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:
Sep. 29, 1987
Filed:
Mar. 27, 1986
Applicant:
Inventor:
Andrea E Martin, Avondale, PA (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526119 ; 526281 ; 526283 ;
Abstract
The invention relates to a catalyst composition for polymerization of norbornene-type monomer: including WCl.sub.4 O and WCl.sub.6 in a molar ratio of WCl.sub.4 O to WCl.sub.6 from 1:9 to 1:1 (i.e., 10-50% WOCl.sub.4 and 90-50% WCl.sub.6). The method of making catalyst includes: providing catalyst precursor material, the major portion of which is WCl.sub.6, and contacting controlled proportions of the oxygen donor and WCl.sub.6 to form WCl.sub.4 O in a molar ratio to WCl.sub.6 of between 1:9 and 1:1.
Martin, Andrea. (1987). Catalyst composition for polymerization of cycloolefins (U.S. Patent No. 4696985). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4696985
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile