TREA

Masaharu Nagahama

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing a water-in-oil emulsion
    • Patent number 6,348,541
    • Issue date Feb 19, 2002
    • Mitsubishi Rayon Co., Ltd.
    • Shoichi Kanda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing acrylamide polymer
    • Patent number 5,296,577
    • Issue date Mar 22, 1994
    • Diafloc Co., Ltd.
    • Hitoshi Tamura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Water-in-oil emulsion of cationic polymer
    • Patent number 5,185,393
    • Issue date Feb 9, 1993
    • Nitto Chemical Industry Co., Ltd.
    • Shoichi Kanda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...