Processing compositions for color transfer processes comprising alkali metal fluorides and oxalates

Claim 2

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; b. a dye image-receiving layer; and c. an alkaline processing composition having a pH of at least about 11 and means for discharging same within said assemblage; said assemblage containing a silver halide developing agent; the improvement wherein said alkaline composition contains a salt which is an alkali metal fluoride or an alkali metal oxalate.

Claim 3

The assemblage of claim 1 wherein: a. said dye image-receiving layer is located between said support and said silver halide emulsion layer; and b. said assemblage also includes a transparent cover sheet over the layer outermost from said support.

Claim 4

The assemblage of claim 2 wherein said cover sheet is coated with, in sequence, a neutralizing layer and a timing layer.

Claim 5

The assemblage of claim 3 wherein said discharging means is a rupturable container containing said alkaline processing composition and an opacifying agent, said container being so positioned during processing of said assemblage that a compressive force applied to said container will effect a discharge of the container's contents between said transparent sheet and the layer outermost from said support.

Claim 6

The assemblage of claim 1 wherein said salt is present in said processing composition at a concentration of from about 0.01 N to about 0.5 N.

Claim 7

The assemblage of claim 1 wherein said salt is potassium fluoride.

Claim 8

The assemblage of claim 1 wherein said salt is potassium oxalate.

Claim 9

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 coated with, in sequence, a neutralizing layer and a timing layer; and c. a rupturable container containing an alkaline processing composition, an opacifying agent, and a salt which is an alkali metal fluoride or an alkali metal oxalate, said composition having a pH of at least about 11, said container being so positioned during processing of said assemblage that a 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.

Claim 10

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 coated with, in sequence, a neutralizing layer and a timing layer; and c. a rupturable container containing an alkaline processing composition, an opacifying agent, and a salt which is an alkali metal fluoride or an alkali metal oxalate, said composition having a pH of at least about 11, said container being so positioned during processing of said assemblage that a 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.

Claim 11

The assemblage of claim 8 wherein each said dye releaser is a ballasted sulfonamido compound which is alkali-cleavable upon oxidation to release a diffusible color-providing moiety from the benzene nucleus, said compound having the formula: ##STR5## wherein: a. Col is a dye or dye precursor moiety; b. Ballast is an organic ballasting radical of such molecular size and configuration as to render said compound nondiffusible in said photosensitive element during development in an alkaline processing composition at a pH of at least about 11; c. G is OR or NHR 1 wherein R is hydrogen or a hydrolyzable moeity and R 1 is hydrogen or an alkyl group of 1 to 22 carbon atoms; d. Y represents the atoms necessary to complete a benzene nucleus, a naphthalene nucleus, or a 5-7 membered heterocyclic ring; and e. n is a positive integer of 1 to 2 and is 2 when G is OR or when R 1 is hydrogen or an alkyl group of less than 8 carbon atoms.

Claim 12

The assemblage of claim 9 wherein each said silver halide emulsion is an internal-image silver halide emulsion.

Claim 13

The assemblage of claim 1 wherein said support having thereon said photosensitive silver halide emulsion layer is opaque and said dye image-receiving layer is located on a separate transparent support superposed over the layer outermost from said opaque support.

Claim 14

The assemblage of claim 11 wherein said transparent support is coated with, in sequence, a neutralizing layer, a timing layer, and said dye image-receiving layer.

Claim 15

In a process for producing a photographic transfer image in color from an imagewise-exposed photosensitive element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a dye image-providing material; said process comprising treating said photosensitive element with an alkaline processing composition in the presence of a silver halide developing agent to effect development of each of said exposed silver halide emulsion layers, said alkaline composition having a pH of at least about 11, whereby an imagewise distribution of dye image-providing material is formed as a function of development and at least a portion of it diffuses to a dye image-receiving layer to provide said transfer image, the improvement comprising including in said alkaline processing composition a salt which is an alkali metal fluoride or an alkali metal oxalate.

Claim 16

In a process for producing a photographic transfer image in color from an imagewise-exposed photosensitive element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a dye image-providing material; said process comprising treating said photosensitive element with an alkaline processing composition in the presence of a silver halide developing agent to effect development of each of said exposed silver halide emulsion layers, said alkaline composition having a pH of at least about 11, whereby an imagewise distribution of dye image-providing material is formed as a function of development and at least a portion of it diffuses to a dye image-receiving layer to provide said transfer image, the improvement comprising including in said alkaline processing composition a salt which is an alkali metal fluoride or an alkali metal oxalate.

Claim 17

The process of claim 3 wherein said salt is potassium fluoride.

Claim 18

The process of claim 13 wherein said salt is potassium oxalate.

Claim 19

The process of claim 13 wherein said salt is present in said processing composition at a concentration of from about 0.01 N to about 0.5 N.