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:
Nov. 04, 2025

Filed:

Apr. 27, 2021
Applicants:

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

Heesung Catalysts Corporation, Seoul, KR;

Inventors:

Matthias Peter, Hannover, DE;

Claudia Zabel, Hannover, DE;

Maria Heenemann, Hannover, DE;

Wen-Mei Xue, Iselin, NJ (US);

Eunseok Kim, Siheung-si, KR;

Narayana K Rao, Sihenug-si, KR;

David Pollick, Iselin, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/56 (2006.01); B01D 53/94 (2006.01); B01J 21/04 (2006.01); B01J 35/30 (2024.01); B01J 35/77 (2024.01); B01J 37/02 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01J 29/56 (2013.01); B01D 53/94 (2013.01); B01J 21/04 (2013.01); B01J 37/0225 (2013.01); F01N 3/2073 (2013.01); B01J 35/30 (2024.01); B01J 35/77 (2024.01); B01J 2235/10 (2024.01); B01J 2235/30 (2024.01);
Abstract

The present invention relates to a composition comprising a non-zeolitic oxidic material comprising alumina; an 8-membered ring pore zeolitic material comprising one or more of copper and iron, wherein the framework structure of the zeolitic material comprises a tetravalent element Y, a trivalent element X and oxygen, wherein the molar ratio of Y:X, calculated as YOXO, is in the range of from 2:1 to 40:1; wherein at least part of the outer surface of the zeolitic material is covered by a layer comprising the non-zeolitic oxidic material; wherein Y comprises one or more of Si, Sn, Ti, Zr and Ge and X comprises one or more of Al, B, In and Ga.


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