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. 07, 2014
Filed:
Aug. 25, 2008
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:
Primary Examiner:
Assistant Examiner:
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.