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.:
Date of Patent:
Sep. 26, 2006
Filed:
Dec. 03, 2003
Applicant:
Yuji Okada, Anan, JP;
Inventor:
Yuji Okada, Anan, JP;
Assignee:
Nichia Corporation, Tokushima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01); C09K 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An epoxy resin composition comprising an epoxy resin, a hardening agent and a hardening accelerator as an indispensable ingredients is provided wherein the hardened resin has a high translucency and has little discoloration under high temperature and high humidity and is excellent at heat resistance and light fastness by compounding a phosphonium compound represented by the following formula (I) as a hardening accelerator.