Nox purification catalyst
AssigneesCambridge Enterprise Limited, Toyota Jidosha Kabushiki Kaisha
InventorsMayuko OSAKI, Hirohito HIRATA, Naoyuki HARA, Brian JOHNSON, Andrew WHEATLEY, Helen SKELTON, Muriel LEPAGE
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Abstract
The present invention relates to a catalyst able to exhibit an NOx purification performance at a low temperature and/or in an oxidizing atmosphere, that is, a nitrogen oxides purification catalyst composed of particles having an average particle size of 0.2 to 100 nm and including gold atoms and iron atoms in a state of close proximity.
Claims6
A nitrogen oxide purification catalyst comprising particles having an average particle size of 0.2 to 100 nm and including gold atoms and iron atoms in a state of close proximity.
Dependencies are inferred from the claim text.