COLOR PHOTOGRAPHIC SILVER HALIDE MATERIAL

PROBLEM TO BE SOLVED: To enhance the stability to a light of a dye from a cyan coupler by forming a specified photosensitive silver halide emulsion layer containing a specified compound. SOLUTION: The color photographic silver halide material has a substrate and at least one photosensitive silver ha...

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Bibliographische Detailangaben
Hauptverfasser: ODENWAELDER HEINRICH DR, GEIGER MARKUS DR, HAGEMANN JOERG DR
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To enhance the stability to a light of a dye from a cyan coupler by forming a specified photosensitive silver halide emulsion layer containing a specified compound. SOLUTION: The color photographic silver halide material has a substrate and at least one photosensitive silver halide emulsion layer deposited on the substrate and containing a heterocyclic cyan coupler and a compound of formula I or II. In the formula I, R1 is H, an alkyl or acyl, R2 and R3 are each an alkyl, cycloalkyl, alkenyl, aryl, halogen, OR4, SR5, NR6R7, nitro, cyano, SO2R8, COOR9, COR10 or heteroaryl. In the formula II, R11 and R12 are each an alkyl, cycloalkyl, aryl, halogen, SR5, NR6R7, nitro, cyano, SO2R8, COOR9, COR10, heteroaryl or H and R13 and R14 are each OR15 or have the same meaning as R11.