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.:

US 8466081 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 18, 2013

Filed:

Feb. 24, 2011
Applicants:

Linfeng Chen, Missouri City, TX (US);

Tak W. Leung, Houston, TX (US);

Tao Tao, Houston, TX (US);

Kuanqiang Gao, Pearland, TX (US);

James X. Shu, Houston, 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);

Xiaodong Huang, Houston, TX (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 31/00 (2006.01); B01J 27/24 (2006.01); C08F 4/44 (2006.01); C08F 4/06 (2006.01); C08F 2/00 (2006.01); C07C 229/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are halogenated amide esters that are suitable as internal electron donors in procatalyst compositions. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit improved catalyst activity and/or improved catalyst selectivity and produce propylene-based olefins with broad molecular weight distribution.


Find Patent Forward Citations

Chen, Linfeng. (2013). Halogenated amide ester and internal electron donor with same (U.S. Patent No. 8466081). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8466081

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