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Hidemasa Okamoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Novel triazine addition compounds
    • Patent number 4,663,372
    • Issue date May 5, 1987
    • UBE Industries Ltd.
    • Hidemasa Okamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Triazine addition compounds
    • Patent number 4,574,154
    • Issue date Mar 4, 1986
    • UBE Industries, Ltd.
    • Hidemasa Okamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Flame-retardant polyamide resin composition
    • Patent number 4,452,931
    • Issue date Jun 5, 1984
    • Ube Industries, Ltd.
    • Hidemasa Okamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...