Curable organopolysiloxane resin composition and optical...

Details Curable organopolysiloxane resin composition and optical... Curable organopolysiloxane resin composition and optical...

2011-01-04

2011-01-04

Wu, David (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C523S107000, C528S031000, C528S032000, C528S033000

Reexamination Certificate

active

07863392

ABSTRACT:
A curable organopolysiloxane resin composition having a viscosity at 25° C. in the range of 0.001 to 5,000 Pa·s, a total acid number as specified by JIS K 2501 (1992) in the range of 0.0001 to 0.2 mg/g, and light transmittance in a cured state equal to or greater than 80%; an optical part comprised of a cured body of the aforementioned composition. The curable organopolysiloxane resin composition of the invention is characterized by good transparency, low decrease in transmittance when exposed to high temperatures, and excellent adhesion when required.

REFERENCES:
patent: 5530075 (1996-06-01), Morita et al.
patent: 6780518 (2004-08-01), Azechi et al.
patent: 2002/0161140 (2002-10-01), Yoneda et al.
patent: 2004/0116640 (2004-06-01), Miyoshi
patent: 2007/0112147 (2007-05-01), Morita et al.
patent: 2008/0058441 (2008-03-01), Watanabe et al.
patent: 11001619 (1999-01-01), None
patent: 2003-343622 (2003-10-01), None
patent: 2004186168 (2004-07-01), None
patent: WO 2005/033207 (2005-04-01), None
patent: WO 2005/054371 (2005-06-01), None
patent: WO 2005/062368 (2005-07-01), None
English language translation and abstract for JP 11001619, extracted from PAJ, dated Oct. 8, 2008, 33 pages.
English language translation and abstract for JP 2004-186168, extracted from PAJ, dated Oct. 8, 2008, 34 pages.

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