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. 19, 2005
Filed:
Oct. 10, 2000
Applicants:
Lin He, Horseheads, NY (US);
Steven B. Ogunwumi, Corning, NY (US);
Inventors:
Lin He, Horseheads, NY (US);
Steven B. Ogunwumi, Corning, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J023/34 ;
U.S. Cl.
CPC ...
Abstract
A method for reducing NOin lean exhaust gases to Nincludes injecting a fuel into the exhaust gases and passing the exhaust gases and fuel mixture through a catalyst to reduce the NOto N. The catalyst may be (a) a perovskite compound, (b) at least one metal oxide impregnated with at least one precious metal, (c) a zeolite impregnated with at least one precious metal, or (d) a combination of a zeolite and at least one metal oxide impregnated with at least one precious metal.