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:
Jun. 29, 1976
Filed:
Oct. 16, 1974
Applicant:
Inventors:
David Evan Vaughan, Columbia, MD (US);
Grant Campbell Edwards, Silver Spring, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423329 ; 2524 / ; 423328 ;
Abstract
A process for preparing a synthetic ferrierite having the absorption and catalytic properties characteristic of 5 to 8 angstrom zeolites which comprises treating a reaction mixture consisting of strontium, calcium and/or sodium, lithium or magnesium salts, a source of silica and a source of alumina and water with natural or synthetic ferrierite seeds and heating to convert the mass to the synthetic ferrierite.