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:
Jul. 18, 2006
Filed:
Mar. 17, 2004
Applicants:
Peter Phung Minh Hoang, Calgary, CA;
Xiaoliang Gao, Calgary, CA;
Jessie Anne Leighton, Calgary, CA;
Matthew Gerald Kowalchuk, Calgary, CA;
Inventors:
Peter Phung Minh Hoang, Calgary, CA;
Xiaoliang Gao, Calgary, CA;
Jessie Anne Leighton, Calgary, CA;
Matthew Gerald Kowalchuk, Calgary, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/649 (2006.01); C08F 4/02 (2006.01); C08F 4/642 (2006.01);
U.S. Cl.
CPC ...
Abstract
Polymeric supports, which have been treated with a halosulfonic acid, increase the activity of single-site catalysts used with aluminoxane co-catalysts, resulting in improved ethylene polymerization. The present invention seeks to provide polymeric catalyst supports which have been treated with halosulfonic acid for improved activity.