Nixon Peabody LLP
Exhaust gas purification catalyst and oxygen storage component for the same
In an exhaust gas purification catalyst comprising a honeycomb support and a catalytic layer that is formed on wall surfaces of each cell of the honeycomb support and contains active alumina and a mixed oxide containing Ce, Zr and Nd and doped with catalytic precious metal, the mixed oxide has a CeO2/ZrO2 mass ratio of 1.4 or more and the ratio of Nd2O3/(CeO2+ZrO2+Nd2O3) in the mixed oxide is 20 mass % or less.
Mazda Motor Corporation
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Masaaki Akihide Asako Hiroshi Hideharu Seiji
Akamine Takami Sadai Yamada Iwakuni Miyoshi