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:
May. 25, 2004
Filed:
Sep. 20, 2002
Applicant:
Inventors:
Qinyan Wang, Calgary, CA;
Patrick Lam, Calgary, CA;
Gail Baxter, Calgary, CA;
James Arthur Auger, Calgary, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F 4/64 ;
U.S. Cl.
CPC ...
C08F / ; C08F 4/64 ;
Abstract
An ethylene styrene copolymer having isolated styrene monomer units separated by 5 or 6 methylene groups as determined by C-NMR may be polymerized in the presence of an activator and a transition metal catalyst containing a phosphinimine ligand.