TREA

Masahisa Shionoya

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  • Izumi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stabilized polyurethane compositions
    • Patent number 4,721,744
    • Issue date Jan 26, 1988
    • Sumitomo Chemical Company, Limited
    • Tamaki Ishii
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyolefin resin composition
    • Patent number 4,719,257
    • Issue date Jan 12, 1988
    • Sumitomo Chemical Company, Ltd.
    • Tamaki Ishii
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized polyacetal resin compositions
    • Patent number 4,717,745
    • Issue date Jan 5, 1988
    • Sumitomo Chemical Company, Ltd.
    • Tamaki Ishii
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Piperidine derivatives, their production and stabilized polymer com...
    • Patent number 4,578,410
    • Issue date Mar 25, 1986
    • Sumitomo Chemical Company, Limited
    • Yukoh Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stabilizer for synthetic resins
    • Patent number 4,576,734
    • Issue date Mar 18, 1986
    • Sumitomo Chemical Company, Limited
    • Tamaki Ishii
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...