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:
May. 13, 2025
Filed:
Jan. 26, 2021
Applicant:
Umicore Ag & Co. KG, Hanau-Wolfgang, DE;
Inventors:
Joel Despres, Rodenbach, DE;
Martin Roesch, Rodgau, DE;
Joerg-Michael Richter, Frankfurt, DE;
Carolin Braun, Langen, DE;
Marcus Schmidt, Ginsheim, DE;
Nicole Schichtel, Butzbach Hoch-Weisel, DE;
Assignee:
UMICORE AG & CO. KG, Hanau-Wolfgang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01D 53/94 (2006.01); B01J 21/06 (2006.01); B01J 23/10 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/63 (2006.01); B01J 35/00 (2006.01); B01J 35/10 (2006.01); F01N 3/10 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01D 53/945 (2013.01); B01J 23/10 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 35/19 (2024.01); F01N 3/101 (2013.01); F01N 3/2803 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2061 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/407 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/908 (2013.01); F01N 2370/02 (2013.01);
Abstract
The present invention relates to a catalyst comprising two layers on an inert catalyst carrier, a layer A containing at least palladium as a platinum group metal, in addition to a cerium/zirconium/lanthanum/yttrium mixed oxide, and a layer B, which is applied to layer A, containing at least rhodium as the platinum group metal, in addition to a cerium/zirconium/lanthanum/yttrium mixed oxide.