Claims
- 1. A photographic product comprising a plurality of layers including a support and at least one photosensitive silver halide emulsion layer carried on said support, at least one of said layers containing a colored triarylmethane compound possessing in its triarylmethane structure a 4'-oxo-1'-naphthylidene or a 4'-oxo-1'-phenylidene moiety; a naphthyl moiety or a phenyl moiety; and a phenyl moiety substituted in the ortho-position to the central carbon atom of said triarylmethane compound with a non-nucleophilic group that cannot add to said central carbon atom but in alkaline solution undergoes an irreversible cleavage reaction with base that is complete within a predetermined time at a predetermined alkaline pH to provide a nucleophilic moiety that adds to said central carbon atom to form a ring-closed compound which is colorless.
- 2. A photographic product as defined in claim 1 wherein said colored compound is disposed in a processing composition permeable layer on the same side of said support as said silver halide emulsion layer(s).
- 3. A photographic product as defined in claim 2 which comprises, in order, said support, said photosensitive silver halide emulsion layer and said layer containing said colored compound.
- 4. A photographic product as defined in claim 3 which includes a silver-precipitating layer carried on said support or on a second support and so positioned as to receive a silver diffusion transfer image upon application of an aqueous alkaline processing composition to provide a silver halide developing agent and a silver halide solvent.
- 5. A photographic product as defined in claim 4 which comprises, in order, said support, an additive multicolor screen, said silver-precipitating layer, said photosensitive silver halide emulsion layer and said layer of said colored compound, said support being transparent.
- 6. A photographic product as defined in claim 2 wherein said support is transparent and said colored compound is disposed in a layer between said support and said silver halide emulsion layer(s).
- 7. A photographic product as defined in claim 2 which additionally includes a layer of said colored compound coated over the photosensitive silver halide emulsion layer outermost from said support on the surface opposite said support.
- 8. A photographic product as defined in claim 2 wherein said silver halide emulsion layers are a red-sensitive silver halide emulsion, a green-sensitive silver halide emulsion and a blue-sensitive silver halide emulsion, each said emulsion layer having an image dye-providing substance associated therewith.
- 9. A photographic product as defined in claim 1 wherein said colored compound has the formula ##STR98## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen; alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group; R' is selected from ##STR99## wherein R" is methyl, unsubstituted or substituted with one or two halo groups or substituted with a phenyl, alkoxy or phenoxy group, and ##STR100## wherein Y is an electron-withdrawing group; and R and R' taken with said ##STR101## represents ##STR102##
- 10. A photographic product as defined in claim 1 wherein said colored compound has the formula ##STR103## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.12 and R.sup.14 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; and R.degree. is hydrogen; alkyl, unsubstituted or substituted with halo, alkoxy, carboxy-substituted alkoxy, phenoxy or phenyl; or phenyl, unsubstituted or substituted in the m- or p-position with halo, alkoxy, nitro, dimethylamino or alkyl.
- 11. A photographic product as defined in claim 1 wherein said colored compound has the formula ##STR104## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy, R.sup.12 and R.sup.14 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.'" is alkyl, unsubstituted or substituted with a solubilizing group; and Y is an electron-withdrawing group.
- 12. A photographic product as defined in claim 1 wherein said colored compound has the formula ##STR105## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen; alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group and Y is an electron-withdrawing group.
- 13. A photographic product for forming a multicolor diffusion transfer image, said product comprising a first sheet-like element comprising a first support carrying a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a blue-sensitive silver halide emulsion layer, said silver halide emulsion layers having associated therewith, respectively, a cyan image dye-providing material, a magenta image dye-providing material and a yellow image dye-providing material; a second sheet-like element comprising a second support; said first and second sheet-like elements being in superposed relationship, or adapted to be brought into superposed relationship, with said supports being outermost; at least one of said supports being transparent to permit photoexposure of said silver halide emulsions therethrough; a rupturable container releasably holding an aqueous alkaline processing composition, said rupturable container being so positioned as to be capable of discharging said processing composition between a pair of predetermined layers carried by said supports; an image-receiving layer carried by one of said supports; and a colored triarylmethane compound being disposed in a processing composition permeable layer carried by one of said supports, said triarylmethane compound possessing in its triarylmethane structure a 4'-oxo-1'-naphthylidene or a 4'-oxo-1'-phenylidene moiety; a naphthyl moiety or a phenyl moiety; and a phenyl moiety substituted in the ortho-position to the central carbon atom of said triarylmethane compound with a non-nucleophilic group that cannot add to said central carbon atom but in alkaline solution undergoes an irreversible cleavage reaction with base that is complete within a predetermined time at a predetermined alkaline pH to provide a nucleophilic moiety that adds to said central carbon atom to form a ring-closed compound which is colorless.
- 14. A photographic product as defined in claim 13 wherein said colored compound is so positioned that photoexposure of said silver halide emulsion layers is effected therethrough.
- 15. A photographic product as defined in claim 14 wherein said second support is transparent and said image-receiving layer and said colored compound are carried by said transparent second support of said second sheet-like element.
- 16. A photographic product as defined in claim 15 wherein said colored compound is disposed in said image-receiving layer.
- 17. A photographic product as defined in claim 15 wherein said first support is opaque.
- 18. A photographic product as defined in claim 14 wherein said first and second supports are transparent.
- 19. A photographic product as defined in claim 13 wherein said product includes means providing a layer of a white pigment between said image-receiving layer and said silver halide emulsions.
- 20. A photographic product as defined in claim 19 wherein said means providing a layer of a white pigment comprises a white pigment dispersed in said processing composition.
- 21. A photographic product as defined in claim 19 wherein said means providing a layer of a white pigment comprises a preformed layer of a white pigment.
- 22. A photographic product as defined in claim 21 wherein said colored compound is disposed in said preformed layer of a white pigment.
- 23. A photographic product as defined in claim 13 wherein each said image dye-providing materials is an image dye-providing material selected from image dyes and image dye intermediates.
- 24. A photographic product as defined in claim 23 wherein each said image dye-providing material is a dye.
- 25. A photographic product as defined in claim 24 wherein each said dye is a dye developer.
- 26. A photographic product as defined in claim 13 wherein said first and second sheet-like elements are in superposed relationship.
- 27. A photographic product as defined in claim 13 wherein said second sheet-like element is adapted to be superposed with said first sheet-like element.
- 28. A photographic product as defined in claim 13 wherein said colored compound has the formula ##STR106## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group; R' is selected from ##STR107## wherein R" is methyl, unsubstituted or substituted with one or two halo groups or substituted with a phenyl, alkoxy or phenoxy group, and ##STR108## wherein Y is an electron-withdrawing group; and R and R' taken with said ##STR109## represents ##STR110##
- 29. A photographic product as defined in claim 13 wherein said colored compound has the formula ##STR111## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.12 and R.sup.14 each are selected from hyrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; and R.degree. is hydrogen; alkyl, unsubstituted or substituted with halo, alkoxy, carboxy-substituted alkoxy, phenoxy or phenyl; or phenyl, unsubstituted or substituted in the m- or p-position with halo, alkoxy, nitro, dimethylamino or alkyl.
- 30. A photographic product as defined in claim 13 wherein said colored compound has the formula ##STR112## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy, R.sup.12 and R.sup.14 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; R'" is alkyl, unsubstituted or substituted with a solubilizing group; and Y is an electron-withdrawing group.
- 31. A photographic product as defined in claim 13 wherein said colored compound has the formula ##STR113## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen; alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group of a phenyl group, unsubstituted or substituted with a solubilizing group and Y is an electron-withdrawing group.
