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:
Jul. 29, 2014
Filed:
Dec. 11, 2012
Applicant:
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Inventors:
Elizabeth A. Benham, Spring, TX (US);
Max P. McDaniel, Bartlesville, OK (US);
Ted H. Cymbaluk, Seabrook, TX (US);
Charles K. Newsome, Kingwood, TX (US);
Charles R. Nease, Kingwood, TX (US);
H. Kenneth Staffin, Colonia, NJ (US);
Thomas R. Parr, Hillsborough, NJ (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J 19/00 (2006.01); G05D 23/00 (2006.01); G05D 7/00 (2006.01); B01J 8/18 (2006.01); F27B 15/00 (2006.01); B01J 8/02 (2006.01); B01J 35/02 (2006.01); G05D 21/00 (2006.01); C08F 2/00 (2006.01); C08F 4/00 (2006.01); B01J 23/00 (2006.01); B01J 23/90 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and systems for preparing catalyst, such as chromium catalysts, are provided. The valence of at least a portion of the catalyst sent to an activator is changed from Cr(III) to Cr(VI). The catalyst is prepared or activated continuously using a fluidization bed catalyst activator.