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:
Mar. 15, 2016
Filed:
Mar. 20, 2009
Applicants:
Lawrence L. Upson, Barrington, IL (US);
Brian W. Hedrick, Oregon, IL (US);
Keith Allen Couch, Arlington Heights, IL (US);
Inventors:
Lawrence L. Upson, Barrington, IL (US);
Brian W. Hedrick, Oregon, IL (US);
Keith Allen Couch, Arlington Heights, IL (US);
Assignee:
UOP LLC, Des Plaines, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 51/04 (2006.01); B01J 8/26 (2006.01); C10G 51/02 (2006.01); C10G 11/05 (2006.01); C10G 51/06 (2006.01);
U.S. Cl.
CPC ...
C10G 51/026 (2013.01); C10G 11/05 (2013.01); C10G 51/06 (2013.01);
Abstract
One exemplary embodiment can be a process for fluid catalytic cracking. The process can include withdrawing a catalyst from a reaction vessel to replace a catalyst inventory over a period of about 10- about 35 days for maximizing propylene yield.