[특허]Solid silica derivative and process for producing the same

[미국특허] Solid silica derivative and process for producing the same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C01B-015/14 C01B-033/12 C04B-014/04
출원번호	US-0710419 (1996-09-17)
우선권정보	JP-0029918 (1996-01-24)
발명자 / 주소	Yamada Yoshinori,JPX Harada Katsuyoshi,JPX
출원인 / 주소	Toagosei Co., Ltd., JPX
대리인 / 주소	Browdy and Neimark
인용정보	피인용 횟수 : 26 인용 특허 : 6

초록 ▼

A solid silica derivative which is represented by the general formula H.sub.n SiO.sub.(4-n)/2 wherein n is a real number larger than 0 but smaller than 2 and which contains Si--H bond, said solid silica derivative being able to be easily produced in a high yield by subjecting to hydrolysis-condensation an alkoxysilane represented by the mean general formula H.sub.n --Si(OR.sup.0).sub.4-n in which R.sup.0 represents an alkyl group having 1 to 4 carbon atoms, plural R.sup.0 groups may be the same as or different from one another and n is a real number greater than 0 but smaller than 2, using water in an amount of (4-n)/2 moles or more per mole of the alkoxysilane at a pH of 10.5 or less.

대표청구항 ▼

[ What is claimed is:] [1.] A process for producing a Si--H bond-containing solid product which is represented by the formula H.sub.n SiO.sub.(4-1)/2 wherein n is a positive number of 0.7 to 1.3, which process comprises subjecting to hydrolysis-condensation an alkoxysilane represented by the general formula H.sub.n --Si(OR.sup.0).sub.4-n in which R.sup.0 represents an alkyl group having 1 to 4 carbon atoms, plural R.sup.0 groups may be the same as or different from one another and n is as defined above, using water in an amount of (4-n)/2 moles or more per mole of the alkoxysilane at a pH of 5.5 to 10.5.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Hanneman Larry F. (Midland MI) Gentle Theresa E. (Midland MI) Sharp Kenneth G. (Landenberg PA), Hydrogen silsesquioxane resin fractions and their use as coating materials.
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Weiss Keith D. (Midland MI) Frye Cecil L. (Midland MI), Metastable silane hydrolyzates and process for their preparation.
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Frye Cecil L. (Midland MI) Haluska Loren A. (Midland MI) Weiss Keith D. (Cary NC) Baney Ronald H. (Midland MI), Perhydrosiloxane copolymers and their use as coating materials.
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Kotzsch Hans-Joachim (Rheinfelden DT) Vahlensieck Hans-Joachim (Wehr DT), Process for the preparation of low silanes and silane esters.
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Bank Howard M. (Freeland MI) Cifuentes Martin E. (Midland MI) Martin Theresa E. (Midland MI), Process for the synthesis of soluble, condensed hydridosilicon resins containing low levels of silanol.
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Agaskar Pradyot (55 Cliveden Ct. Lawrenceville NJ 08648), Use of metal salts in the synthesis of oligomeric hydrogensilsesquioxanes via hydrolysis/condensation reactions.
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이 특허를 인용한 특허 (26) 인용/피인용 타임라인 분석

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Zenitani, Yuka; Yoshikawa, Hideaki; Okuno, Hiroyoshi; Nozaki, Shunsuke; Kawashima, Shinichiro; Takeuchi, Sakae, Hydrophobization treatment of silica particles.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Solid silica derivative and process for producing the same 원문보기