Photographic products employing nondiffusible metal-complexed azo dye-releasing compounds and precursors thereof

In a photographic assemblage comprising:

• (a) a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a dye image-providing material;
• and
• (b) a dye image-receiving layer;
• the improvement wherein said dye image-providing material is a nondiffusible compound having at least one releasable azo dye moiety or precursor thereof, said compound having the following formula:
• ##STR42## wherein:
• (a) each Z independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms;
• (b) each Z' independently represents an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms, said Z' having, in a position adjacent to the point of attachment to the azo linkage, either (i) a nitrogen atom in said ring of said nucleus which acts as a chelating site, or (ii) a carbon atom in said ring of said nucleus having directly attached thereto a nitrogen atom which acts as a chelating site;
• (c) G is a metal chelating group;
• (d) each CAR independently represents a ballasted carrier moiety capable of releasing said diffusible azo dye moiety or precursor thereof as a function of development of said silver halide emulsion layer under alkaline conditions;
• (e) Me is a polyvalent, hexacoordinate metal ion;
• and
• (f) each n is 0 or 1, with the proviso that at least one n is 1.

In a photographic assemblage comprising:

• (a) a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a dye image-providing material;
• (b) a dye image-receiving layer;
• and
• (c) an alkaline processing composition and means containing same for discharge within said assemblage;
• said assemblage containing a silver halide developing agent;
• the improvement wherein said dye image-providing material is a nondiffusible compound having at least one releasable azo dye moiety or precursor thereof, said compound having the following formula:
• ##STR43## wherein:
• (a) each Z independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms;
• (b) each Z' independently represents an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms, said Z' having, in a position adjacent to the point of attachment to the azo linkage, either (i) a nitrogen atom in said ring of said nucleus which acts as a chelating site, or (ii) a carbon atom in said ring of said nucleus having directly attached thereto a nitrogen atom which acts as a chelating site;
• (c) G is a metal chelating group;
• (d) each CAR independently represents a ballasted carrier moiety capable of releasing said diffusible azo dye moiety or precursor thereof as a function of development of said silver halide emulsion layer under alkaline conditions;
• (e) Me is a polyvalent, hexacoordinate metal ion;
• and
• (f) each n is 0 or 1, with the proviso that at least one n is 1.

In an integral photographic assemblage comprising:

• (a) a photosensitive element comprising a transparent support having thereon the following layers in sequence:
• a dye image-receiving layer, an alkaline solution-permeable, light-reflective layer, an alkaline solution-permeable, opaque layer, a red-sensitive silver halide emulsion layer having a ballasted cyan dye releaser associated therewith, a green-sensitive silver halide emulsion layer having a ballasted magenta dye releaser associated therewith, and a blue-sensitive silver halide emulsion layer having a ballasted yellow dye releaser associated therewith;
• (b) a transparent sheet superposed over said blue-sensitive silver halide emulsion layer and comprising a transparent support having thereon, in sequence, a neutralizing layer and a timing layer;
• and
• (c) a rupturable container containing an alkaline processing composition and an opacifying agent which is so positioned during processing of said assemblage that compressive force applied to said container will effect a discharge of the container's contents between said transparent sheet and said blue-sensitive silver halide emulsion layer;
• said assemblage containing a silver halide developing agent;
• the improvement wherein at least one of said dye releasers is a compound having the following formula:
• ##STR44## wherein:
• (a) each Z independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms;
• (b) each Z' independently represents an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms, said Z' having, in a position adjacent the the point of attachment to the azo linkage, either (i) a nitrogen atom in said ring of said nucleus which acts as a chelating site, or (ii) a carbon atom in said ring of said nucleus having directly attached thereto a nitrogen atom which acts as a chelating site;
• (c) G is a metal chelating group;
• (d) each CAR independently represents a ballasted carrier moiety capable of releasing said diffusible azo dye moiety or precursor thereof as a function of development of said silver halide emulsion layer under alkaline conditions;
• (e) Me is a polyvalent, hexacoordinate metal ion;
• and
• (f) each n is 0 or 1, with the proviso that at least one n is 1.