CATALYST FOR REDUCING NITROGEN OXIDES

The present invention relates to a nitrogen oxide storage catalyst comprising a support body and washcoat layers A, B, C and D, wherein - washcoat layer A is disposed on the support body and contains cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and also platinum or...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HOYER, Ruediger, MUELLER, Elena
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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