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. 05, 2016
Filed:
Dec. 01, 2011
Applicants:
Linfeng Chen, Missouri City, TX (US);
Tak W. Leung, Houston, TX (US);
Tao Tao, Houston, TX (US);
Inventors:
Assignee:
W. R. Grace & Co.-Conn., Columbia, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/76 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C08F 4/76 (2013.01); C08F 110/06 (2013.01);
Abstract
Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions include an internal electron donor with an alkoxypropyl ester. The present catalyst compositions improve catalyst selectivity. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 4 g/10 min.
Quick Actions:
Chen, Linfeng. (2016). Procatalyst composition with alkoxypropyl ester internal electron donor and polymer from same (U.S. Patent No. 9382343). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9382343
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile