Exhaust purifying catalyst for use in an internal combustion engine and method of manufacturing same

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United States of America Patent

PATENT NO 5332554
SERIAL NO

07961200

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Abstract

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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 Owner(s)

Patent OwnerAddress
TOKYO ROKI CO LTD12-3 NAKAMACHIDAI 3-CHOME TSUZUKI-KU YOKOHAMA-SHI KANAGAWA 2240041 ?2240041

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ihara, Kazunori Iwakuni, JP 6 116
Yasaki, Shigeru Tokyo, JP 3 64
Yoshino, Yasutaka Machida, JP 3 64

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