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:
Oct. 17, 2017
Filed:
Jun. 24, 2014
Applicant:
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Inventors:
Scott E. Kufeld, Houston, TX (US);
Joel A. Mutchler, Kingwood, TX (US);
John D. Hottovy, Porter, TX (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01); B01J 19/18 (2006.01); G06F 17/50 (2006.01); B01J 19/24 (2006.01); C08F 2/01 (2006.01); G06F 19/00 (2011.01); C08F 2/12 (2006.01); C08F 2/18 (2006.01);
U.S. Cl.
CPC ...
B01J 19/2435 (2013.01); B01J 19/245 (2013.01); C08F 2/01 (2013.01); C08F 2/12 (2013.01); C08F 2/18 (2013.01); G06F 17/50 (2013.01); G06F 19/701 (2013.01); B01J 2219/00051 (2013.01); B01J 2219/00094 (2013.01);
Abstract
A process comprises polymerizing an olefin monomer in a loop reactor in the presence of a catalyst and a diluent, and producing a slurry comprising solid particulate olefin polymer and diluent. The Biot number is maintained at or below about 3.0 within the loop reactor during the polymerizing process. The slurry in the loop reactor forms a slurry film having a film coefficient along an inner surface of the reactor wall, and the film coefficient is less than about 500 BTU·hr·ft·° F..