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:
Mar. 26, 2002
Filed:
Dec. 13, 1999
Applicant:
Inventors:
James Macfarlane Gardiner, Wantage, GB;
Keith James Fenner, Bayside, NY (US);
Ralph Joseph Spohn, Woodcliff Lake, NJ (US);
Gary W. Ver Strate, Port Saint Lucie, FL (US);
Assignee:
Exxon Chemical Patents Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/06 ;
U.S. Cl.
CPC ...
C08F 8/06 ;
Abstract
A method for reducing the molecular weight of olefin copolymers comprises contacting an olefin copolymer and a base oil containing less than about 0.05 wt. % sulfur in the presence of oxygen and at a temperature of at least about 60° C.