TREA

Shoichiro Tonomura

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  • Fuji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing polyether polyol and a product
    • Patent number 4,792,627
    • Issue date Dec 20, 1988
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Atsushi Aoshima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for purification of polyether
    • Patent number 4,677,231
    • Issue date Jun 30, 1987
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Atsushi Aoshima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyether polyol and a product
    • Patent number 4,658,065
    • Issue date Apr 14, 1987
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Atsushi Aoshima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyetherglycol
    • Patent number 4,568,775
    • Issue date Feb 4, 1986
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Atsushi Aoshima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...