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. 13, 1977
Filed:
Oct. 04, 1976
Applicant:
Inventor:
James R Murphy, Houston, TX (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 89 ; 2082 / ; 252416 ;
Abstract
An integrated process is described wherein a heavy oil catalytic cracking unit is integrated with a pretreating zone. In the pretreating zone, petroleum feedstock is contacted, in the presence of hydrogen, with used equilibrium catalyst purged from the cracking zone to reduce the metals, carbon residue, and sulfur content of the petroleum feedstock prior to charging the feedstock to the cracking zone of the heavy oil catalytic cracking unit.