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US 2001/0041658 A1Published application
Exhaust gas purifying catalyst
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsTomomi Sugiyama, Kazuhide Terada, Takeshi Narishige
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Abstract
An exhaust gas purifying catalyst has an Ir powder. The Ir powder has a two peak particle size distribution, with a peak in a particle size D>25 nm region, and the other peak in a particle size D<25 nm region, respectively.
Claims8
An exhaust gas purifying catalyst having an Ir powder, wherein the Ir powder has a two peak particle size distribution, with a first peak in a particle size D>25 nm region, and a second peak in a particle size D<25 nm region, respectively.
An exhaust gas purifier comprising:
- a honeycomb having a cell;
- and
- a catalyst supported on an inner surface of said cell of said honeycomb, said catalyst containing an Ir powder, wherein the Ir powder has a two peak particle size distribution, with a first peak in a particle size D>25 nm region, and a second peak in a particle size D<25 nm region, respectively.
Dependencies are inferred from the claim text.