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:
Apr. 05, 2016

Filed:

Dec. 10, 2008
Applicants:

John H. Moorhouse, Kendall Park, NJ (US);

Kevin J. Cann, Rocky Hill, NJ (US);

Mark G. Goode, Hurricane, WV (US);

Ronald S. Eisinger, Charleston, WV (US);

Inventors:

John H. Moorhouse, Kendall Park, NJ (US);

Kevin J. Cann, Rocky Hill, NJ (US);

Mark G. Goode, Hurricane, WV (US);

Ronald S. Eisinger, Charleston, WV (US);

Assignee:

Univation Technologies, LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 21/00 (2006.01); B01J 23/00 (2006.01); C08F 4/24 (2006.01); C08F 4/52 (2006.01); C08F 4/12 (2006.01); C08F 110/02 (2006.01); C08F 10/00 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C08F 10/00 (2013.01); C08F 210/16 (2013.01); Y10T 29/49345 (2015.01);
Abstract

Embodiments disclosed herein generally relate to olefin polymerization catalysts, and more specifically to chromium-based catalysts and methods of use of chromium-based catalysts for the production of polyolefins, and even more specifically to methods for controlling or tailoring the flow index response of chromium-based catalysts through the controlled addition of a reducing agent to the catalysts under controlled mixing conditions.


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