← Back to Patent Explorer
US4053312A Expired / Lapsed US ⏱️ 0.0 years remaining

O-sulfonamidonaphthol diffusible dye image providing compounds

Assignee: Eastman Kodak Co
•
Filing: 1974-09-04
•
Granted: 1977-10-11
•
Expires: 1994-09-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Color photographic elements, diffusion transfer film units and processes are described which employ nondiffusible o-sulfonamidonaphthols which are alkali-cleavable upon oxidation to release a diffusible color-providing moiety.

Inventors

  • 👤 Lee J. Fleckenstein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:40
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/50; C09B1/51; C09B1/515; G; G03; G03C; G03C8/00; G03C8/02; G03C8/08; G03C8/10

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 69 words
A photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible o-sulfonamidonaphthol compound having a diffusible color-providing moiety attached through the sulfonamido group of said compound to the naphthalene moiety of said compound, said naphthalene moiety having a ballast radical of such molecular size and configuration as to render said compound nondiffusible during development in an alkaline processing composition.
Claim 2
Dependent Claim 69 words
A photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible o-sulfonamidonaphthol compound having a diffusible color-providing moiety attached through the sulfonamido group of said compound to the naphthalene moiety of said compound, said naphthalene moiety having a ballast radical of such molecular size and configuration as to render said compound nondiffusible during development in an alkaline processing composition.
Claim 3
Dependent Claim 119 words
A photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible sulfonamidonaphthol 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 during development in an alkaline processing composition; C. r is hydrogen or an alkali labile group; D. g represents an aromatic ring directly fused to the benzene nucleus to form a naphthalene nucleus; and E. n and m are dissimilar positive integers of 1 to 2.
Claim 4
Dependent Claim 119 words
A photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible sulfonamidonaphthol 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 during development in an alkaline processing composition; C. r is hydrogen or an alkali labile group; D. g represents an aromatic ring directly fused to the benzene nucleus to form a naphthalene nucleus; and E. n and m are dissimilar positive integers of 1 to 2.
Claim 5
Dependent Claim 22 words
The photographic element of claim 2 wherein R is H, n is 2, m is 1 and Col is an azo dye.
Claim 6
Dependent Claim 22 words
The photographic element of claim 2 wherein R is H, n is 1, m is 2 and Col is an azo dye.
Claim 7
Dependent Claim 35 words
The photographic element of claim 2 wherein there are red-, green- and blue-sensitive silver halide emulsion layers each having associated therewith said nondiffusible sulfonamidonaphthol compound containing, respectively, cyan, magenta and yellow image dye providing moieties.
Claim 8
Dependent Claim 18 words
The photographic element of claim 2 wherein each silver halide emulsion is a direct positive silver halide emulsion.
Claim 9
Dependent Claim 102 words
A photographic film unit comprising: A. a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible o-sulfonamidonaphthol compound having a diffusible color-providing moiety attached through the sulfonamido group of said compound to the naphthalene moiety of said compound, said naphthalene moiety having a ballast radical of such molecular size and configuration as to render said compound nondiffusible during development in an alkaline processing composition; B. a dye image-receiving layer; and C. means for discharging an alkaline processing composition within said film unit; said film unit containing a silver halide developing agent.
Claim 10
Dependent Claim 102 words
A photographic film unit comprising: A. a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible o-sulfonamidonaphthol compound having a diffusible color-providing moiety attached through the sulfonamido group of said compound to the naphthalene moiety of said compound, said naphthalene moiety having a ballast radical of such molecular size and configuration as to render said compound nondiffusible during development in an alkaline processing composition; B. a dye image-receiving layer; and C. means for discharging an alkaline processing composition within said film unit; said film unit containing a silver halide developing agent.
Claim 11
Dependent Claim 152 words
A photographic film unit comprising: A. a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible sulfonamidonaphthol compound which is alkali-cleavable upon oxidation to release a diffusible color-providing moiety from the benzene nucleus, said compound having the formula: ##STR6## 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 during development in an alkaline processing composition; c. R is hydrogen or an alkali labile group; d. G represents an aromatic ring directly fused to the benzene nucleus to form a naphthalene nucleus; and e. n and m are dissimilar positive integers of 1 to 2; B. a dye image-receiving layer; and C. means for discharging an alkaline processing composition within said film unit; said film unit containing a silver halide developing agent.
Claim 12
Dependent Claim 152 words
A photographic film unit comprising: A. a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible sulfonamidonaphthol compound which is alkali-cleavable upon oxidation to release a diffusible color-providing moiety from the benzene nucleus, said compound having the formula: ##STR6## 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 during development in an alkaline processing composition; c. R is hydrogen or an alkali labile group; d. G represents an aromatic ring directly fused to the benzene nucleus to form a naphthalene nucleus; and e. n and m are dissimilar positive integers of 1 to 2; B. a dye image-receiving layer; and C. means for discharging an alkaline processing composition within said film unit; said film unit containing a silver halide developing agent.
Claim 13
Dependent Claim 22 words
The film unit of claim 8 where R is H, n is 2, m is 1 and Col is an azo dye.
Claim 14
Dependent Claim 22 words
