PHOTOGRAPHIC COLOUR DEVELOPER COMPOSITION CONTAINING AN .alpha.-AMINO CARBONYL ANTIOXIDIZING AGENT

PHOTOGRAPHIC COLOUR DEVELOPER COMPOSITION A colour developer composition is provided which has substantially improved protection against oxidation of the colour developer and excellent sequestering properties characterised in that the composition comprises an .alpha.-aminocarbonyl compound, an organ...

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Bibliographische Detailangaben
Hauptverfasser:	MELZER, ARNFRIED, FRANK, KARL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Zusammenfassung:	PHOTOGRAPHIC COLOUR DEVELOPER COMPOSITION A colour developer composition is provided which has substantially improved protection against oxidation of the colour developer and excellent sequestering properties characterised in that the composition comprises an .alpha.-aminocarbonyl compound, an organo-phosphonic acid and an aminocarboxylic acid. A-G 1505