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:
Nov. 20, 2001
Filed:
Dec. 18, 1998
Applicant:
Inventors:
Rex E. Murray, Cross Lanes, WV (US);
Simon Mawson, Charleston, WV (US);
Clark C. Williams, Charleston, WV (US);
James D. Schreck, West Virginia, WV (US);
Assignee:
Univation Technologies, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/80 ; C08F 2/34 ;
U.S. Cl.
CPC ...
C08F 4/80 ; C08F 2/34 ;
Abstract
This invention relates to a process to polymerize olefins comprising contacting an olefin with a composition comprising the product of the combination of an activator and a transition metal compound provided that if the process occurs in the slurry phase then the activator and the transition metal compound are allowed to react for at least fifteen minutes before being contacted with the olefin.