- 32. A photographic process which comprises the steps of exposing a photosensitive film comprising a plurality of layers including at least one photosensitive silver halide emulsion layer carried on a support, at least one of said layers containing a colored triarylmethane compound possessing in its triarylmethane structure a 4'-oxo-1'-naphthylidene or a 4'-oxo-1'-phenylidene moiety; a naphthyl moiety or a phenyl moiety; and a phenyl moiety substituted in the ortho-position to the central carbon atom of said triarylmethane compound with a non-nucleophilic group that cannot add to said central carbon atom but in alkaline solution undergoes an irreversible cleavage reaction but with base that is complete within a predetermined time at a predetermined alkaline pH to provide a nucleophilic moiety that adds to said central carbon atom to form a ring-closed compound which is colorless and contacting said photosensitive silver halide emulsion layer(s) with an aqueous alkaline processing composition having an alkaline pH to effect development.
- 33. A photographic process as defined in claim 32 wherein said colored compound is disposed in a processing composition permeable layer on the same side of said support as said silver halide emulsion layer and the pH of said processing composition in contact with said colored compound is maintained at an alkaline pH for a time sufficient to effect cleavage of said non-nucleophilic group whereby said colored compound is converted to a colorless compound.
- 34. A photographic process as defined in claim 33 wherein said support is transparent and said colored compound is disposed in a layer between said support and said silver halide emulsion layer(s).
- 35. A photographic process as defined in claim 33 wherein said film includes a layer of said colored compound coated over the silver halide emulsion layer outermost from said support on the surface opposite said support.
- 36. A photographic process as defined in claim 33 wherein said silver halide emulsion layers are a red-sensitive silver halide layer, a green-sensitive silver halide layer and a blue-sensitive silver halide layer, each said emulsion layer having an image dye-providing material associated therewith.
- 37. A photographic process as defined in claim 33 including the step of separating said processing composition from contact with said film unit subsequent to development and irreversible cleavage of said non-nucleophilic group.
- 38. A photographic process which comprises, in combination, the steps of:
- (a) exposing a photosensitive film unit comprising a plurality of layers including a support carrying at least one photosensitive silver halide emulsion layer having associated therewith an image-providing material, an image-receiving layer adapted to receive a solubilized image-providing material diffusing thereto, at least one of said layers on the same side of said support as said silver halide layer(s) containing a colored triarylmethane compound possessing in its triarylmethane structure a 4'-oxo-1'-naphthylidene or a 4'-1'-phenylidene moiety; a naphthyl moiety or a phenyl moiety; and a phenyl moiety substituted in the ortho-position to the central carbon atom of said triarylmethane compound with a non-nucleophilic group that cannot add to said central carbon atom but in alkaline solution undergoes an irreversible cleavage reaction with base that is complete within a predetermined time at a predetermined alkaline pH to provide a nucleophilic moiety that adds to said central carbon atom to form a ring-closed compound which is colorless;
- (b) contacting said silver halide layer(s) and said colored compound with a processing composition having an alkaline pH at least as high as said predetermined pH;
- (c) effecting thereby development of said silver halide layer(s);
- (d) maintaining the pH of said processing composition in contact with said colored compound at least as high as said predetermined alkaline pH for a time sufficient to effect irreversible cleavage of said non-nucleophilic group whereby said colored compound is converted to said colorless ring-closed compound;
- (e) forming as a result of said development, an imagewise distribution of diffusible image-providing material; and
- (f) transferring, by diffusion, at least a portion of said imagewise distribution of diffusible image-providing material to said layer adapted to receive said material to provide a transfer image thereto.
- 39. A photographic process as defined in claim 38 which includes the step of maintaining said film unit intact subsequent to said processing.
- 40. A photographic process as defined in claim 39 wherein said processing composition includes a silver halide solvent and said transfer image is an image in silver.
- 41. A photographic process as defined in claim 40 wherein said photosensitive film unit comprises, in order, a transparent support, an additive multicolor screen, an image-receiving layer comprising a silver-precipitating layer, a photosensitive silver halide emulsion layer and a layer of said colored compound.
