。【解決手段】水及び前記水以外の溶剤を含む溶剤の総含有量が5質量%以上40質量%以下であり、かつ前記水と前記水以外の溶剤との質量比(水/水以外の溶剤)が0以上2.5以下であるポリイミド前駆体皮膜。【選択図】なし

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28-03-2019 дата публикации

Titanium oxide aerogel particle, method for producing titanium oxide aerogel particle, photocatalyst-forming composition, photocatalyst and structure

Номер: JP2019048263A
Принадлежит: Fuji Xerox Co Ltd

【課題】可視光領域においても高い光触媒機能を発現する酸化チタンエアロゲル粒子を提供する。【解決手段】金属原子及び炭化水素基を有する金属化合物が酸素原子を介して表面に結合しており、BET比表面積が、120m2/g以上1000m2/g以下であり、可視吸収スペクトルにおいて波長450nm及び750nmに吸収を持つ、酸化チタンエアロゲル粒子。【選択図】図1

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05-04-1996 дата публикации

Set of irons for golf clubs.

Номер: FR2697168B1
Автор: Takeshi Iwanaga
Принадлежит: Sumitomo Rubber Industries Ltd

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13-03-2023 дата публикации

Polyimide precursor solution, porous polyimide film, and insulated wire

Номер: JP2023034978A
Принадлежит: FUJIFILM BUSINESS INNOVATION CORP

【課題】低い誘電率と高い機械的強度とを両立する多孔質ポリイミド膜が得られるポリイミド前駆体溶液の提供【解決手段】テトラカルボン酸二無水物とジアミン化合物との重合体であるポリイミド前駆体と、粒子と、溶剤と、1分子中に4以上のカルボキシ基を有する化合物と、を含有するポリイミド前駆体溶液。【選択図】なし

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04-10-1991 дата публикации

Set of golf clubs

Номер: FR2660202A1
Принадлежит: Sumitomo Rubber Industries Ltd

This set of golf clubs comprises several differently numbered woods and several differently numbered irons, each club comprising a shaft offering an opposed flexing which is defined as being the displacement of a standard point of the shaft when a pre-fixed force is applied to the shaft at a pre-fixed distance with respect to a head end of the shaft when this head end is fixed, the opposed flexing of the wood shafts diminishing in a virtually proportional manner in step with the increase in the number of the wood, and the opposed flexing of the shafts of the irons diminishing in step with the increase in the number of the iron. <??>According to the invention, the shafts of at least some of the chosen irons, among which features the iron with the lowest number, offer an opposed flexing which maintains a general proportionality with respect to the opposed flexing, diminishing in a proportional manner, of the shafts of the woods.

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30-03-2017 дата публикации

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Номер: JP2017062399A
Принадлежит: Fuji Xerox Co Ltd

【課題】クリーニングブレードの歪みの発生を抑制する電子写真感光体を提供すること。【解決手段】導電性基体1と、導電性基体1上に設けられた有機感光層(例えば電荷発生層2及び電荷輸送層3、又は単層型の有機感光層6)であって、表面を構成する層に、電荷輸送材料、結着樹脂、及び含有量が40質量%以上であるシリカ粒子を含む有機感光層と、有機感光層上に設けられ、表面粗さRaが5nm以下である無機保護層5と、を備えた電子写真感光体である。【選択図】図1

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14-09-2017 дата публикации

Silica particle and method for producing the same, photocatalyst forming composition, photocatalyst, and structure

Номер: JP2017160117A
Принадлежит: Fuji Xerox Co Ltd

【課題】可視光領域においても光触媒機能を発現するシリカ粒子を提供すること。 【解決手段】シリカ粒子の表面に、チタン原子に酸素原子を介して炭化水素基が結合した構造を有するチタン化合物が反応した被覆層を有し、可視吸収スペクトルにおける450nm及び750nmに吸収を持つシリカ粒子である。 【選択図】なし

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