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 7943719 B1

PDF
Full Text
Expired
Date of Patent:
May. 17, 2011

Filed:

Feb. 28, 2008
Applicants:

Craig J. Hawker, Santa Barbara, CA (US);

Rosette G. Guino, Long Beach, CA (US);

Keiichi Seki, Kanagawa-ken, JP;

Kenichi Takizawa, Kitakyushu, JP;

Yutaka Moti, Kitakyushu, JP;

Inventors:

Craig J. Hawker, Santa Barbara, CA (US);

Rosette G. Guino, Long Beach, CA (US);

Keiichi Seki, Kanagawa-ken, JP;

Kenichi Takizawa, Kitakyushu, JP;

Yutaka Moti, Kitakyushu, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

Curable polyorganosiloxanes are provided that cure in the absence of a hydrosilylation catalyst. The cured polyorganosiloxanes have increased stability and can be used as encapsulation resin is at a temperature far lower than 300° C., have excellent light transmission properties (colorless transparency. in a wavelength region of from ultraviolet light to visible light, light resistance, heat resistance, resistance to moist heat and UV resistance, and do not generate cracks and peeling even in use over a long period of time.


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