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AssigneeBASF SE
InventorsGary A. Gramiccioni, Jaya L. Mohanan, John K. Hochmuth, Kenneth R. Brown, Brian Todd Jones
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Described are catalytic articles comprising a substrate having a washcoat on the substrate, the washcoat containing a catalytic component having a first average (D50) particle size and a functional binder component having a second average (D50) particle size in the range of about 10 nm to about 1000 nm, wherein the ratio of the first average (D50) particle size to the second average (D50) particle size is greater than about 10:1. The catalytic articles are useful in methods and systems to purify exhaust gas streams from an engine.
-18. (canceled)
A method of purifying exhaust gases, the method comprising contacting the exhaust gases with a catalytic article for purification of exhaust gases of combustion engines comprising a substrate having a washcoat on the substrate, the washcoat containing a catalytic component having a first average (D50) particle size and a functional binder component having a second average (D50) particle size of about 10 nm to about 1000 nm,
A method of preparing a washcoat, the method comprising
Dependencies are inferred from the claim text.