NEW HYDROQUINONE DERIVATIVES AS SCAVENGERS FOR OXIDISED DEVELOPER

New compounds of the formula Iare described, whereinn is >1;X is O or NR4;L is a n-valent linking group defined in claim 1 andR1 is H, halogen, C1-C25-alkyl, C3-C25-alkenyl, unsubstituted or by C1-C4-alkyl substituted C5-C8-cycloalkyl;R2 and R3 independently of each other are C1-C4-alkyl, or toge...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BIRY, STEPHANE, JEGANATHAN, SURULIAPPA, GOWPER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY ELECTROGRAPHY 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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