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:
Oct. 12, 2021
Filed:
Aug. 24, 2018
Applicant:
Umicore Ag & Co. KG, Hanau-Wolfgang, DE;
Inventors:
Christoph Hengst, Butzbach, DE;
Frank-Walter Schuetze, Aschaffenburg, DE;
Michael Lennartz, Frankfurt, DE;
Assignee:
UMICORE AG & CO. KG, Hanau-Wolfgang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/67 (2006.01); B01J 37/02 (2006.01); B01J 29/76 (2006.01); B01J 29/74 (2006.01); B01J 35/04 (2006.01); B01D 53/94 (2006.01); F01N 3/28 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01J 29/67 (2013.01); B01D 53/9418 (2013.01); B01D 53/9422 (2013.01); B01D 53/9431 (2013.01); B01D 53/9468 (2013.01); B01D 53/9477 (2013.01); B01J 29/7476 (2013.01); B01J 29/763 (2013.01); B01J 35/04 (2013.01); B01J 37/0225 (2013.01); B01J 37/0244 (2013.01); B01J 37/0246 (2013.01); F01N 3/2066 (2013.01); F01N 3/2803 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/50 (2013.01); B01D 2255/904 (2013.01); B01D 2255/9025 (2013.01); B01D 2255/91 (2013.01); F01N 2370/04 (2013.01); F01N 2610/1453 (2013.01);
Abstract
The invention relates to a catalyst which comprises a carrier substrate, palladium, and a zeolite, the largest channels of which are formed by 10 tetradrically coordinated atoms; to the use of said catalyst as a passive nitrogen oxide adsorber, an exhaust gas system which contains said catalyst and an SCR catalyst, and to a method for purifying the exhaust gas of motor vehicles using said exhaust gas system.