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:
Apr. 27, 1982
Filed:
Feb. 14, 1980
Applicant:
Inventors:
Harold W Mark, Bartlesville, OK (US);
Ernest A Zuech, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2524 / ; 2604297 ; 2524 / ;
Abstract
Compositions comprising tin (II) and antimony (III) dihydrocarbylphosphorodithioates are disclosed which are usefully employed to treat metals contaminated catalytic cracking catalysts. A method for the preparation of the tin compound is also disclosed comprising reacting a dihydrocarbyl phosphorodithioic acid with a tin (II) salt of a carboxylic acid to form a reaction product which can be employed in conjunction with the antimony compound without further purification.