TREA

William John Ernest Parr

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  • Deventer, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nitrogen containing compounds as corrosion inhibitors
    • Patent number 8,833,450
    • Issue date Sep 16, 2014
    • Akzo Nobel N.V.
    • Kornelis Overkempe
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Biocidal preservatives
    • Patent number 6,172,117
    • Issue date Jan 9, 2001
    • Akzo Nobel NV
    • John P. Bell
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Activity promoting additives for rest-breaking agents
    • Patent number 5,885,932
    • Issue date Mar 23, 1999
    • Akzo Nobel N.V.
    • William John Ernest Parr
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents