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:
Jan. 25, 2022
Filed:
Dec. 20, 2017
Applicant:
Umicore Ag & Co. KG, Hanau-Wolfgang, DE;
Inventors:
Stephan Malmberg, Frankfurt, DE;
Nicola Soeger, Nidderau, DE;
Assignee:
UMICORE AG & CO. KG, Hanau-Wolfgang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B01J 35/00 (2006.01); B01D 53/94 (2006.01); B01J 23/30 (2006.01); B01J 29/76 (2006.01); B01J 35/04 (2006.01); B01J 37/02 (2006.01);
U.S. Cl.
CPC ...
B01J 35/0006 (2013.01); B01D 53/9418 (2013.01); B01J 23/30 (2013.01); B01J 29/7615 (2013.01); B01J 35/04 (2013.01); B01J 37/0244 (2013.01); F01N 3/2066 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/20707 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/50 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01);
Abstract
The invention relates to a catalyst device for purifying exhaust gases containing nitrogen oxide by means of selective catalytic reduction (SCR), comprising at least two catalytic regions, the first region containing vanadium oxide and cerium oxide, and the second region containing a molecular sieve containing iron. The invention also relates to uses, the catalyst device and methods for purifying exhaust gases.