- 42. A photographic process as defined in claim 38 wherein said colored compound has the formula ##STR114## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 are taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group; R' is selected from ##STR115## wherein R" is methyl, unsubstituted or substituted with one or two halo groups or substituted with a phenyl, alkoxy or phenoxy group, and ##STR116## wherein Y is an electron-withdrawing group; and R and R' taken with said ##STR117## represents ##STR118##
- 43. A photographic process as defined in claim 38 wherein said colored compound has the formula ##STR119## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.12 and R.sup.14 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; and R.degree. is hydrogen; alkyl, unsubstituted or substituted with halo, alkoxy, carboxy-substituted alkoxy, phenoxy or phenyl; or phenyl, unsubstituted or substituted in the m- or p-position with halo, alkoxy, nitro, dimethylamino or alkyl.
- 44. A photographic process as defined in claim 38 wherein said colored compound has the formula ##STR120## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.12 and R.sup.14 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; R'" is alkyl, unsubstituted or substituted with a solubilizing group; and Y is an electron-withdrawing group.
- 45. A photographic process as defined in claim 38 wherein said colored compound has the formula ##STR121## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen; alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group and Y is an electron-withdrawing group.
- 46. A photographic process for forming a multicolor diffusion transfer image which comprises the steps of:
- (a) exposing a photosensitive film unit which includes, in combination, a first sheet-like element comprising a first support carrying a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a blue-sensitive silver halide emulsion layer, said silver halide emulsion layers having associated therewith, respectively, a cyan image dye-providing material, a magenta image dye-providing material and a yellow image dye-providing material; a second sheet-like element comprising a second support; said first and second sheet-like elements being in superposed relationship, or adapted to be brought into superposed relationship, with said supports being outermost; at least one of said supports being transparent to permit photoexposure of said silver halide emulsions therethrough; a rupturable container releasably holding an aqueous alkaline processing composition, said rupturable container being so positioned as to be capable of discharging said processing composition between a pair of predetermined layers carried by said supports; an image-receiving layer carried by one of said supports; and a colored compound disposed in a processing composition permeable layer carried by one of said supports, said colored compound being a triarylmethane compound possessing in its triarylmethane structure a 4'-oxo-1'-naphthylidene or a 4'-oxo-1'-phenylidene moiety; a naphthyl moiety or a phenyl moiety; and a phenyl moiety substituted in the ortho-position to the central carbon atom of said triarylmethane compound with a non-nucleophilic group that cannot add to said central carbon atom but in alkaline solution undergoes an irreversible cleavage reaction with base that is complete within a predetermined time at a predetermined alkaline pH to provide a nucleophilic moiety that adds to said central carbon atom to form a ring-closed compound which is colorless;
- (b) contacting said silver halide layer(s) and said colored compound with a processing composition having an alkaline pH at least as high as said predetermined pH;
- (c) effecting thereby development of said silver halide layer(s);
- (d) maintaining the pH of said processing composition in contact with said colored compound at least as high as said predetermined alkaline pH for a time sufficient to effect irreversible cleavage of said non-nucleophilic group whereby said colored compound is converted to said colorless ring-closed compound;
- (e) forming as a result of said development, an imagewise distribution of diffusible image dye-providing material; and
- (f) transferring, by diffusion, at least a portion of said imagewise distribution of diffusible image dye-providing material to said image-receiving layer to provide a transfer image thereto.
- 47. A photographic process as defined in claim 46 wherein said colored compound is so positioned that exposure of said silver halide layer(s) is effected therethrough.
- 48. A photographic process as defined in claim 47 wherein said second support is transparent and said image-receiving layer and said colored compound are carried by said transparent second support of said second sheet-like element.
- 49. A photographic process as defined in claim 47 wherein said product includes means providing a layer of a white pigment between said image-receiving layer and said silver halide emulsions.
