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:
Apr. 09, 1991
Filed:
Jun. 16, 1989
Applicant:
Inventors:
Tom Huizinga, Amsterdam, NL;
Arend Hoek, Amsterdam, NL;
Hennie Schaper, Amsterdam, NL;
Aan H Klazinga, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 61 ; 502 66 ; 502 74 ;
Abstract
Process for the preparation of a zeolitic catalyst which comprises treating a zeolite of the Y-type having an alkali oxide/aluminum oxide molar ratio of at most 0.13 with a solution of a multi-valent metal salt having a cationic radius between 0.6 and 1.0 .ANG. and combining the ion-exchanged zeolite without a calcination step with a hydrogenation component of a Group VIII and/or Group VI(b) metal.