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:
May. 26, 2015

Filed:

Dec. 14, 2010
Applicants:

Kamlesh Singala, Maharashtra, IN;

Saurabh Singh, Maharashtra, IN;

Virendrakumar Gupta, Maharashtra, IN;

Inventors:

Kamlesh Singala, Maharashtra, IN;

Saurabh Singh, Maharashtra, IN;

Virendrakumar Gupta, Maharashtra, IN;

Assignee:

Reliance Industries Limited, Navi Mumbai, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/642 (2006.01); C08F 4/649 (2006.01); C01G 23/047 (2006.01); C01G 23/053 (2006.01); C08F 2/02 (2006.01); C08F 10/06 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C08F 10/06 (2013.01); C01G 23/0536 (2013.01); C01P 2004/51 (2013.01); C08F 110/06 (2013.01); Y10S 526/908 (2013.01);
Abstract

A semi-continuous process and system thereof, for the synthesis of a narrow particle size distribution Zeigler Natta procatalyst for use in the manufacture of polyolefins. The process comprises: (a) mixing a reaction mixture containing a titanium compound; (b) charging a first reactor with said reaction mixture; (c) removing excess reactants from said first reactor as a filtrate; (d) feeding said filtrate to at least one further reactor; and continuously removing excess reactants from said at least further reactor.


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