Color photographic print material

A color photographic print material which contains a cyan coupler of the formula in which R means a hydrogen atom or an alkyl group, R means OR or NR R , R means an unsubstituted or substituted alkyl group with 1 to 6 C atoms, R means an unsubstituted or substituted alkyl group with 1 to 6 C atoms,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WEIMANN RALF
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Beschreibung
Zusammenfassung:	A color photographic print material which contains a cyan coupler of the formula in which R means a hydrogen atom or an alkyl group, R means OR or NR R , R means an unsubstituted or substituted alkyl group with 1 to 6 C atoms, R means an unsubstituted or substituted alkyl group with 1 to 6 C atoms, R means a hydrogen atom or an unsubstituted or substituted alkyl group with 1 to 6 C atoms, R means an unsubstituted or substituted alkyl group and Z means a hydrogen atom or a group eliminable under the conditions of chromogenic development, wherein the total number of the C atoms of the alkyl groups R to R in a coupler molecule is 8 to 18, is simultaneously distinguished by good light and dark stability as well as by good color reproduction. The couplers furthermore exhibit very good solubility in conventional coupler solvents.