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:
Dec. 10, 1991
Filed:
Mar. 21, 1991
Applicant:
Inventor:
John H Kolts, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502324 ; 502310 ; 423437 ;
Abstract
An improved process of preparing a composition, which is effective as a CO oxidation catalyst and contains (a) a SnO.sub.2 -coated porous ceramic material, (b) Pt and/or Pd and (c) at least one compound of Mn and/or Cr, requires the preparation of component (a) by impregnation of a porous ceramic material (preferably a monolith) with a tin carboxylate solution, followed by drying and calcining (so as to decompose tin carboxyte to tin dioxide).