Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1996-03-11
1998-12-15
Langel, Wayne
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502330, 502332, 502333, 502334, 502344, 502348, B01J 2342, B01J 2344, B01J 2356, B01J 2358
Patent
active
058496610
ABSTRACT:
An automotive exhaust catalyst includes an alumina support having pores, an NO.sub.x, storage member loaded in the pores having a pore diameter of from 10 to 30.ANG. at least, and a noble metal element loaded on the alumina support. The automotive exhaust catalyst can store NO.sub.x, in a large amount in fuel-lean or oxygen-rich atmosphere, and inhibit the alumina support from sintering, because the NO.sub.x storage member is loaded in a highly dispersed manner.
Itakura Satomi
Takeshima Shinichi
Tanaka Toshiaki
Yamashita Tetsuya
Langel Wayne
Toyota Jidosha & Kabushiki Kaisha
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