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:
Aug. 19, 1980
Filed:
Jan. 09, 1979
Applicant:
Inventor:
Carl V McDaniel, Laurel, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ; B01J / ;
U.S. Cl.
CPC ...
208120 ; 2524 / ;
Abstract
A zeolite containing hydrocarbon cracking catalyst characterized by exceptionally high catalytic acitivity, superior coke selectivity and relatively low rate earth content. The catalyst is prepared by combining into a suitable matrix a zeolite prepared by a combination of thermal stabilization, de-alumination and rare earth ion exchange.