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:
Apr. 13, 2004
Filed:
Feb. 13, 2002
Yasuyuki Hirai, Oyama, JP;
Hironori Suzuki, Shimodate, JP;
Yoshiyuki Takeda, Shimodate, JP;
Kenichi Oohori, Shimodate, JP;
Shinichi Kamoshida, Shimodate, JP;
Minoru Kakitani, Shimodate, JP;
Norihiro Abe, Shimodate, JP;
Hitachi Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention relates to a resin composition containing an epoxy resin, an amine-type curing agent, an organophosphorus compound having a structure represented by formula 1 and an organic solvent, wherein the epoxy resin and the organophosphorus compound has been compounded at a temperature of 50° C. or lower. The resin composition has enough flame retardancy without containing any halogen-containing flame retarder, has good heat resistance and good chemical resistance, and causes no problems with respect to reaction stability or curability caused by consumption of an epoxy resin through a reaction occurring during compounding of the resin composition.