Photographic element containing pyrroloylacetamide yellow coupler

The present invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler of formula (I): (I) wherein X is H or a coupling-off group, R and R1 are independently selected from H and substituent groups; Y and Z are independently s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CLARK, BERNARD ARTHUR, MCNAB, HAMISH, SOMMERVILLE, CRAIG CAMERON
Format:	Patent
Sprache:	eng
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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