CONCENTRATED AQUEOUS PHOTOGRAPHIC COLOR DEVELOPING COMPOSITION

PROBLEM TO BE SOLVED: To provide concentrated and working strength photographic color developing compositions having improved stability. SOLUTION: The concentrated and working strength photographic color developing compositions are stabilized with the inclusion of an α-ketocarboxylic acid or salt th...

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Bibliographische Detailangaben
Hauptverfasser:	HAYE SHIRLEYANNE ELISABETH, HUSTON JANET MARIE
Format:	Patent
Sprache:	eng
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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide concentrated and working strength photographic color developing compositions having improved stability. SOLUTION: The concentrated and working strength photographic color developing compositions are stabilized with the inclusion of an α-ketocarboxylic acid or salt thereof, such as pyruvic acid or a salt thereof. These compositions can be used in process color photographic materials. COPYRIGHT: (C)2003,JPO