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.

Date of Patent:
Oct. 25, 2011

Filed:

Aug. 25, 2008
Applicants:

Virendrakumar Gupta, Mumbai, IN;

Harshad Ramdas Patil, Mumbai, IN;

Dhananjay Ghelabhai Naik, Mumbai, IN;

Sukhdeep Kaur, Mumbai, IN;

Gurmeet Singh, Mumbai, IN;

Priyanshu Bharatkumar Vyas, Mumbai, IN;

Inventors:

Virendrakumar Gupta, Mumbai, IN;

Harshad Ramdas Patil, Mumbai, IN;

Dhananjay Ghelabhai Naik, Mumbai, IN;

Sukhdeep Kaur, Mumbai, IN;

Gurmeet Singh, Mumbai, IN;

Priyanshu Bharatkumar Vyas, Mumbai, IN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 31/00 (2006.01); B01J 27/24 (2006.01); B01J 21/00 (2006.01); C08F 4/42 (2006.01); C08F 4/06 (2006.01); C08F 2/00 (2006.01); C08F 26/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a catalyst system for polymerization of olefins, the catalyst system comprising a titanium-containing procatalyst carrying internal electron donor(s), an organoaluminium cocatalyst and a mixture of external electron donors, the mixture comprising a carboxylic acid ester or derivatives thereof, an alkoxy silane and a nitrogen based compound. The invention also relates to a process for polymerization of olefin(s) and to the polyolefin synthesized by the process.


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