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:
Aug. 10, 1976
Filed:
Apr. 08, 1975
Applicant:
Inventors:
Roger Jean Lussier, Ellicott City, MD (US);
John Storey Magee, Jr, Cooksville, MD (US);
Edwin Wolf Albers, Annapolis, MD (US);
George John Surland, Woodbine, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
252453 ; 2524 / ;
Abstract
An amorphous hydrocarbon cracking catalyst of high activity is prepared by mixing solutions of sodium silicate and sodium aluminate, allowing the gel and age, acidulating said gel to precipitate the excess aluminate and ion exchanging after drying to accomplish removal of the alkali metal.