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.

Date of Patent:
Mar. 25, 2025

Filed:

Apr. 30, 2020
Applicant:

Basf Mobile Emissions Catalysts Llc, Iselin, NJ (US);

Inventors:

Kevin Beard, Iselin, NJ (US);

Robert Dorner, Hannover, DE;

Jan Martin Becker, Hannover, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B01J 21/06 (2006.01); B01J 21/08 (2006.01); B01J 23/648 (2006.01); B01J 29/72 (2006.01); B01J 35/00 (2006.01); B01J 37/02 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); B01J 21/063 (2013.01); B01J 21/08 (2013.01); B01J 23/6482 (2013.01); B01J 29/723 (2013.01); B01J 35/19 (2024.01); B01J 37/0215 (2013.01); F01N 2570/14 (2013.01); F01N 2570/18 (2013.01); F01N 2590/08 (2013.01);
Abstract

The present disclosure relates to a catalyst for the oxidation of NO, for the oxidation of ammonia and for the selective catalytic reduction of NOx, the catalyst comprising a flow-through substrate, a first coating comprising one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron, a second coating comprising a platinum group metal component supported on a non-zeolitic oxidic material and further comprising one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron and a third coating comprising a platinum group metal component supported on an oxidic material. The present disclosure further relates to an exhaust gas treatment system comprising said catalyst.


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