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:
Aug. 11, 1992
Filed:
Sep. 23, 1991
Applicant:
Inventors:
Kin-ichi Okumura, Kamakura, JP;
Munetoshi Nakano, Kurashiki, JP;
Hirotoshi Tanimoto, Kamakura, JP;
Motoyuki Yamato, Kanagawa, JP;
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08F / ;
U.S. Cl.
CPC ...
526283 ; 526 75 ; 526281 ; 526161 ; 525289 ; 525290 ; 525245 ; 2643282 ; 2643286 ; 26433113 ;
Abstract
Described herein is an oily, transparent reaction product which is prepared by heat treating at 110.degree.-220.degree. C. a dicyclopentadiene and a vinyl aromatic compound. This reaction product can be polymerized by ring-opening in presence or absence of a norbornene monomer to produce a thermoset polymer. Freezing point of the reaction product is below 10.degree. C.