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Andrew H. M. Renfrew

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  • Lancashire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Amine pyrazole nickel phthalocyanine dyes for coloration
    • Patent number 6,271,355
    • Issue date Aug 7, 2001
    • Imperial Chemical Industries PLC
    • Denis Robert Annesley Ridyard
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water-soluble dyes which are polymerizable containing molecules whi...
    • Patent number 5,703,215
    • Issue date Dec 30, 1997
    • Zeneca Limited
    • Andrew Hunter Morris Renfrew
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Chemical compounds
    • Patent number 5,474,580
    • Issue date Dec 12, 1995
    • Zeneca Limited
    • Andrew H. M. Renfrew
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Reactive dyes having a bulky linker group
    • Patent number 5,306,813
    • Issue date Apr 26, 1994
    • Imperial Chemical Industries PLC
    • Andrew H. M. Renfrew
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Triphenodioxazine reactive dyes having sulphonate ester groups
    • Patent number 5,171,852
    • Issue date Dec 15, 1992
    • Imperial Chemical Industries PLC
    • Andrew H. M. Renfrew
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Triphenodioxazine acid dyes
    • Patent number 4,542,213
    • Issue date Sep 17, 1985
    • Imperial Chemical Industries PLC
    • Robert D. McClelland
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Cationic triphendioxazine dyes, methods for their manufacture and t...
    • Patent number 4,512,773
    • Issue date Apr 23, 1985
    • Imperial Chemical Industries PLC
    • Kenneth Anderton
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Triphendioxazine dyestuffs
    • Patent number 4,472,575
    • Issue date Sep 18, 1984
    • Imperial Chemical Industries PLC
    • Andrew H. M. Renfrew
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone compounds
    • Patent number 4,391,754
    • Issue date Jul 5, 1983
    • Imperial Chemical Industries PLC
    • Andrew H. M. Renfrew
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of homogentisic lactone
    • Patent number 4,182,720
    • Issue date Jan 8, 1980
    • Imperial Chemical Industries Limited
    • Andrew H. M. Renfrew
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Coloration process
    • Patent number 4,147,510
    • Issue date Apr 3, 1979
    • Imperial Chemical Industries Limited
    • Stephen B. Bostock
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...