Silver halide photographic elements having improved sensitivity
AssigneeImation Corp.
InventorsSergio Massirio, Raffaella Biavasco, Flavio Costa
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Abstract
Silver halide photographic element comprising a support having coated thereon red-, green- and blue-sensitive silver halide emulsion layers comprising, respectively, cyan, magenta and yellow dye-forming couplers, wherein the blue-sensitive emulsion layer comprises at least two blue-sensitive emulsion layers, the uppermost of which has the highest-sensitivity and the lowermost of which has the lowest sensitivity, characterized in that the uppermost highest sensitivity blue-sensitive silver halide emulsion layer comprises a yellow dye-forming coupler and a cyan dye-forming coupler.
Claims9
A multilayer color photographic element comprising a support having coated thereon red-, green- and blue-sensitive silver halide emulsion layers comprising, respectively, cyan, magneta and yellow dye-forming couplers, wherein the blue-sensitive emulsion layer comprises at least two blue-sensitive emulsions layers, the uppermost of which, located furthest from the support, has the highest sensitivity and the lowermost of which, located closest to the support, has the lowest sensitivity, characterized in that the uppermost highest sensitivity blue-sensitive silver halide emulsion layer comprises a yellow dye-forming coupler and a cyan dye-forming coupler, the cyan dye-forming coupler being represented by the formula
- wherein Ball is a ballasting group which renders the coupler non-diffusible in photographic coatings, Y represents a halogen atom, and X represents a hydrogen atom.
Dependencies are inferred from the claim text.