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Violet Boyd

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  • Manchester, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disperse monoazo dyestuffs
    • Patent number 4,313,874
    • Issue date Feb 2, 1982
    • Imperial Chemical Industries Limited
    • Violet Boyd
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Disperse monoazo dyestuffs for coloring synthetic textile materials
    • Patent number 4,254,027
    • Issue date Mar 3, 1981
    • Imperial Chemical Industries Limited
    • Violet Boyd
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Coloration process
    • Patent number 4,169,705
    • Issue date Oct 2, 1979
    • Imperial Chemical Industries Limited
    • Violet Boyd
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Coloration process
    • Patent number 4,153,413
    • Issue date May 8, 1979
    • Imperial Chemical Industries Limited
    • Susan M. Bostock
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Coloration process
    • Patent number 4,134,723
    • Issue date Jan 16, 1979
    • Imperial Chemical Industries Limited
    • Violet Boyd
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Disperse monoazo dyestuffs
    • Patent number 4,119,624
    • Issue date Oct 10, 1978
    • Imperial Chemical Industries Limited
    • Violet Boyd