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:
Sep. 08, 1992
Filed:
Apr. 08, 1991
Applicant:
Inventors:
Michel Deeba, North Brunswick, NJ (US);
James M Chen, Edison, NJ (US);
Yiu K Lui, Parlin, NJ (US);
Barry K Speronello, Belle Mead, NJ (US);
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502242 ;
Abstract
A sulfur-resistant CO, hydrocarbon and SO.sub.x oxidation catalyst is provided comprising silica particles which have been coated with titania or zirconia or precursors thereof and which have deposited thereon a precious metal such as platinum. The coated silica catalyst can be included in a washcoat for application to a ceramic honeycomb carrier.