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US 9,067,197 B2Granted
Catalyst, process for producing the catalyst, use of the catalyst
AssigneeMan Truck & Bus AG
InventorAndreas Doering
Life of this patent
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Abstract
A catalyst especially for oxidation of exhaust gas constituents, for example nitrogen oxide, preferably nitrogen monoxide, consists of a particulate support material composed of titanium-containing nanoparticles, preferably titanium oxide nanoparticles, especially titanium dioxide nanoparticles coated with platinum, especially platinum particles. A process for producing such a catalyst.
Claims18
A catalyst for oxidation of exhaust gas constituents including nitrogen oxide, the catalyst comprising:
- a particulate support material composed of titanium-containing nanoparticles;
- a platinum coating, wherein the support material is coated with the platinum coating;
- and
- bridges arranged between and joining at least one of a plurality of platinum particles of the platinum coating and a plurality of support material particles of the support material, the bridges containing metal oxide and at least one of silicon and tungsten.
1 more element
Dependencies are inferred from the claim text.