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:
Jan. 18, 1977
Filed:
Dec. 16, 1974
Applicant:
Inventors:
Akira Wada, Kamakura, JA;
Kazunobu Karino, Yokohama, JA;
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
2608 / ; 260 / ; 260 4232 ; 2608 / ; 260831 ; 260834 ; 260835 ; 260836 ;
Abstract
An epoxy resin composition comprising (I) 5 to 90% by weight of a cyclopentadiene resin, (II) 95 to 10% by weight of an epoxy resin and (III) an effective amount of a curing agent for the epoxy resin, having an acid number of not more than 150, a bromine number of not more than 75 and a softening point of not more than 170.degree. C., said cyclopentadiene resin (I) being prepared from a mixture consisting of