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:
Jun. 02, 2020
Filed:
Feb. 27, 2019
Applicant:
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Inventors:
Max P. McDaniel, Bartlesville, OK (US);
Stephen L. Kelly, Kingwood, TX (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 10/02 (2006.01); B01J 37/02 (2006.01); B01J 37/03 (2006.01); B01J 35/10 (2006.01); B01J 21/08 (2006.01); B01J 35/02 (2006.01); C08F 110/02 (2006.01); C08F 210/16 (2006.01); B01J 23/26 (2006.01);
U.S. Cl.
CPC ...
C08F 10/02 (2013.01); B01J 21/08 (2013.01); B01J 23/26 (2013.01); B01J 35/023 (2013.01); B01J 35/1019 (2013.01); B01J 35/1047 (2013.01); B01J 37/0203 (2013.01); B01J 37/035 (2013.01); C08F 110/02 (2013.01);
Abstract
Methods for reinforcing chromium catalysts by the deposition of additional silica are disclosed herein. The resultant silica-reinforced chromium supported catalysts can be used to polymerize olefins to produce, for example, ethylene based homopolymers and copolymers with higher molecular weights and additional long chain branching.