Colour photographic material comprising specific combination of magenta and cyan couplers
A colour photographic print material having at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer con...
Gespeichert in:
Hauptverfasser: | , , |
---|---|
Format: | Patent |
Sprache: | eng ; fre ; ger |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | A colour photographic print material having at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, characterised in that the cyan coupler is of the formula in which R means a hydrogen atom or an alkyl group, R means an alkyl, aryl or hetaryl group, R means an alkyl or aryl group, R means an alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamido, ureido, hydroxycarbonyl, hydroxycarbonylamino, carbamoyl, alkylthio, arylthio, alkylamino or arylamino group or a hydrogen atom, Z means a hydrogen atom or a group eliminable under the conditions of chromogenic development, X means S, NH or NR and R means an alkyl or aryl group, and the magenta coupler is of the formula in which R means a tertiary alkyl residue, R and R each mean a hydrogen atom or a substituent group, Y means a hydrogen atom, a halogen atom or an aryloxy residue, A and B each mean -CO- or -SO2-, n means 0 or 1, R means a hydrogen atom, an alkyl residue or an aryl residue and R means an alkyl residue, an aryl residue, an alkoxy residue, an alkylamino residue or an arylamino residue or R and R may be joined together to form a five-, six- or seven-membered ring, is distinguished by good colour reproduction, dark stability and light stability. |
---|