Photographic element and process

Novel pyrazoloazole dye-forming couplers containing at least one polyether group (A) comprising at least three ether (-O-) groups and terminated by hydroxy, carboxy or sulfonamido groups enables increased reactivity of the coupler in a photographic element and process. The couplers are useful in col...

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Bibliographische Detailangaben
Hauptverfasser:	BOWNE, ARLYCE TOLMAN, ROMANET, ROBERT FOGG, NORMANDIN, SHARON EILEEN
Format:	Patent
Sprache:	eng ; fre ; 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:	Novel pyrazoloazole dye-forming couplers containing at least one polyether group (A) comprising at least three ether (-O-) groups and terminated by hydroxy, carboxy or sulfonamido groups enables increased reactivity of the coupler in a photographic element and process. The couplers are useful in color photographic silver halide materials and processes.