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Cyclisation of azo dyes; Condensation of azo dyes with formation of ring

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  • CPC
  • C09B43/003
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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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C09B43/003Cyclisation of azo dyes; Condensation of azo dyes with formation of ring
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dyes and dye-donor elements for thermal dye transfer recording
    • Patent number 5,589,316
    • Issue date Dec 31, 1996
    • AGFA-GEVAERT N.V.
    • Luc Vanmaele
    • C07 - ORGANIC CHEMISTRY
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    Certain 3-phenylhydrazono-2-amino-1,1,3-propene tricarbonitrile
    • Patent number 4,401,600
    • Issue date Aug 30, 1983
    • Ciba-Geigy Corporation
    • Robert Portmann
    • C07 - ORGANIC CHEMISTRY
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    Process for the dyeing and printing of hydrophobic synthetic organi...
    • Patent number 4,293,306
    • Issue date Oct 6, 1981
    • Hoechst Aktiengesellschaft
    • Ernst Hoyer
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    Cumarinic pigments
    • Patent number 4,252,566
    • Issue date Feb 24, 1981
    • Montedison S.p.A.
    • Ruggero Battisti
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the preparation of azo dyes
    • Patent number 4,243,583
    • Issue date Jan 6, 1981
    • Ciba-Geigy Corporation
    • Robert Portmann
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process and intermediates for preparing fiber-reactive phthalocyani...
    • Patent number 4,204,056
    • Issue date May 20, 1980
    • Cassella Aktiengesellschaft
    • Rolf Muller
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    Dye diffusion transfer process employing compounds that release sul...
    • Patent number 4,198,235
    • Issue date Apr 15, 1980
    • AGFA-Gevaert, A.G.
    • Hans Vetter
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for preparing fiber-reactive phthalocyanine azo dyes
    • Patent number 4,191,686
    • Issue date Mar 4, 1980
    • Cassella Aktiengesellschaft
    • Rolf Muller
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Polycyclic compounds
    • Patent number 4,084,053
    • Issue date Apr 11, 1978
    • Ciba-Geigy Corporation
    • Nalin Binduprasad Desai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Spiro compounds
    • Patent number 4,042,635
    • Issue date Aug 16, 1977
    • Ciba-Geigy Corporation
    • Paul Rys
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Spiro compounds
    • Patent number 3,950,403
    • Issue date Apr 13, 1976
    • Ciba-Geigy Corporation
    • Paul Rys
    • C07 - ORGANIC CHEMISTRY
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    3929785
    • Patent number 3,929,785
    • Issue date Dec 30, 1975
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    3873615
    • Patent number 3,873,615
    • Issue date Mar 25, 1975
    • C07 - ORGANIC CHEMISTRY
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    3847919
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    • Issue date Nov 12, 1974
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    3720671
    • Patent number 3,720,671
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    3663529
    • Patent number 3,663,529
    • Issue date May 16, 1972
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    3651081
    • Patent number 3,651,081
    • Issue date Mar 21, 1972
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3437729
    • Patent number 3,437,729
    • Issue date Apr 8, 1969
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3423393
    • Patent number 3,423,393
    • Issue date Jan 21, 1969
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3386986
    • Patent number 3,386,986
    • Issue date Jun 4, 1968
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3361735
    • Patent number 3,361,735
    • Issue date Jan 2, 1968
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3340256
    • Patent number 3,340,256
    • Issue date Sep 5, 1967
    • C07 - ORGANIC CHEMISTRY
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    3329670
    • Patent number 3,329,670
    • Issue date Jul 4, 1967
    • C07 - ORGANIC CHEMISTRY
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    3329690
    • Patent number 3,329,690
    • Issue date Jul 4, 1967
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3297679
    • Patent number 3,297,679
    • Issue date Jan 10, 1967
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3294777
    • Patent number 3,294,777
    • Issue date Dec 27, 1966
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3202657
    • Patent number 3,202,657
    • Issue date Aug 24, 1965
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3162643
    • Patent number 3,162,643
    • Issue date Dec 22, 1964
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2675375
    • Patent number 2,675,375
    • Issue date Apr 13, 1954
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2301333
    • Patent number 2,301,333
    • Issue date Nov 10, 1942
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents