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:
Nov. 14, 1989
Filed:
Feb. 17, 1989
Applicant:
Inventor:
Julius Scherzer, Anaheim, CA (US);
Assignee:
Union Oil Company of California, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208120 ; 208121 ; 2082 / ;
Abstract
Hydrocarbon feedstocks containing relatively high levels of nitrogen contaminants are converted by catalytic cracking to products of lower average molecular weight by contacting the feedstock under cracking conditions with a cracking catalyst having a surface area of at least 150 m.sup.2 /gm and comprising greater than about 25 weight percent of a Y zeolite dispersed in a matrix containing a synthetic silica-alumina component in which the weight ratio of silica-to-alumina is preferably equal to or greater than about 0.10.