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. 30, 1979
Filed:
Sep. 07, 1977
Applicant:
Inventor:
Eilert A Ofstead, Cuyahoga Falls, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526143 ; 2524 / ; 526142 ; 526308 ;
Abstract
There is disclosed a cycloolefin metathesis process comprising polymerizing (1) an unsaturated alicyclic compound containing 5 carbons and one double bond in the ring and (2) polycyclic non-conjugated diolefins by the use of a catalyst system comprising (a) tungsten halides and oxyhalides, (b) at least one compound such as alkylaluminum sesquihalides, dialkylaluminum halides, alkylaluminum diahlides or trialkylaluminums, (c) an alcohol, and (d) pentachlorophenol or pentabromophenol.