| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst enhanced in heat resistance utilizing the oxygen occlusion and discharge capacity of an CePr type composite oxide in the purification of exhaust gas. <P>SOLUTION: The catalyst layer 2 on a carrier 1 includes CePr type alumina compounded composite oxide powder, wherein primary particles of the CePr type composite oxide containing Ce and Pr and primary particles of alumina are flocculated to form secondary particles, and a catalytic metal. <P>COPYRIGHT: (C)2011,JPO&INPIT |
