| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst for cleaning exhaust gas with a simple manufacturing step capable of retaining a high cleaning ratio for a long period of time, and its manufacturing method. <P>SOLUTION: The catalyst 1 for cleaning the exhaust gas has a precious metal particle 2 contacted with the exhaust gas to generate a catalytic reaction, an oxide base material particle 3 for fixing and carrying the precious metal particle 2 by a metal bond, and an oxide primary particle 4 for surrounding the oxide base material particle 3 carrying the precious metal particle 2. <P>COPYRIGHT: (C)2007,JPO&INPIT |
