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:
May. 21, 2002
Filed:
Feb. 09, 2000
Applicant:
Inventors:
Danan Dou, Tulsa, OK (US);
Owen H. Bailey, Claremore, OK (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/300 ; B01J 2/340 ; B01J 2/358 ; B01J 2/342 ;
U.S. Cl.
CPC ...
B01J 2/300 ; B01J 2/340 ; B01J 2/358 ; B01J 2/342 ;
Abstract
A NO adsorber catalyst system for treatment of gases in an exhaust discharge passage of an internal combustion engine comprising: a first adsorber catalyst supporting effective amounts of at least one noble metal component and a Ba component; and, a second adsorber catalyst supporting effective amounts of at least one noble metal catalyst, a Ba component, and a K component.