| 摘要 |
Process for the production of a photographic black dye image which comprises (a) imagewise exposing photographic silver halide material comprising at least one silver halide emulsion layer coated on a support, there being present in the silver halide emulsion layer(s) or in a layer in operative contact with at least one silver halide emulsion layer a resorcinol compound of the formula <IMAGE> where each of W, Y and Z is hydrogen, chlorine or bromine, a nitrogen-linked heterocycle, -SR1 where R1 is alkyl, aryl or a heterocycle or W, Y or Z is acylamino or -R3 where -R3 is alkyl, cycloalkyl or aralkyl or Z alone is -CO-R1 where R1 is as just defined but at least one of W, Y and Z must be -R3, and X which is the coupling position is hydrogen, chlorine or bromine, a nitrogen-linked heterocycle or -SR1, (b) color developing the exposed material using a color developing solution which comprises an aqueous alkaline solution of a primary aromatic amine color developing agent to form simultaneously a silver image and a black dye image, (c) optionally bleaching the silver image, and then (d) fixing out all the silver halide in the material using an aqueous solution of a silver halide solvent.
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