METHODS OF PROVIDING COLOR PHOTOGRAPHIC IMAGE

Photographic processing of color photographic materials can be carried out using polyphosphonic acids or salts thereof in acidic "stop" solutions or wash solutions after color development. When used in acidic stop solutions, the polyphosphonic acid is preferably carried over into the bleac...

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Bibliographische Detailangaben
Hauptverfasser:	HAYE, SHIRLEYANNE ELIZABETH, HUSTON, JANET MARIE
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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Beschreibung
Zusammenfassung:	Photographic processing of color photographic materials can be carried out using polyphosphonic acids or salts thereof in acidic "stop" solutions or wash solutions after color development. When used in acidic stop solutions, the polyphosphonic acid is preferably carried over into the bleaching solution to provide added stability of the bleaching agent. The acidic stop solutions can also include organic thiols that are used as bleaching accelerators when carried over into the bleaching solutions. L'invention concerne le traitement photographique de documents photographiques en couleur. Ledit traitement peut être effectué à l'aide d'acides polyphosphoniques ou de leurs sels présents dans des solutions