TREA

Peter J. Williams

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  • Frodsham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymer porous structure and process
    • Patent number 5,698,105
    • Issue date Dec 16, 1997
    • North West Water Group PLC
    • Howard Matthew Colquhoun
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Composite membranes
    • Patent number 5,605,628
    • Issue date Feb 25, 1997
    • North West Water Group PLC
    • Alexander P. Davidson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL