TREA

Yoshiichi Yamamoto

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  • Ube, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparation of formaldehyde copolymers
    • Patent number 4,504,636
    • Issue date Mar 12, 1985
    • Ube Industries, Ltd.
    • Kazumasa Tsunemi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for polymerizing formaldehyde
    • Patent number 4,352,923
    • Issue date Oct 5, 1982
    • UBE Industries, Ltd.
    • Hisashi Kono
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...