Birch, Stewart, Kolasch & Birch, LLP
Catalyst for exhaust gas purification
An exhaust gas clean-up catalyst having a catalytic layer which contains, as an occluding agent, at least one (potassium and/or the like) chosen from a group consisting of alkaline metals and alkaline earth metals. The catalytic layer consists of a first catalytic layer (20) which contains the occluding agent (potassium and/or the like) and an acid material (30) having a high affinity to the occluding agent, and a second catalytic layer (40) which contains the occluding agent and does not contain the acid material.
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
B B B B B B B B B B B
B01D B01D B01J B01D B01D B01J B01D B01D B01J B01D B01J
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Kinichi Hiroshi Keisuke Osamu Tetsuya
Iwachido Tanada Tashiro Nakayama Watanabe