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. 17, 1989
Filed:
Apr. 12, 1988
Applicant:
Inventor:
Aan Hendrik 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 ; 502 79 ;
Abstract
Process for the preparation of a modified zeolite of the Y-type by treatment with a solution of a metal salt and a calcination which comprises treating a zeolite of the Y-type having an alkali oxide/aluminium oxide molar ratio of at most about 0.13 with a solution of a multi-valent metal salt having a cationic radius between about 0.6 and about 1.0.ANG. and converting it by calcination into a product having a unit cell size between about 24.21.ANG. and about 24.65.ANG..
Quick Actions:
Klazinga, Aan. (1989). Process for the preparation of modified zeolites (U.S. Patent No. 4874730). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4874730
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile