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:
Jun. 24, 2003
Filed:
Dec. 01, 2000
Applicant:
Inventors:
Peter Phung Minh Hoang, Calgary, CA;
Charles Russell, Calgary, CA;
Jason Roy Kearns, Calgary, CA;
Sieghard E. Wanke, Edmonton, CA;
David T. Lynch, Edmonton, CA;
Nai-Hong Li, Edmonton, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 3/138 ; C08F 4/44 ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
B01J 3/138 ; C08F 4/44 ; C08F / ; C08F / ;
Abstract
Functional polymers containing hydroxyl groups as supports for use with catalysts can increase the activity of these catalysts which results in improved ethylene polymerization. The present invention seeks to provide catalysts with improved activity by incorporating 2-hydroxyethyl methacrylate (HEMA) into the support of the catalyst.