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. 25, 2000
Filed:
May. 07, 1997
Applicant:
Inventors:
Michel Deeba, North Brunswick, NJ (US);
Yiu Kwan Lui, Parlin, NJ (US);
Joseph C Dettling, Howell, NJ (US);
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
4232135 ; 502 66 ; 502 67 ; 502 69 ;
Abstract
A catalyst composition and structure containing the same and methods for treating diesel exhaust including a catalyst comprising a precious metal on a support, a first zeolite component in the presence of a precious metal and a second zeolite component comprising a zeolite and a precious metal, and a non-catalytic pore-containing zeolite.