Patent ID: 9440192
Filing Date: 2016-09-13
CPC Classification: B01D,B01J,F01N,Y02T

Claim Text:
1. An oxidation catalyst composite for abatement of exhaust gas emissions from an engine comprising: a carrier substrate having a length, an inlet end and an outlet end, a diesel oxidation catalyst catalytic material on the carrier, the diesel oxidation catalyst catalytic material including a first washcoat layer and a second washcoat layer, the first washcoat layer comprising a palladium (Pd) component supported by a first refractory metal oxide support including cerium, the first washcoat layer being substantially free of a molecular sieve and being substantially free of barium and lanthanum and platinum; and the second washcoat layer comprising a second refractory oxide support, a platinum component and a molecular sieve, the second washcoat layer being substantially free of barium and lanthanum.