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AssigneeJohnson Matthey Public Limited Company
InventorsDavid BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST, Gavin Michael BROWN
Estimating the term…
A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.
-20. (canceled)
A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises a plurality of layers on the filtering substrate, wherein a layer comprises:
Dependencies are inferred from the claim text.