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:
Feb. 13, 2007
Filed:
Jul. 29, 2002
Applicant:
Tadao Nakatsuji, Espoo, FI;
Inventor:
Tadao Nakatsuji, Espoo, FI;
Assignees:
Valtion Teknillinen Tutkimuskeskus, Espoo, FI;
Isuzu Motors Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a catalyst structure for catalytic reduction of nitrogen oxides in exhaust gases by supplying and subjecting fuel to combustion with periodic rich/lean excursions and contacting the resulting exhaust gases with the catalyst structure, wherein the catalyst structure comprises, on an inactive substrate: