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:
Feb. 14, 2012
Filed:
Dec. 20, 2007
Elizabeth A. Benham, Spring, TX (US);
Max P. Mcdaniel, Bartlesville, OK (US);
Ted H. Cymbaluk, Pasadena, 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);
Elizabeth A. Benham, Spring, TX (US);
Max P. McDaniel, Bartlesville, OK (US);
Ted H. Cymbaluk, Pasadena, 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);
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
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.