TREA

Shunichi Koyanagi

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  • Yokohama, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for polymerizing dienic monomers
    • Patent number 4,090,015
    • Issue date May 16, 1978
    • Shin-Etsu Chemical Co., Ltd.
    • Shunichi Koyanagi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for suspension-polymerizing vinyl chloride
    • Patent number 3,945,958
    • Issue date Mar 23, 1976
    • Shinetsu Chemical Company
    • Shunichi Koyanagi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...