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:
Sep. 29, 1992
Filed:
Feb. 15, 1991
Applicant:
Inventors:
Chia-Min Fu, Bartlesville, OK (US);
Michael K Maholland, Bartlesville, OK (US);
Richard E Lowery, Muscatine, IA (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 27 ; 502516 ; 502521 ; 208 / ;
Abstract
A spent metal contaminated zeolite-containing catalytic cracking catalyst composition is reactivated by a process which comprises contacting with an aqueous solution of HC1 and/or HNO.sub.3 and/or H.sub.2 SO.sub.4. The thus reactivated catalyst composition can be employed in a catalytic cracking process.