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. 30, 2017
Filed:
Jan. 06, 2014
Umicore Ag & Co. KG, Hanau-Wolfgang, DE;
Ruediger Hoyer, Alzenau-Hoerstein, DE;
Anke Schuler, Woerth, DE;
Elena Mueller, Pfungstadt, DE;
Thomas Utschig, Frankfurt am Main, DE;
Gerald Jeske, Neuberg, DE;
UMICORE AG & CO. KG, Hanau-Wolfgang, DE;
Abstract
The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active coatings on a support body, wherein a lower coating A contains cerium oxide, and platinum and/or palladium, but no alkaline earth metal compound, and an upper coating B which is disposed above coating A contains an alkaline earth metal compound, a basic mixed magnesium-aluminum oxide, and platinum and palladium, and to a method for converting NOin exhaust gases of motor vehicles which are operated with lean-burn engines.