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:
Jul. 03, 1990
Filed:
Nov. 03, 1987
Applicant:
Inventors:
Samuel Tauster, Englishtown, NJ (US);
Lawrence Murrell, South Plainfield, NJ (US);
Charles R Penquite, Holmdel, NJ (US);
Joseph C Dettling, Howell, NJ (US);
Assignee:
Engelhard Corporation, Edison, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502251 ; 502303 ; 502304 ; 502324 ; 502326 ; 502328 ; 502331 ; 4232135 ;
Abstract
H.sub.2 S formation by three way catalyst is suppressed by incorporating copper, nickel, manganese or iron oxides into a monolith section downstream of the three way catalyst.