Diesel particulate filter

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Mixture is exhaust from internal-combustion engine

Reexamination Certificate

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Details

Other Related Categories

C502S312000, C423S212000, C423S213200

Type

Reexamination Certificate

Status

active

Patent number

07625538

Description

ABSTRACT:
The invention provides a process and filter for catalytic purification of exhaust gas from a diesel engine by passing the exhaust gas through a wall flow filter provided with material being catalytic active in the reduction of nitrogen oxides to nitrogen and oxidation of carbonaceous compounds to carbon dioxide and water. The wall flow filter is prepared from silicon carbide and provided with a layer of titanium dioxide on its surface and wherein the catalytic active material comprises oxides of vanadium, tungsten and metallic palladium.

REFERENCES:
patent: 4522357 (1985-06-01), Bains et al.
patent: 4968322 (1990-11-01), Miyawaki et al.
patent: 5593464 (1997-01-01), Cook et al.
patent: 5756057 (1998-05-01), Tsuchitani et al.
patent: 6488725 (2002-12-01), Vincent et al.
patent: 6753294 (2004-06-01), Brisley et al.
patent: 2003/0104932 (2003-06-01), Kim
patent: 2004/0033175 (2004-02-01), Ohno et al.
patent: 0 888 816 (1999-01-01), None
patent: 1 214 973 (2002-06-01), None
patent: 1 338 322 (2003-08-01), None
patent: WO 02/26351 (2002-04-01), None

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