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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9688822 B1

PDFFull Text
Date of Patent:
Jun. 27, 2017

Filed:

Oct. 23, 2013

Organopolysiloxane, curable silicone composition, cured product thereof, and optical semiconductor

Applicant:

Dow Corning Toray Co., Ltd., Tokyo, JP;

Inventors:

Michitaka Suto, Ichihara, JP;

Takashi Sagawa, Ichihara, JP;

Kasumi Takeuchi, Ichihara, JP;

Tomohiro Iimura, Ichihara, JP;

Kazuhiro Nishijima, Ichihara, JP;

Yoshitsugu Morita, Ichihara, JP;

Assignee:

DOW CORNING TORAY CO., LTD., Tokyo, JP;

Attorney:

Howard & Howard Attorneys PLLC

Primary Examiner:

Margaret Moore

Int. Cl.
CPC ...
C08G 77/08 (2006.01); C08G 77/00 (2006.01); C09J 183/04 (2006.01); H01L 31/0203 (2014.01); C09D 183/04 (2006.01); C08L 83/04 (2006.01); C08G 77/12 (2006.01); C08G 77/20 (2006.01); H01L 23/29 (2006.01); H01L 33/56 (2010.01);
U.S. Cl.
CPC ...
C08G 77/80 (2013.01); C09D 183/04 (2013.01); C09J 183/04 (2013.01); H01L 31/0203 (2013.01); C08G 77/12 (2013.01); C08G 77/20 (2013.01); C08L 83/04 (2013.01); H01L 23/296 (2013.01); H01L 33/56 (2013.01); H01L 2224/32245 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/73265 (2013.01);
Abstract

The present invention relates to a curable silicone composition comprising: (A) an organopolysiloxane represented by a specific average unit formula, (B) an optional straight-chain organopolysiloxane having at least two alkenyl groups and not having any silicon-bonded hydrogen atoms in a molecule, (C) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule, and (D) a hydrosilylation reaction catalyst. The curable silicone composition has high reactivity and forms a cured product with low gas permeability.

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