| abstract |
A catalyst for purifying exhaust gases contains: a catalyst support, a zeolite layer formed on the catalyst support, and noble metals such as platinum, palladium, rhodium and the like loaded on the zeolite layer by a predetermined parts by weight or more with respect to 100 parts by weight of the zeolite layer. The catalyst for purifying exhaust gases maintains a superior exhaust gas conversion performance over a long period of time. |