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:
Jul. 15, 2014
Filed:
Dec. 31, 2009
Applicants:
Kelly Gonzalez, Katy, TX (US);
Clark C. Williams, Katy, TX (US);
Linfeng Chen, Sugar Land, TX (US);
Inventors:
Assignee:
W. R. Grace & Co.-Conn., Columbia, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 110/06 (2006.01); C08F 4/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein are processes for preparing procatalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions improve catalyst selectivity and also increase the bulk density of the formant polymer.