Exhaust gas purifying catalyst for use in an internal combustion

Details Exhaust gas purifying catalyst for use in an internal combustion Exhaust gas purifying catalyst for use in an internal combustion

1994-04-11

1996-06-11

McMahon, Timothy M.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 423220, 423230, 502304, B01D 5000

Patent

active

055253075

ABSTRACT:
An exhaust gas purifying catalyst for use in an internal combustion engine includes a porous monolithic carrier, a catalyst coating layer formed on a surface of the monolithic carrier and containing a catalytic material capable of purifying exhaust gases, and a palladium-supporting layer formed in the catalyst coating layer at a location close to an exhaust gas inlet end of the monolithic carrier. Palladium is distributed at a high concentration in the palladium-supporting layer.

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patent: 4118199 (1978-10-01), Volker et al.
patent: 4335023 (1982-06-01), Dettling et al.
patent: 4711009 (1987-12-01), Cornelison et al.
patent: 4985210 (1991-01-01), Minami
patent: 4985211 (1991-01-01), Akiyama et al.

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