Stock material or miscellaneous articles – Composite – Of silicon containing
Reexamination Certificate
2008-01-29
2008-01-29
Zimmer, Marc S. (Department: 1712)
Stock material or miscellaneous articles
Composite
Of silicon containing
C525S477000, C525S478000, C528S015000, C528S031000, C528S032000, C524S099000, C524S323000, C524S351000, C524S588000
Reexamination Certificate
active
07323250
ABSTRACT:
Provided is a curable silicone resin composition including (A) a siloxane-based compound containing at least 2 addition reactive carbon-carbon double bonds within each molecule, (B) a siloxane-based compound containing at least 2 hydrogen atoms bonded to silicon atoms within each molecule, (C) a hydrosilylation reaction catalyst, (D) a phenol-based antioxidant, and (E) a hindered amine compound. Also provided are an optical semiconductor sealing material including such a composition, and an optical semiconductor device that has been sealed with such a composition. The curable silicone composition generates a cured product with high hardness and strength, excellent transparency, and excellent light transmittance and photostability particularly in the short wavelength region.
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Examination Report issued by the Intellectual Property Office of New Zealand for corresponding Patent Application No. 535587.
Miyoshi Kei
Tabei Eiichi
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Shin-Etsu Chemical Co. , Ltd.
Zimmer Marc S.
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