TREA

Shohei Okano

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  • Tokorozawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrotreating catalysts
    • Patent number 5,094,993
    • Issue date Mar 10, 1992
    • Tonen Corporation
    • Tadashi Miura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hydrotreating catalyst and process of manufacture
    • Patent number 4,837,193
    • Issue date Jun 6, 1989
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Ikuo Akizuki
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Catalyst and process for hydrofining petroleum wax
    • Patent number 4,186,078
    • Issue date Jan 29, 1980
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Takuji Itoh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Catalyst for hydrofining petroleum wax
    • Patent number 4,139,494
    • Issue date Feb 13, 1979
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Takuji Itoh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Catalyst for hydro-refining hydrocarbon oils
    • Patent number 4,134,856
    • Issue date Jan 16, 1979
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Takuji Itoh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL