COLOR PHOTOGRAPHIC RECORDING MATERIAL CONTAINING COLOR COUPLER OF PYRAZOROAZALE SERIES

PURPOSE: To form a magenta pigment picture having improved stability to light by incorporating a magenta coupler of pyrazoloazole series shown by a specified formula into the coupler. CONSTITUTION: This coupler corresponds to the formula and contains at least one silver halide emulsion layer arrange...

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1. Verfasser:	EERITSUHI BORUFU
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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Beschreibung
Zusammenfassung:	PURPOSE: To form a magenta pigment picture having improved stability to light by incorporating a magenta coupler of pyrazoloazole series shown by a specified formula into the coupler. CONSTITUTION: This coupler corresponds to the formula and contains at least one silver halide emulsion layer arranged on a layer support and at least one kind of non-diffusible magenta coupler of pyrazolo(3,2-c)-1,2,4-triazole series. In the formula, R is alkyls, R is OH in some cases and alkyls replaceable by alkoxyls, R is alkyls or aryls, (t) is 0 to 4, R and R are the groups completing a 5, 6 and 7-membered ring replaceable, if necessary, L is a straight-chain or branched-chain alkylene group capable of being interrupted by O, and X is H or a group capable of being cut off in the color developing stage.