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. 21, 2012
Filed:
Apr. 14, 2010
Applicants:
Kelly A. Gonzalez, Katy, TX (US);
Tao Tao, Houston, TX (US);
Tak W. Leung, Houston, TX (US);
Inventors:
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/02 (2006.01); C08F 4/06 (2006.01); C08F 4/44 (2006.01); C08F 2/00 (2006.01); B01J 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are procatalyst compositions having an internal electron donor which includes a silyl glutarate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit strong activity and produce propylene-based olefins with high isotacticity.