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:
Dec. 14, 2010
Filed:
Aug. 31, 2009
Applicants:
Alexandr Yu. Stakheev, Moscow, RU;
Pär Gabrielsson, Helsingborg, SE;
Inventors:
Alexandr Yu. Stakheev, Moscow, RU;
Pär Gabrielsson, Helsingborg, SE;
Assignee:
Haldor Topsøe A/S, Lyngby, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/56 (2006.01); B01D 53/86 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for reducing nitrogen oxides to nitrogen in an exhaust gas comprising passing the exhaust gas in the presence of an oxygen-containing organic reducing agent through a catalyst system comprising at least two catalyst beds, in which a first catalyst bed comprises only alumina and a second catalyst bed downstream comprises only indium supported on alumina.