by substituting amine groups for hydroxyl groups or hydroxyl groups for amine groups Desacylation of amino-acyl groups Deaminating

Patents Grantslast 30 patents

  • Information Patent Grant

    Disulfide dyes

    • Patent number 8,992,633
    • Issue date Mar 31, 2015
    • BASF SE
    • Sophie Marquais-Bienewald
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Azoxy dyes and copper complexes thereof

    • Patent number 6,903,197
    • Issue date Jun 7, 2005
    • BASF Aktiengesellschaft
    • Rainer Tresch
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Azoxy dyes and their Cu complexes

    • Patent number 6,727,351
    • Issue date Apr 27, 2004
    • BASF Aktiengesellschaft
    • Rainer Tresch
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Bisazo ink-jet dyes

    • Patent number 5,888,286
    • Issue date Mar 30, 1999
    • Zeneca Limited
    • Peter Gregory
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of reactive azo dyes

    • Patent number 5,872,228
    • Issue date Feb 16, 1999
    • Bayer AG
    • Klaus Kunde
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Hair dye composition containing a 4'-amino-2-halogen-4-{bis-(-hydro...

    • Patent number 5,409,502
    • Issue date Apr 25, 1995
    • Wella Aktiengesellschaft
    • Hans J. Braun
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Process for preparing phenyl- and naphthylazo-aminonaphthol sulphon...

    • Patent number 4,841,027
    • Issue date Jun 20, 1989
    • Sumitomo Chemical Company, Limited
    • Yutaka Kayane
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    Process for the preparation of azo dyestuffs having an aniline-type...

    • Patent number 4,810,783
    • Issue date Mar 7, 1989
    • Bayer Aktiengesellschaft
    • Klaus Leverenz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1-(4'-Diazoniumphenyl)-pyridinium salts and the process of preparation

    • Patent number 3,985,724
    • Issue date Oct 12, 1976
    • Salsbury Laboratories
    • Hermann Hoffmann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    3524843

    • Patent number 3,524,843
    • Issue date Aug 18, 1970
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    3428620

    • Patent number 3,428,620
    • Issue date Feb 18, 1969
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3359255

    • Patent number 3,359,255
    • Issue date Dec 19, 1967
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3352847

    • Patent number 3,352,847
    • Issue date Nov 14, 1967
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3107057

    • Patent number 3,107,057
    • Issue date Oct 15, 1963
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2961436

    • Patent number 2,961,436
    • Issue date Nov 22, 1960
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2914521

    • Patent number 2,914,521
    • Issue date Nov 24, 1959
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2735845

    • Patent number 2,735,845
    • Issue date Feb 21, 1956
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2676957

    • Patent number 2,676,957
    • Issue date Apr 27, 1954
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2607769

    • Patent number 2,607,769
    • Issue date Aug 19, 1952
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2352701

    • Patent number 2,352,701
    • Issue date Jul 4, 1944
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    1856601

    • Patent number 1,856,601
    • Issue date May 3, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    DISULFIDE DYES

    • Publication number 20140157529
    • Publication date Jun 12, 2014
    • BASF SE
    • Sophie Marquais-Bienewald
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Azoxy dyes and copper complexes thereof

    • Publication number 20040204570
    • Publication date Oct 14, 2004
    • BASF Akiengesellschaft
    • Rainer Tresch
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...