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:
May. 12, 1987
Filed:
Mar. 17, 1986
Applicant:
Inventors:
Brent J Bertus, Bartlesville, OK (US);
Dwight L McKay, Bartlesville, OK (US);
H Wayne Mark, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208114 ; 208113 ; 208 / ; 208120 ; 502 64 ; 502521 ;
Abstract
A method to restore the activity of a cracking catalyst which has been deactivated at least partially by metals contamination which involves contacting the cracking catalyst with an aluminum containing treating agent.