Composite oxide for exhaust gas purifying catalyst and exhaust gas purifying catalyst, and diesel exhaust gas purifying filter

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United States of America Patent

PATENT NO 8629078
APP PUB NO 20090288401A1
SERIAL NO

12312869

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Abstract

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To provide an oxidation catalyst capable of burning PM of diesel engine exhausts gas at a low temperature, and hardly subjected to poisoning due to sulfur oxide. A composite oxide contains Ce, Bi, and M (wherein M is one or more elements selected from Mg, Ca, Sr, and Ba) and oxygen, and is manufactured, with a molar ratio of Ce, Bi, M expressed by Ce:Bi:M=(1−x−y):x:y, satisfying 0

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Patent Owner(s)

Patent OwnerAddress
DOWA ELECTRONICS MATERIALS CO LTDTOKYO TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kaneshiro, Yuki Tokyo, JP 6 21
Nagatomi, Akira Tokyo, JP 41 1164
Yano, Takuya Tokyo, JP 11 37

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