Catalytically active particle filter with a high degree of filtration efficiency

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United States of America Patent

PATENT NO 12018605
APP PUB NO 20230127269A1
SERIAL NO

18069736

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Abstract

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The invention relates to a wall-flow filter as a particle filter with catalytically active coatings in the channels which are closed in a gas-tight manner at the opposing closed ends of the channels A at the first end, wherein the inlet region of the filter is additionally supplied with a dry powder-gas aerosol which contains metal compounds with a high melting point (such as the metal oxides Al2O3, SiO2, FeO2, TiO2, ZnO2, etc. for example) and which is to simultaneously improve the catalytic activity and the degree of filtration efficiency with respect to the exhaust gas back-pressure.

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Patent Owner(s)

Patent OwnerAddress
UMICORE AG & CO KGRODENBACHER CHAUSSEE 4 63457 HANAU-WOLFGANG 63457

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deibel, Naina Pfungstadt, DE 22 76
Foerster, Martin Büdingen, DE 25 122
Gensch, Manuel Aschaffenburg, DE 6 20
Koch, Juergen Hanau, DE 36 191
Oltersdorf, Antje Freiburg, DE 6 24
Schoenhaber, Jan Darmstadt, DE 39 156

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