Dic-Hercules Chemicals, Inc.

Organization

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Paper coating resin and paper coating composition

    • Patent number 5,270,355
    • Issue date Dec 14, 1993
    • Dic-Hercules Chemicals, Inc.
    • Hiroharu Kawano
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for preparing a sulfonated chitosan

    • Patent number 5,229,504
    • Issue date Jul 20, 1993
    • Dic-Hercules Chemicals, Inc.
    • Jisuke Hayashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymeric papermaking additive

    • Patent number 5,115,065
    • Issue date May 19, 1992
    • Dic-Hercules Chemicals, Inc.
    • Masatomi Ogawa
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Surface treatment agent for paper

    • Patent number 5,079,303
    • Issue date Jan 7, 1992
    • Dic-Hercules Chemicals, Inc.
    • Tsuyoshi Ikeda
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Sizing composition and sizing method

    • Patent number 5,013,775
    • Issue date May 7, 1991
    • Dic-Hercules Chemicals, Inc.
    • Hideo Oikawa
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Rosin emulsion sizing agent

    • Patent number 4,943,608
    • Issue date Jul 24, 1990
    • Dic-Hercules Chemicals, Inc.
    • Mizunori Takahashi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Papermaking additive

    • Patent number 4,717,758
    • Issue date Jan 5, 1988
    • Dic-Hercules Chemicals, Inc.
    • Masatomi Ogawa
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Rosin emulsion sizing agent

    • Patent number 4,681,909
    • Issue date Jul 21, 1987
    • Dic-Hercules Chemicals, Inc.
    • Koji Ohta
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Ketene dimer-acrylamide polymer aqueous dispersion

    • Patent number 4,654,386
    • Issue date Mar 31, 1987
    • Dic-Hercules Chemicals, Inc.
    • Tetsuya Hara
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

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