TREA

Director-General of Agency of Industrial Science and Technology

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Patents Grantslast 30 patents

  • Information Patent Grant

    Membrane for the separation of carbon dioxide
    • Patent number 5,445,669
    • Issue date Aug 29, 1995
    • Sumitomo Electric Industries, Ltd.
    • Makoto Nakabayashi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for preparation of polyvinylene sulfide
    • Patent number 4,564,668
    • Issue date Jan 14, 1986
    • Director-General of Agency of Industrial Science and Technology
    • Tatsumi Arakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...