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.

Date of Patent:
Jul. 10, 2012

Filed:

Jul. 24, 2007
Applicants:

Tomoko Kato, Ichihara, JP;

Yoshitsugu Morita, Ichihara, JP;

Shinichi Yamamoto, Chiba, JP;

Toshio Saruyama, Sakura, JP;

Inventors:

Tomoko Kato, Ichihara, JP;

Yoshitsugu Morita, Ichihara, JP;

Shinichi Yamamoto, Chiba, JP;

Toshio Saruyama, Sakura, JP;

Assignee:

Dow Corning Toray Company, Ltd., Chiyoda-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 35/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A curable organopolysiloxane composition comprising at least the following components: (A) a linear diorganopolysiloxane with a mass average molecular weight of at least 3,000, (B) a branched organopolysiloxane, (C) an organopolysiloxane having, on average, at least two silicon-bonded aryl groups and, on average, at least two silicon-bonded hydrogen atoms in one molecule, and (D) a hydrosilylation reaction catalyst; has excellent curability and, when cured, forms a flexible cured product of high refractive index, optical transmissivity, excellent adherence to various substrates, high hardness and slight surface tack.


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