TREA

Hirofumi Watanabe

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  • Nakajo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for treating air containing hydrocarbon vapor with a compos...
    • Patent number 5,049,365
    • Issue date Sep 17, 1991
    • Mizusawa Industrial Chemicals, Ltd.
    • Seiji Okabayashi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Composite adsorbent
    • Patent number 4,963,519
    • Issue date Oct 16, 1990
    • Mizusawa Industrial Chemcals, Ltd.
    • Seiji Okabayashi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL