TREA

Yasuhiro Sakanaka

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  • Shin-nanyo, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing granular rubber
    • Patent number 4,031,302
    • Issue date Jun 21, 1977
    • Toyo Soda Manufacturing Co., Ltd.
    • Akihiko Shimizu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for preparing granular chloroprene polymer rubber
    • Patent number 3,969,334
    • Issue date Jul 13, 1976
    • Toyo Soda Manufacturing Co., Ltd.
    • Akihiko Shimizu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...