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Shinichi Hieda

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  • Hiratsuka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing a copolymer
    • Patent number 5,980,790
    • Issue date Nov 9, 1999
    • Mitsubishi Gas Chemical Company, Inc.
    • Shojiro Kuwahara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polymer
    • Patent number 5,804,676
    • Issue date Sep 8, 1998
    • Mitsubishi Gas Chemical Company, Inc.
    • Shinichi Hieda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing methyl methacrylate polymer
    • Patent number 5,719,242
    • Issue date Feb 17, 1998
    • Mitsubishi Gas Chemical Company, Inc.
    • Yasushi Higuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for purifying polymer
    • Patent number 5,708,133
    • Issue date Jan 13, 1998
    • Mitsubishi Gas Chemical Company, Inc.
    • Yasushi Higuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing methyl methacrylate polymer
    • Patent number 5,599,888
    • Issue date Feb 4, 1997
    • Mitsubishi Gas Chemical Company, Inc.
    • Yasushi Higuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing unsaturated carboxylic acid or ester thereof
    • Patent number 5,250,729
    • Issue date Oct 5, 1993
    • Mitsubishi Gas Chemical Company, Inc.
    • Takafumi Abe
    • C07 - ORGANIC CHEMISTRY