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:
Mar. 11, 2003
Filed:
Dec. 12, 2001
Applicant:
Inventors:
Yasuyuki Murata, Yokkaichi, JP;
Masayuki Tsutsumi, Yokkaichi, JP;
Kiyotaka Ikebata, Yokkaichi, JP;
Ken Tanaka, Yokkaichi, JP;
Assignee:
Japan Epoxy Resins Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 6/302 ;
U.S. Cl.
CPC ...
C08L 6/302 ;
Abstract
A crystallized epoxy resin which is easy to blend with a hardener or the like is a crystallized product of an epoxy resin derived from 4,4′-dihydroxy-3,3′,5,5′-tetramethylbiphenyl and an epihalohydrin, and the ratio of an endotherm between 50° C. and 130° C. to an endotherm between 80° C. and 125° C., measured by raising the temperature at a rate of 10° C. per minute using a DSC device, is 1.03 or more.