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:
Mar. 20, 1984
Filed:
Nov. 09, 1981
Applicant:
Inventors:
Ralph M Dessau, Edison, NJ (US);
George T Kerr, Lawrenceville, NJ (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 71 ; 502 77 ; 423328 ;
Abstract
A method for enhancing the activity of high silica zeolites, i.e. having a silica-to-alumina ratio greater than 100 which have been synthesized from a reaction mixture containing tetraalkylammonium ions is disclosed which involves calcining the as synthesized zeolites, treatment of the same with aluminum chloride, followed by hydrolysis and calcination in order to obtain materials having an enhanced activity.