- 50. A photographic process as defined in claim 49 wherein said means providing a layer of white pigment comprises a white pigment dispersed in said processing composition.
- 51. A photographic process as defined in claim 49 wherein said means providing a layer of a white pigment comprises a performed layer of a white pigment.
- 52. A photographic process as defined in claim 48 wherein said colored compound is disposed in said image-receiving layer.
- 53. A photographic process as defined in claim 48 wherein said first support is opaque.
- 54. A photographic process as defined in claim 46 wherein each said image dye-providing materials is an image dye-providing material selected from image dyes and image dye intermediates.
- 55. A photographic process as defined in claim 54 wherein each said image dye-providing material is a dye.
- 56. A photographic process as defined in claim 55 wherein each said dye is a dye developer.
- 57. A photograhic process as defined in claim 46 wherein said first and second sheet-like elements are in superposed relationship.
- 58. A photographic product as defined in claim 46 wherein said second sheet-like element is adapted to be superposed with said first sheet-like element.
- 59. A photographic process as defined in claim 46 wherein said colored compound has the formula ##STR122## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group; R' is selected from ##STR123## wherein R" is methyl, unsubstituted or substituted with one or two halo groups or substituted with a phenyl, alkoxy or phenoxy group, and ##STR124## wherein Y is an electron-withdrawing group; and R and R' taken with said ##STR125## represents ##STR126##
- 60. A photographic process as defined in claim 46 wherein said colored compound has the formula ##STR127## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.12 and R.sup.14 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; and R.degree. is hydrogen; alkyl, unsubstituted or substituted with halo, alkoxy, carboxy-substituted alkoxy, phenoxy or phenyl, or phenyl, unsubstituted or substituted in the m- or p-position with halo, alkoxy, nitro, dimethylamino or alkyl.
- 61. A photographic process as defined in claim 46 wherein said colored compound has the formula ##STR128## wherein R.sup.11 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.12 and R.sup.14 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.11 and R.sup.12 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.13 is hydrogen, alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.15 is hydrogen, phenyl, alkyl, alkoxy, chloro or fluoro; R.sup.16 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.17 is hydrogen, alkyl, alkoxy or hydroxy and R.sup.16 and R.sup.17 taken together represent the carbon atoms necessary to complete a fused benzene ring; R'" is alkyl, unsubstituted or substituted with a solubilizing group; and Y is an electron-withdrawing group.
- 62. A photographic process as defined in claim 46 wherein said colored compound has the formula ##STR129## wherein R.sup.1 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.2 and R.sup.4 each are selected from hydrogen, alkyl, alkoxy, chloro and fluoro; R.sup.1 and R.sup.2 taken together represent the carbon atoms necessary to complete a fused benzene ring; R.sup.3 is hydrogen; alkyl, alkoxy, hydroxy, -N,N-(dialkyl)amino, -N,N-(w-R.sup.8 alkyl).sub.2 amino wherein R.sup.8 is halo or hydroxy; piperidino, pyrrolidino, N-methylpiperazino, morpholino, thiomorpholino or tetrahydro-2H,4H-1,3,6-dioxazocino; R.sup.2, R.sup.3 and R.sup.4 taken together represent the atoms necessary to complete a fused [ij]quinolizidine ring; R.sup.5 is hydrogen, alkyl, phenyl, alkoxy, chloro, fluoro or perhalomethylcarbinol; R.sup.6 is hydrogen, alkyl, alkoxy, chloro or fluoro; R.sup.7 is hydrogen, alkyl, alkoxy or hydroxy; R.sup.6 and R.sup.7 taken together represent the carbon atoms necessary to complete a fused benzene ring; R is an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group and Y is an electron-withdrawing group.
CROSS-REFERENCE TO RELATED APPLICATION
This is a continuation-in-part of application Ser. No. 106,520 filed Dec. 26, 1979 and now abandoned.
US Referenced Citations (6)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
106520 |
Dec 1979 |
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