Patents Assigned to Osaka Oxygen Ind Ltd.
  • Patent number: 4259299
    Abstract: A process for removing ozone from an ozone-containing gas which comprises treating the gas with a molded product obtained by the following steps,(a) wet-blending powdery or particulate activated carbon and zeolite in the presence of an organic binder and/or an inorganic binder,(b) molding the resulting blend,(c) drying the molded product, and(d) calcining the molded product at a temperature atwhich the network structure of the zeolite is not broken is disclosed.
    Type: Grant
    Filed: March 27, 1979
    Date of Patent: March 31, 1981
    Assignee: Osaka Oxygen Ind Ltd.
    Inventors: Zenzi Hagiwara, Iwao Uenoyama, Hiroo Ishino