TREA

Masaaki Minakawa

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  • Hirakata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrolyzed ethylene-vinyl acetate copolymer
    • Patent number 4,931,500
    • Issue date Jun 5, 1990
    • Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    • Shinji Okamoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hydrolyzed ethylene-vinyl acetate copolymer
    • Patent number 4,857,589
    • Issue date Aug 15, 1989
    • Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    • Shinji Okamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...