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:
Aug. 19, 2014

Filed:

May. 07, 2012
Applicants:

Harshad Ramdas Patil, Gujarat, IN;

Priyanshu Bharatkumar Vyas, Gujarat, IN;

Virendrakumar Gupta, Maharashtra, IN;

Inventors:

Harshad Ramdas Patil, Gujarat, IN;

Priyanshu Bharatkumar Vyas, Gujarat, IN;

Virendrakumar Gupta, Maharashtra, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/00 (2006.01); B01J 37/00 (2006.01); B01J 27/24 (2006.01); C08F 4/02 (2006.01); C08F 4/60 (2006.01); C08F 4/44 (2006.01); C08F 4/06 (2006.01); C08F 2/00 (2006.01); C08F 2/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention discloses new class of nitrogen containing external donor systems. These donor systems are used in titanium supported on magnesium dichloride pro-catalyst system for polymerization of propylene. The external donor systems of the present invention in combination with silane show the kinetics control for diester catalyst polymerization process along with stereo regularity control of product. The polypropylene produced using nitrogen containing external donor systems of the present invention have broad molecular weight distribution.


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