abstract |
An exhaust gas purifying catalyst 1 has a composite compound 2 in which a metal selected from among Al, Ce, La, Zr, Co, Mn, Fe, Mg, Ba and Ti is uniformly dispersed on an oxide selected from among Al 2 O 3 , ZrO 2 and CeO 2 , and a precious metal 4 selected from among Pt, Pd and Rh, supported on a compound 3 of the metal, and covered with the composite compound 2. |