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:
Dec. 25, 1979
Filed:
Aug. 31, 1978
Applicant:
Inventors:
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528112 ; 528113 ; 528115 ; 528341 ; 528361 ; 528365 ;
Abstract
Disclosed is an epoxy resin composition containing, as an essential curing component, 2,3,3',4'-biphenyltetracarboxylic dianhydride which is highly compatible with epoxy resins at a relatively low temperature and effective for producing cured epoxy resins having an excellent thermal resistance.