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Derek Aldcroft

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  • Wirral, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Silica products and UV curable systems
    • Patent number 6,039,798
    • Issue date Mar 21, 2000
    • Crosfield Limited
    • Derek Aldcroft
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Amorphous silicas
    • Patent number 5,643,624
    • Issue date Jul 1, 1997
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Silicas
    • Patent number 5,624,652
    • Issue date Apr 29, 1997
    • Crosfield Limited
    • Derek Aldcroft
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Amorphous silica
    • Patent number 5,447,704
    • Issue date Sep 5, 1995
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Silica products
    • Patent number 5,326,395
    • Issue date Jul 5, 1994
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for refining glyceride oil using precipitated silica
    • Patent number 5,264,597
    • Issue date Nov 23, 1993
    • Van den Bergh Foods, Co., Division of Conopco, Inc.
    • Josef P. Van Dalen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for stabilizing alcoholic beverages using an aqueous suspens...
    • Patent number 5,232,724
    • Issue date Aug 3, 1993
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Stable suspensions for filtering beer
    • Patent number 5,102,676
    • Issue date Apr 7, 1992
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Silicas
    • Patent number 5,035,879
    • Issue date Jul 30, 1991
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Silicas
    • Patent number 4,992,251
    • Issue date Feb 12, 1991
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Silicas
    • Patent number 4,956,167
    • Issue date Sep 11, 1990
    • Unilever Patent Holdings B.V.
    • Derek Aldcroft
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Process for the preparation of precipitated silicas having morpholo...
    • Patent number 4,127,641
    • Issue date Nov 28, 1978
    • Joseph Crosfield and Sons Limited
    • Derek Aldcroft
    • C01 - INORGANIC CHEMISTRY