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US 2023/0330640 A1Published application
Particulate Filter
AssigneeBASF SE
InventorsJun Cong JIANG, Ye Hui WU, Florian WALTZ, Attilio SIANI, Thomas SCHMITZ, Shau Lin CHEN
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Abstract
Disclosed herein is a particulate filter for use in an emission treatment system of an internal combustion engine. The particulate filter provides high fresh filtration efficiency and has minimal to no impact on backpressures.
Claims20
A particulate filter for exhaust gas treatment from an internal combustion engine comprising:
- (1) a filter having an inlet side and an outlet side;
- and
- (2) a functional material layer coated onto the inlet side, the outlet side, or both sides of the filter;
- wherein the functional material layer comprises calcium aluminate.
1 more element
Dependencies are inferred from the claim text.