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  • J arf alla, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    CTMP-process
    • Patent number 6,458,245
    • Issue date Oct 1, 2002
    • SCA Research AB
    • Hans Höglund
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Process for upgrading of thermomechanical pulp to higher quality pulp
    • Patent number 6,361,650
    • Issue date Mar 26, 2002
    • Valmet Fibertech AB
    • Ove Danielsson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    CTMP-process
    • Patent number 5,607,546
    • Issue date Mar 4, 1997
    • Molnlycke AB
    • Hans H oglund
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Method of making mechanical pulp
    • Patent number 5,145,010
    • Issue date Sep 8, 1992
    • Sunds Defibrator Industries Aktiebolag
    • K. Ove Danielsson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of making mechanical pulp
    • Patent number 4,789,429
    • Issue date Dec 6, 1988
    • Sunds Defibrator Aktiebolag
    • Michael Jackson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of producing peroxide bleached pulp
    • Patent number 4,270,976
    • Issue date Jun 2, 1981
    • Defibrator AB
    • Ake O. Sandstrom
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE