TREA

James A. De Witt

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  • Burnaby, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retention aids
    • Patent number 5,516,405
    • Issue date May 14, 1996
    • MacMillan Bloedel Limited
    • James A. De Witt
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Neutral papermaking
    • Patent number 5,505,819
    • Issue date Apr 9, 1996
    • MacMillan Bloedel Limited
    • James A. De Witt
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE