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US Patent 11623179 Catalytically active particulate filter

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Contents

Is a
Patent
Patent
0

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116231790
Patent Inventor Names
Naina Deibel0
Stephanie Spiess0
Martin Roesch0
Jan Schoenhaber0
Date of Patent
April 11, 2023
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Patent Application Number
169542990
Date Filed
December 14, 2018
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Patent Citations
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US Patent 10159934 Exhaust gas purification catalyst
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US Patent 10071342 Three-way catalytic converter
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US Patent 10071368 Exhaust gas purification catalyst
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US Patent 10076725 Exhaust gas purification catalyst
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US Patent 10125649 Exhaust gas purification catalyst
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US Patent 10201805 Exhaust gas purification apparatus
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US Patent 10344655 Exhaust gas purification catalyst
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US Patent 10357744 Exhaust gas purification device
0
...
Patent Primary Examiner
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Cam N. Nguyen
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CPC Code
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B01J 21/08
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B01J 21/12
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B01J 23/42
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B01J 23/44
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B01J 23/464
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B01J 23/63
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B01D 53/945
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F01N 3/035
0
...

The present invention relates to a particulate filter which comprises a wall-flow filter of length L and two different catalytically active coatings Y and Z, wherein the wall-flow filter comprises channels E and A that extend in parallel between a first and a second end of the wall-flow filter and are separated by porous walls which form the surfaces O

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