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:
Sep. 21, 2021
Filed:
May. 18, 2018
Applicant:
Umicore Ag & Co. KG, Hanau-Wolfgang, DE;
Inventors:
Assignee:
UMICORE AG & CO. KG, Hanau-Wolfgang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/44 (2006.01); B01J 35/00 (2006.01); B01D 53/94 (2006.01); B01J 29/76 (2006.01); B01J 35/04 (2006.01); F01N 3/08 (2006.01); F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
B01J 29/7615 (2013.01); B01D 53/945 (2013.01); B01J 23/44 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); F01N 3/0814 (2013.01); F01N 3/0835 (2013.01); F01N 3/101 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/502 (2013.01); B01D 2255/504 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/912 (2013.01); F01N 2570/12 (2013.01);
Abstract
The present invention relates to a catalyst comprising a carrier substrate of the length L extending between substrate ends a and b and two washcoat zones A and B, wherein washcoat zone A comprises a zeolite having a smallest lower channel width of at least 0.4 nm and extends starting from substrate end a over a part of the length L, and washcoat zone B comprises the same components as washcoat A and palladium and extends from substrate end b over a part of the length L, wherein L=L+L, wherein Lis the length of washcoat zone A and Lis the length of substrate length B.