| 摘要 |
A photographic construction comprises at least one spectrally-sensitized polymeric binder layer containing photographic silver halide and, in association therewith a. a non-light sensitive organic silver salt oxidizing agent, b. at least one biphenol color-forming reducing agent having the formula <IMAGE> wherein each R is independently selected from a straight chain or branched alkyl or alkoxy group having 1 to 6 carbon atoms, and phenyl, and R1 is hydrogen or an alkalilabile protecting group, and c. at least one aliphatic or aromatic carboxylic acid of a specific class, which preferably is p-aminobenzoic acid, as development modifier, and d. optionally, at least one toner.
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