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Azo dyes therefor

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  • G03C7/29
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GPHYSICS G03Photography G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHOTOGRAPHIC PROCESSES G03C7/00Multicolour photographic processes or agents therefor Regeneration of such processing agents Photosensitive materials for multicolour processes

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G03C7/29Azo dyes therefor
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Patents Grantslast 30 patents

  • Information Patent Grant

    Imidazole azo dyes
    • Patent number 4,743,683
    • Issue date May 10, 1988
    • Ciba-Geigy AG
    • Paul Tschopp
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Polyazo dyestuffs having high UV absorption
    • Patent number 4,701,525
    • Issue date Oct 20, 1987
    • Ciba-Geigy AG
    • Thomas-Markus Rohr
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic material with heterocylic azo dye for the silver dye b...
    • Patent number 4,661,437
    • Issue date Apr 28, 1987
    • Ciba-Geigy AG
    • Paul Tschopp
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    UV-absorbent compounds, process for their preparation and their use...
    • Patent number 4,609,609
    • Issue date Sep 2, 1986
    • Ciba-Geigy AG
    • Thomas-Markus Rohr
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Oil-soluble disazo dyes and their use in color-photographic recordi...
    • Patent number 4,521,591
    • Issue date Jun 4, 1985
    • Ciba-Geigy AG
    • Gerald Jan
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Azo dyes containing phosphamic acid diester groups
    • Patent number 4,456,668
    • Issue date Jun 26, 1984
    • Ciba-Geigy AG
    • John Lenoir
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Monoazo dyes containing phosphamic acid diester groups
    • Patent number 4,409,143
    • Issue date Oct 11, 1983
    • Ciba-Geigy AG
    • John Lenoir
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Color-photographic recording material for the silver dye bleach pro...
    • Patent number 4,379,819
    • Issue date Apr 12, 1983
    • Ciba-Geigy AG
    • John Lenoir
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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

    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

    Heterocyclic containing disazo compounds
    • Patent number 3,931,142
    • Issue date Jan 6, 1976
    • Ciba-Geigy AG
    • John Lenoir
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3877949
    • Patent number 3,877,949
    • Issue date Apr 15, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3870697
    • Patent number 3,870,697
    • Issue date Mar 11, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3808194
    • Patent number 3,808,194
    • Issue date Apr 30, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3804630
    • Patent number 3,804,630
    • Issue date Apr 16, 1974
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3787215
    • Patent number 3,787,215
    • Issue date Jan 22, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3770444
    • Patent number 3,770,444
    • Issue date Nov 6, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3754923
    • Patent number 3,754,923
    • Issue date Aug 28, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3738839
    • Patent number 3,738,839
    • Issue date Jun 12, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3716368
    • Patent number 3,716,368
    • Issue date Feb 13, 1973
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3687673
    • Patent number 3,687,673
    • Issue date Aug 29, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3684513
    • Patent number 3,684,513
    • Issue date Aug 15, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3671253
    • Patent number 3,671,253
    • Issue date Jun 20, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3655388
    • Patent number 3,655,388
    • Issue date Apr 11, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3642482
    • Patent number 3,642,482
    • Issue date Feb 15, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3634091
    • Patent number 3,634,091
    • Issue date Jan 11, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3623874
    • Patent number 3,623,874
    • Issue date Nov 30, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3615582
    • Patent number 3,615,582
    • Issue date Oct 26, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3615581
    • Patent number 3,615,581
    • Issue date Oct 26, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3598594
    • Patent number 3,598,594
    • Issue date Aug 10, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents