In der Photographie verwendbare Verbindungen des 3-Pyrazolidon-Typs

In der Photographie verwendbare Verbindungen des 3-Pyrazolidon-Typs

The present concerns compounds of the 3-pyrazolidone type comprising solubilising groups which are not directly attached to the phenyl ring or to the pyrazolidino ring. These compounds can be used as co-developers in the development of black and white photographic products.

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Bibliographische Detailangaben
Hauptverfasser: TSOI, SIUUNG, ROUSSILHE, JACQUES
Format: Patent
Sprache: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:The present concerns compounds of the 3-pyrazolidone type comprising solubilising groups which are not directly attached to the phenyl ring or to the pyrazolidino ring. These compounds can be used as co-developers in the development of black and white photographic products.