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  • CPC
  • C09B43/08
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CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES C09B43/00Preparation of azo dyes from other azo compounds

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C09B43/08by reduction
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Dyes with changeable solubilities, and methods for their use
    • Patent number 8,298,298
    • Issue date Oct 30, 2012
    • Empire Development Technology LLC
    • Seth Adrian Miller
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Process for the preparation of aminodiarylazo compounds
    • Patent number 6,008,330
    • Issue date Dec 28, 1999
    • Bayer Aktiengesellschaft
    • Klaus Kunde
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Disazo compounds derived from acetoacetylamino-benzimidazol-2-ones
    • Patent number 4,686,287
    • Issue date Aug 11, 1987
    • Hoechst Aktiengesellschaft
    • Klaus Hunger
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Amino compounds derived from 5-acetoacetylamino-benzimidazolones
    • Patent number 4,677,200
    • Issue date Jun 30, 1987
    • Hoechst Aktiengesellschaft
    • Klaus Hunger
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ureylenebis (hydroxy naphthalenesulfonic acids)
    • Patent number 4,391,824
    • Issue date Jul 5, 1983
    • American Cyanamid Company
    • Gerald J. Siuta
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Pleochroic dyes
    • Patent number 4,145,114
    • Issue date Mar 20, 1979
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • David Coates
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Symmetrical hexakisazo compounds having a 2,2'-disulfostilbenyl cen...
    • Patent number 4,141,889
    • Issue date Feb 27, 1979
    • Sandoz Ltd.
    • Zdenek Allan
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Photographic material containing sulphonic acid group containing di...
    • Patent number 4,118,232
    • Issue date Oct 3, 1978
    • Ciba-Geigy AG
    • Bernhard Piller
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for the selective destruction, by reduction, of p-coupled p...
    • Patent number 4,101,542
    • Issue date Jul 18, 1978
    • Bayer Aktiengesellschaft
    • Erich Kramer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2,2'-Azobis(4,5-imidazoledicarbonitrile) and derivatives
    • Patent number 4,083,843
    • Issue date Apr 11, 1978
    • E. I. Du Pont de Nemours and Company
    • Bruce Arne Carlson
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Sulfonic-acid-group containing disazo dyestuffs
    • Patent number 4,051,123
    • Issue date Sep 27, 1977
    • Ciba-Geigy AG
    • Bernhard Piller
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Tetrakisazo compounds having a 1-hydroxy-2-(4'-(2"-sulfoanilino)phe...
    • Patent number 4,003,885
    • Issue date Jan 18, 1977
    • Sandoz Ltd.
    • Claude Vogel
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3622558
    • Patent number 3,622,558
    • Issue date Nov 23, 1971
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3541182
    • Patent number 3,541,182
    • Issue date Nov 17, 1970
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3422122
    • Patent number 3,422,122
    • Issue date Jan 14, 1969
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3386991
    • Patent number 3,386,991
    • Issue date Jun 4, 1968
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3364022
    • Patent number 3,364,022
    • Issue date Jan 16, 1968
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3337356
    • Patent number 3,337,356
    • Issue date Aug 22, 1967
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    3336287
    • Patent number 3,336,287
    • Issue date Aug 15, 1967
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3332845
    • Patent number 3,332,845
    • Issue date Jul 25, 1967
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3320233
    • Patent number 3,320,233
    • Issue date May 16, 1967
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3311443
    • Patent number 3,311,443
    • Issue date Mar 28, 1967
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3307947
    • Patent number 3,307,947
    • Issue date Mar 7, 1967
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3267113
    • Patent number 3,267,113
    • Issue date Aug 16, 1966
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    3211556
    • Patent number 3,211,556
    • Issue date Oct 12, 1965
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3156711
    • Patent number 3,156,711
    • Issue date Nov 10, 1964
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3117116
    • Patent number 3,117,116
    • Issue date Jan 7, 1964
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3086005
    • Patent number 3,086,005
    • Issue date Apr 16, 1963
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3024255
    • Patent number 3,024,255
    • Issue date Mar 6, 1962
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2904385
    • Patent number 2,904,385
    • Issue date Sep 15, 1959
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents