Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 26, 2006
Patent Application Number
10725440
Date Filed
December 3, 2003
Patent Primary Examiner
Patent 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.
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