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. 13, 1976
Filed:
Jun. 05, 1974
Applicant:
Inventors:
James Richard Graham, Columbia, MD (US);
Michael Vance Ernest, Baltimore, MD (US);
James Michael Maselli, Ellicott City, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252439 ; 4232135 ;
Abstract
A process for preparing a catalyst that has improved activity and efficiency for conversion of hydrocarbons is disclosed. The catalyst is prepared by applying sulfito complexes have the emperical formula M.sub.6 (x) (SO.sub.3).sub.4 where M is H+ NA+, K+ or NH.sub.4 + and x is platinum, palladium or mixtures thereof. In addition, the compounds M.sub.2 (x) (SO.sub.3).sub.2 and M.sub.2 (x) (SO.sub.3).sub.2 also have utility in our process. The complex salt is impregnated onto a support and activated by calcination in air or heating in a reducing atmosphere.