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EP0056584A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Bifunctional filter for the treatment of waste gas

Assignee: BASF Catalysts Germany GmbH
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Filing: 1982-01-07
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Granted: —
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Expires: 2002-01-07
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Abstract

Abstract 1. Bifunctional filter for the treatment of exhaust gases, in particular exhaust gases from diesel engines, by purifying the exhaust gases of solid particles by filtration and of gaseous harmful substances by catalytic treatment, comprising inlet and outlet chambers (4, 5) for the exhaust gases with the chambers (4, 5) separated from each other by walls (2) which consist of ceramic material and are permeable to gas but impermeable to particles, characterized in that only the sides of the walls (2) facing the outlet chambers (5) are coated with catalytically active material (6).

Inventors

  • 👤 Wilhelm Dipl.-Ing. Wolsing

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 00:42
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/9445; B01D53/9454; F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/022; F01N3/0222; F01N3/033; F01N3/035; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2803; F01N3/2825; F01N3/2828; F01N2250/00; F01N2250/02; F01N2330/00; F01N2330/06; F02; F02B; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

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References Cited (Backward Citations)

DE750701C Cited
DE884904C Cited
DE2539964A1 Cited
DE2951316A1 Cited

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