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Применить Всего найдено 6. Отображено 6.
07-01-2016 дата публикации

Preparation of aniline derivatives

Номер: KR0101582955B1
Автор: 신동수, 서용생, 비제이쿠마르, 장기완, 신홍현, 한쌍수
Принадлежит: 창원대학교 산학협력단, 주식회사 대림화학

... 본 발명에 따른 아닐린 유도체의 제조방법은 촉매, 염기 및 용매 존재 하에서, 하기 화학식 2를 하기 화학식 3과 반응시켜 하기 화학식 1을 제조하는 단계를 포함할 수 있다. [화학식 1] [화학식 2] [화학식 3] (상기 화학식 1 내지 3에서 A는 질소 또는 CR이며; 상기 R 및 R1은 서로 독립적으로 수소, 할로겐, (C1-C10)알킬, (C1-C10)알케닐, (C3-C10)시클로알킬, (C3-C10)헤테로시클로알킬, (C6-C12)아릴, (C3-C12)헤테로아릴, 니트로, 또는 티올이며; 상기 R2는 (C1-C5)알킬렌이며; 상기 n은 1 내지 4의 정수이며; 상기 X는 할로겐, 또는 OR3이며; 상기 R3은 p-톨루엔술포닐 또는 메틸술포닐이다.) 본 발명에 따른 아닐린 유도체 제조방법은, 단일 단계를 통해 제조할 수 있어서, 보다 간단하며, 반응 후에 감압증류로 용매를 용이하게 제거할 수 있으며, 생성물은 플래시컬럼크로마토그래피 방법으로 쉽게 분리할 수 있으며, 또한 공정이 간단하여 에너지를 절약할 수 있어서 환경 친화적이며, 제조비용을 절약할 수 있다.

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Номер записи: 1
05-04-2016 дата публикации

3D PRINTER COMPRISING INK HEAD

Номер: KR1020160036955A
Автор: SHIN, HONG HYUN, HAN, SSANG SOO, SUNG, YU CHUL
Принадлежит:

Provided in the present invention is a 3D printer comprising an ink head, in which a heat block, a nozzle, and the ink head are mounted to be integrally moved, and ink is sprayed inside the nozzle to color a molten filament, so as to not only remove inconvenience of an existing technique of exchanging each of filaments having different colors or of hand working, but also easily form a three-dimensional object having a desired color. COPYRIGHT KIPO 2016 ...

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Номер записи: 2
05-04-2016 дата публикации

THREE-DIMENSIONAL STACKING APPARATUS HAVING MASK PART INCLUDING UV LIGHT EMITTING LAYER

Номер: KR1020160036957A
Автор: SHIN, HONG HYUN, HAN, SSANG SOO, SUNG, YU CHUL
Принадлежит:

One embodiment of the present invention relates to a three-dimensional stacking apparatus which molds a three-dimensional object by using a mask on which an UV light emitting element is deposited. The three-dimensional stacking apparatus has a mask part including an UV light emitting layer. COPYRIGHT KIPO 2016 ...

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Номер записи: 3
05-04-2016 дата публикации

THREE-DIMENSIONAL PRINTER COMPRISING TEMPERATURE MAINTAINING UNIT

Номер: KR1020160036953A
Автор: SHIN, HONG HYUN, HAN, SSANG SOO, SUNG, YU CHUL
Принадлежит:

The present invention provides a three-dimensional printer comprising a temperature maintaining unit. The three-dimensional printer improves the precision of a product by molding a three-dimensional object, while positioning a temperature maintaining unit on a lower portion of a worktable in which the filaments are laminated, and cooling filaments in order. COPYRIGHT KIPO 2016 ...

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Номер записи: 4
29-05-2015 дата публикации

MANUFACTURING METHOD OF ANILINE DERIVATIVE

Номер: KR1020150058651A
Автор: SHIN, DONG SOO, XIE, YONG SHENG, B.V.D. VIJAY KUMAR, JANG, KI WAN, SHIN, HONG HYUN, HAN, SSANG SOO
Принадлежит:

In the present invention, provided is a novel manufacturing method of aniline derivative, which is more simple and eco-friendly and takes less cost compared with an existing synthesizing aniline method, comprising a step of manufacturing chemical formula 1 by making chemical formula 2 react with chemical formula 3 under catalyst, bases and solvents wherein the manufacturing method aniline derivative is manufactured through one pot in a simple manner and accordingly easily removes the solvent with use of distillation under reduced pressure after reaction. COPYRIGHT KIPO 2015 ...

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Номер записи: 5
02-11-2017 дата публикации

METHOD FOR MANUFACTURING METAL OXYFLUORIDE DEFLUORINATION CATALYST IN REACTION AND DEFLUORINATION METHOD USING SAME

Номер: KR101793103B1
Автор: HA, JEONG MYEONG, LIM, SEO YEON, AHN, BYOUNG SUNG, LEE, SANG DEUK, KIM, HONG GON, LEE, HYUN JOO, CHOI, JAE WOOK, SHIN, HONG HYUN, HAN, SSANG SOO, KIM, CHANG SOO
Принадлежит: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Disclosed are a method for manufacturing a metal oxyfluoride defluorination catalyst in a defluorination reaction, and a defluorination method using the same. The catalyst is manufactured by the following steps: inputting metal oxides in a reactor; and inputting a reaction mixture including a fluorine compound in the reactor, wherein the reaction mixture additionally comprises air or oxygen. According to the method for manufacturing a catalyst, a defluorination catalyst can be instantly manufactured in the reactor. COPYRIGHT KIPO 2017 ...

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Номер записи: 6