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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 8853118 B1

PDFFull Text
Expired
Date of Patent:
Oct. 07, 2014

Filed:

Aug. 25, 2008

Propylene polymerization catalyst system

Applicants:

Virendrakumar Gupta, Mumbai, IN;

Harshad Ramdas Patil, Mumbai, IN;

Dhananjay Ghelabhai Naik, Mumbai, IN;

Inventors:

Virendrakumar Gupta, Mumbai, IN;

Harshad Ramdas Patil, Mumbai, IN;

Dhananjay Ghelabhai Naik, Mumbai, IN;

Assignee:

Reliance Industries Limited, Mumbai, IN;

Attorney:

Klein, O'Neill & Singh, LLP

Primary Examiner:

David W Wu

Assistant Examiner:

Elizabeth Eng

Int. Cl.
CPC ...
B01J 31/00 (2006.01); B01J 37/00 (2006.01); C08F 4/02 (2006.01); C08F 4/60 (2006.01); C08F 4/44 (2006.01); C08F 2/00 (2006.01); C08F 110/06 (2006.01); C08F 10/00 (2006.01);
U.S. Cl.
CPC ...
C08F 10/00 (2013.01); C08F 110/06 (2013.01);
Abstract

The invention relates to a catalyst system for polymerization of propylene, the catalyst system comprising a Ziegler Natta procatalyst, an organoaluminium cocatalyst, a monoester of an aromatic carboxylic acid as the internal donor and ethyl-4-isopropoxy benzoate as the selectivity control agent. The invention also relates to a process for polymerization using the catalyst system as well as to polymers prepared by the process.

Find Patent Forward Citations

Gupta, Virendrakumar. (2014). Propylene polymerization catalyst system (U.S. Patent No. 8853118). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8853118

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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