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US 6,319,440 B1Granted
Deodorant material
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsKoe Enmanji, Itsuo Nishiyama, Kenzo Takahashi
Life of this patent
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Abstract
A deodorant material which comprises, as a carrier, granular or fibrous active carbon treated by either oxidizing treatment or acid-attaching treatment, or polystyrene sulfonic acid, and a cupric ion supported on the carrier.
Claims2
A method for deodorizing an air flow containing H2S, comprising deodorizing said air flow by passing it through a deodorant material, said deodorant material comprising (a) a carrier which has been prepared by treating granular or fibrous active carbon by an oxidizing treatment, and (b) cupric ion supported on said carrier, H2S reacting with said cupric ion.
Dependencies are inferred from the claim text.