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:
Jan. 11, 1977
Filed:
Jun. 27, 1975
Applicant:
Inventor:
Sigmund M Csicsery, Lafayette, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2524 / ;
Abstract
A method is disclosed for increasing the acid catalytic activity of a crystalline zeolitic aluminosilicate having a Group IIA cation as a substantial portion of its cations, having at least 6-Angstrom-sized pores and being substantially free of hydrogen cations. The activating procedure comprises in sequence a treatment with a reducing atmosphere followed by a treatment with an oxygen-containing gas, the former treatment being at a temperature above 700.degree. C.