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:
May. 04, 2004
Filed:
Mar. 11, 2002
Applicant:
Inventors:
Yukihiro Kiuchi, Minato-Ku, JP;
Masatoshi Iji, Minato-Ku, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/738 ; B32B 2/704 ; C09K 2/100 ; C08L 6/300 ; C08L 8/304 ;
U.S. Cl.
CPC ...
B32B 2/738 ; B32B 2/704 ; C09K 2/100 ; C08L 6/300 ; C08L 8/304 ;
Abstract
A flame-retardant epoxy resin composition includes an epoxy resin, a curing agent, and a metal hydroxide, wherein the curing agent as a phenolic resin (C) containing, in the molecular chain, structural units derived from a phenol (A) and structural units derived from an aromatic compound (B) other than the phenol (A), or the epoxy resin is a novolac epoxy resin CD) obtained by subjecting the phenolic hydroxyl groups of the phenolic resin (C) to etherification with glycidyl. The composition has a high degree of flame retardancy.