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:
Oct. 16, 2012
Filed:
Apr. 16, 2010
Applicants:
Linfeng Chen, Missouri City, TX (US);
Tak W. Leung, Houston, TX (US);
Tao Tao, Houston, TX (US);
Kuanqiang Gao, Pearland, TX (US);
Inventors:
Linfeng Chen, Missouri City, TX (US);
Tak W. Leung, Houston, TX (US);
Tao Tao, Houston, TX (US);
Kuanqiang Gao, Pearland, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/44 (2006.01); C08F 110/06 (2006.01); B01J 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are procatalyst compositions having an internal electron donor which includes an adamantane dicarboxylate and optionally an additional electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions to produce propylene-based olefins with broad molecular weight distribution.