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Ronald Wynford Kenyon

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  • Manchester, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Monoazo dyestuffs, a composition and an ink for ink jet printing co...
    • Patent number 6,488,752
    • Issue date Dec 3, 2002
    • Avecia Limited
    • Mark Kenworthy
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polycyclic dyes
    • Patent number 6,462,204
    • Issue date Oct 8, 2002
    • DyStar Textilfarben GmbH & Co. Deutschland KG
    • Nigel Hall
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Bleed reduction agents for ink printing inks
    • Patent number 6,254,669
    • Issue date Jul 3, 2001
    • Zeneca Limited
    • Aidan Joseph Lavery
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Phthalocyanine compounds
    • Patent number 6,086,955
    • Issue date Jul 11, 2000
    • Zeneca Limited
    • Prahalad Manibhai Mistry
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phthalocyanine compounds
    • Patent number 6,025,486
    • Issue date Feb 15, 2000
    • Zeneca Limited
    • Prahalad Manibhai Mistry
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phthalocyanine compounds
    • Patent number 6,015,896
    • Issue date Jan 18, 2000
    • Zeneca Limited
    • Prahalad Manibhai Mistry
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Disazo compounds containing a piperazinylethysulfonyl group
    • Patent number 6,008,331
    • Issue date Dec 28, 1999
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Azo compound
    • Patent number 5,969,114
    • Issue date Oct 19, 1999
    • Zeneca Limited
    • Paul Wight
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phthalocyanine compounds
    • Patent number 5,922,116
    • Issue date Jul 13, 1999
    • Zeneca Limited
    • Prahalad Manibhai Mistry
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Stabilised dye composition
    • Patent number 5,869,627
    • Issue date Feb 9, 1999
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Monoazo compounds
    • Patent number 5,772,745
    • Issue date Jun 30, 1998
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    B15-A20 dyes and inks based thereon
    • Patent number 5,773,593
    • Issue date Jun 30, 1998
    • Zeneca Limited
    • Peter Gregory
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Monoazo compounds
    • Patent number 5,759,248
    • Issue date Jun 2, 1998
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Chemical compounds
    • Patent number 5,756,692
    • Issue date May 26, 1998
    • Zeneca Limited
    • Peter Gregory
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Disazo Compound
    • Patent number 5,756,693
    • Issue date May 26, 1998
    • Zeneca Limited
    • Ronald Wynford Kenyon
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for preparing polycyclic dyes
    • Patent number 5,663,371
    • Issue date Sep 2, 1997
    • Zeneca Limited
    • Stephen John Bentley
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Azo compound
    • Patent number 5,616,694
    • Issue date Apr 1, 1997
    • Zeneca Limited
    • Ronald W. Kenyon
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Magenta poly-azo compounds
    • Patent number 5,473,053
    • Issue date Dec 5, 1995
    • Zeneca Limited
    • Ronald W. Kenyon
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Disazo compounds containing an optionally substituted piperazinyl g...
    • Patent number 5,453,495
    • Issue date Sep 26, 1995
    • Zeneca Limited
    • Peter Gregory
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ink jet printing inks
    • Patent number 5,383,960
    • Issue date Jan 24, 1995
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Inks suitable for use in ink jet printing
    • Patent number 5,374,301
    • Issue date Dec 20, 1994
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Dye composition and aqueous ink derived therefrom
    • Patent number 5,370,730
    • Issue date Dec 6, 1994
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phthalocyanine colorants and their use in ink jet printing
    • Patent number 5,296,023
    • Issue date Mar 22, 1994
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Xanthene dyes for ink jet printing
    • Patent number 5,279,656
    • Issue date Jan 18, 1994
    • Imperial Chemical Industries PLC
    • Ronald W. Kenyon
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Azo dyes suitable for ink jet printing
    • Patent number 5,268,459
    • Issue date Dec 7, 1993
    • Imperial Chemical Industries PLC
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Disazo dyes suitable for use in ink jet printing
    • Patent number 5,262,527
    • Issue date Nov 16, 1993
    • Imperial Chemical Industries PLC
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polycyclic dyes
    • Patent number 5,212,313
    • Issue date May 18, 1993
    • Imperial Chemical Industries PLC
    • Ronald W. Kenyon
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anionic dye
    • Patent number 5,203,912
    • Issue date Apr 20, 1993
    • Imperial Chemical Industries PLC
    • David Greenwood
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Thermal transfer printing
    • Patent number 5,196,392
    • Issue date Mar 23, 1993
    • Imperial Chemical Industries PLC
    • Roy Bradbury
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Anionic phthalocyanine compounds
    • Patent number 5,189,154
    • Issue date Feb 23, 1993
    • Imperial Chemical Industries PLC
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Polycyclic dyes
    • Publication number 20020077490
    • Publication date Jun 20, 2002
    • Nigel Hall
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...