PHOTOGRAPHIC MATERIAL WITH STABILISERS AND REVERSAL PROCESS FOR PRODUCING A PHOTOGRAPH

PHOTOGRAPHIC MATERIAL WITH STABILISERS AND REVERSAL PROCESS FOR PRODUCING A PHOTOGRAPH

Thiocarbohydrazide derivatives act as stabilizers when processing photographic materials in the conventional black and white developers of the type used as first developer in color reversal processes. Furthermore, they can promote the development of color in the second developer in color reversal pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SOMMER, FRIEDHELM, WERNICKE, UBBO, ODENWALDER, HEINRICH
Format: Patent
Sprache:eng ; ger
Schlagworte:
AUXILIARY PROCESSES IN PHOTOGRAPHY
CHEMISTRY
CINEMATOGRAPHY
ELECTROGRAPHY
HETEROCYCLIC COMPOUNDS
HOLOGRAPHY
METALLURGY
ORGANIC CHEMISTRY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
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Beschreibung
Zusammenfassung:Thiocarbohydrazide derivatives act as stabilizers when processing photographic materials in the conventional black and white developers of the type used as first developer in color reversal processes. Furthermore, they can promote the development of color in the second developer in color reversal processes in such a way that a second exposure or fogging baths may be dispensed.