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 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 ; 502 79 ;
Abstract
Process for the preparation of a modified zeolite by treatment with a solution of one or more metal salts and a calcination which comprises treating a zeolite having an alkali oxide/aluminium oxide molar ratio between about 0.13 and about 1 with a solution of a salt of a multi-valent metal-ion having an atomic number of from about 12 to about 83 and converting it by calcination into a product having a unit cell size between about 24.21 and about 24.60 .ANG..
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Klazinga, Aan. (1989). Process for the preparation of modified zeolites (U.S. Patent No. 4874729). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4874729
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile