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. 11, 2016
Filed:
Jun. 02, 2014
Applicant:
W. R. Grace & Co.—conn., Columbia, MD (US);
Inventors:
Kelly Gonzalez, Katy, TX (US);
Clark C. Williams, Lake Jacson, TX (US);
Linfeng Chen, Missouri City, TX (US);
Assignee:
W. R. Grace & Co.—Conn., Columbia, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 10/06 (2006.01); C08F 110/06 (2006.01); C08F 210/06 (2006.01);
U.S. Cl.
CPC ...
C08F 10/06 (2013.01); C08F 110/06 (2013.01); C08F 210/06 (2013.01);
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.