| abstract |
When using DIR couplers of the formula I in color photographic silver halide materials, high edge effects and interimage effects are achieved. n n n In formula I mean: R¹ is alkyl, for example -C₄H₉-t, aryl, for example p-alkoxyphenyl -NH-aryl or -NH-NH-R³; R² H, halogen, for example chlorine, alkoxy, alkylthio or -NH-R⁴; R³, R⁴ acyl; X is the residue of a photographically active compound with a monocyclic 1,2,3- or 1,2,4-triazole ring; TIME a link; n 0 or 1. |