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:
May. 04, 1976
Filed:
Aug. 30, 1974
Applicant:
Inventors:
Shoichi Matsumura, Akashi, JA;
Itaru Hatano, Kobe, JA;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526308 ; 260 / ; 526 97 ; 526 96 ; 526107 ;
Abstract
A Process for polymerizing cycloolefins by ring opening reaction using heterogeneous catalyst containing tungsten trioxide and Lewis acid or tungsten trioxide, Lewis acid and organoaluminum compound as the polymerization catalyst.