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. 15, 1977
Filed:
Jun. 23, 1975
Applicant:
Inventors:
Akira Wada, Kamakura, JA;
Kazunob Karino, Yokohama, JA;
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
2608 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260831 ; 260834 ; 260835 ; 260836 ;
Abstract
An epoxy resin composition comprising I. not more than 90% by weight of a cyclopentadiene type resin having a hydroxyl value of 100-300 and a softening point of 50.degree.-170.degree. C., said resin being that obtained by heat-polymerizing a monomeric mixture containing a cyclopentadiene monomer and a hydroxyl-containing monoolefinic monomer copolymerizable therewith. Ii. at least 10% by weight of an epoxy resin, and Iii. an effective amount of an epoxy resin hardener.