Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1990-02-05
1991-05-28
Shine, William J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
4232135, B01J 2104, B01J 2106, B01J 2310, B01J 2340
Patent
active
050195468
ABSTRACT:
A catalyst for purifying exhaust gas, comprising a catalyst carrier, a first coating layer formed on a surface of the catalyst carrier and mainly consisting of active alumina oxide containing platinum and rhodium and a second coating layer formed on a surface of the first coating layer and mainly consisting of palladium and composite powder including zirconium oxide and lanthanum oxide fixed on a surface of cerium oxide, and a method of manufacturing the catalyst.
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Summers et al., "Interaction of Cerium Oxide with Noble Metals", Journal of Catalysis 58, 131-143 (1979).
Koishi Masayuki
Murakami Hiroshi
Yamagata Kazuko
Yatagai Shoko
Mazda Motor Corporation
McGinty Douglas J.
Shine William J.
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