TREA

Per V. Peterson

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  • Sundsvall, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refiner disc segment
    • Patent number 4,635,864
    • Issue date Jan 13, 1987
    • SCA Development Aktiebolag
    • Per V. Peterson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for anaerobic wastewater treatment
    • Patent number 4,597,872
    • Issue date Jul 1, 1986
    • Purac Aktiebolag
    • Per-Erik Andersson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of making pulp
    • Patent number 4,357,208
    • Issue date Nov 2, 1982
    • SCA Development Aktiebolag
    • Per V. Peterson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Chip treatment
    • Patent number 4,356,213
    • Issue date Oct 26, 1982
    • SCA Development Aktiebolag
    • Hans E. Hoglund
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for refining lignocellulose-containing material
    • Patent number 4,280,868
    • Issue date Jul 28, 1981
    • Sunds Defibrator Aktiebolag
    • Hans E. Hoglund
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE