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:
Oct. 20, 1987
Filed:
Apr. 10, 1986
Applicant:
Inventor:
Lloyd A Pine, Baton Rouge, LA (US);
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 73 ; 502 65 ;
Abstract
A rare earth stabilized aluminum deficient zeolite having the structure of faujasite is provided. The zeolite is produced by contacting a Y-type zeolite with a dealuminating agent to remove aluminum from the crystal structure of the zeolite and ion exchanging the zeolite with a specified amount of rare earth metal cations to stabilize the aluminum deficient zeolite.