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:
Aug. 02, 2011
Filed:
Apr. 17, 2008
Applicants:
Donald Ray Loveday, Clarence Center, NY (US);
Moses O. Jejelowo, Webster, NY (US);
Sun-chueh Kao, Hillsborough, NJ (US);
Inventors:
Donald Ray Loveday, Clarence Center, NY (US);
Moses O. Jejelowo, Webster, NY (US);
Sun-Chueh Kao, Hillsborough, NJ (US);
Assignee:
Univation Technologies, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/42 (2006.01); B01J 31/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst system comprising a hafnocene catalyst compound and zirconocene catalyst compound, wherein the hafnocene and/or zirconocene include(s) at least one ligand substituted with at least one linear or iso alkyl group having 3 or more carbon atoms is provided. A process for polymerizing olefin(s) using the same catalyst system is also provided.