The film unit of claim 8 where R is H, n is 1, m is 2 and Col is an azo dye.
Claim 15
Dependent Claim 35 words
The film unit of claim 8 wherein there are red-, green- and blue-sensitive silver halide emulsion layers each having associated therewith said nondiffusible sulfonamidonaphthol compound containing, respectively, cyan, magenta and yellow image dye providing moieties.
Claim 16
Dependent Claim 18 words
The film unit of claim 8 wherein each silver halide emulsion is a direct positive silver halide emulsion.
Claim 17
Dependent Claim 28 words
The film unit of claim 8 wherein said dye image-receiving layer is located in said photographic element between said support and the lowermost photosensitive silver halide emulsion layer.
Claim 18
Dependent Claim 30 words
The film unit of claim 8 wherein said dye image-receiving layer is coated on a separate support and is adapted to be superposed on said photographic element after exposure thereof.
Claim 19
Dependent Claim 60 words
The film unit of claim 8 wherein said discharging means is a rupturable container and is so positioned during processing of said film unit that a compressive force applied to said container by pressure-applying members will effect a discharge of the container's contents between said dye image-receiving layer and the layer most remote from the support of said photographic element.
Claim 20
Dependent Claim 182 words
A process for producing a photographic transfer image in color comprising: A. imagewise-exposing a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible o-sulfonamidonaphthol compound having a diffusible color-providing moiety attached through the sulfonamido group of said compound to the naphthalene moiety of said compound, said naphthalene moiety having a ballast radical of such molecular size and configuration as to render said compound nondiffusible during development in an alkaline processing composition; B. treating said 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, thereby oxidizing said developing agent; i. said oxidized developing agent thereby cross-oxidizing said sulfonamidonaphthol compound; and ii. said sulfonamidonaphthol compound then cleaving, thus forming an imagewise distribution of diffusible color-providing moiety as a function of said imagewise exposure of each of said silver halide emulsion layers; whereby at least a portion of said imagewise distribution of diffusible color-providing moiety diffuses to a dye image- receiving layer to provide an image.
Claim 21
Dependent Claim 182 words
A process for producing a photographic transfer image in color comprising: A. imagewise-exposing a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible o-sulfonamidonaphthol compound having a diffusible color-providing moiety attached through the sulfonamido group of said compound to the naphthalene moiety of said compound, said naphthalene moiety having a ballast radical of such molecular size and configuration as to render said compound nondiffusible during development in an alkaline processing composition; B. treating said 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, thereby oxidizing said developing agent; i. said oxidized developing agent thereby cross-oxidizing said sulfonamidonaphthol compound; and ii. said sulfonamidonaphthol compound then cleaving, thus forming an imagewise distribution of diffusible color-providing moiety as a function of said imagewise exposure of each of said silver halide emulsion layers; whereby at least a portion of said imagewise distribution of diffusible color-providing moiety diffuses to a dye image- receiving layer to provide an image.
Claim 22
Dependent Claim 235 words
A process for producing a photographic transfer image in color comprising: A. imagewise-exposing a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible sulfonamidonaphthol compound which is alkali-cleavable upon oxidation to release a diffusible color-providing moiety from the benzene nucleus, said compound having the formula: ##STR7## 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 during development in an alkaline processing composition; c. R is hydrogen or an alkali labile group; d. G represents an aromatic ring directly fused to the benzene nucleus to form a naphthalene nucleus; and e. n and m are dissimilar positive integers of 1 to 2; B. treating said 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, thereby oxidizing said developing agent; C. said oxidized developing agent thereby cross-oxidizing said sulfonamidonaphthol compound; D. said sulfonamidonaphthol compound then cleaving, thus forming an imagewise distribution of diffusible dye or dye precursor as a function of said imagewise exposure of each of said silver halide emulsion layers; and E. at least a portion of said imagewise distributions of diffusible dye or dye precursor diffusing to a dye image-receiving layer to provide an image.
Claim 23
Dependent Claim 235 words
A process for producing a photographic transfer image in color comprising: A. imagewise-exposing a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a nondiffusible sulfonamidonaphthol compound which is alkali-cleavable upon oxidation to release a diffusible color-providing moiety from the benzene nucleus, said compound having the formula: ##STR7## 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 during development in an alkaline processing composition; c. R is hydrogen or an alkali labile group; d. G represents an aromatic ring directly fused to the benzene nucleus to form a naphthalene nucleus; and e. n and m are dissimilar positive integers of 1 to 2; B. treating said 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, thereby oxidizing said developing agent; C. said oxidized developing agent thereby cross-oxidizing said sulfonamidonaphthol compound; D. said sulfonamidonaphthol compound then cleaving, thus forming an imagewise distribution of diffusible dye or dye precursor as a function of said imagewise exposure of each of said silver halide emulsion layers; and E. at least a portion of said imagewise distributions of diffusible dye or dye precursor diffusing to a dye image-receiving layer to provide an image.
Claim 24
Dependent Claim 21 words
The process of claim 17 wherein R is H, n is 2, m is 1 and Col is an azo dye.
Claim 25
Dependent Claim 21 words
The process of claim 17 wherein R is H, n is 1, m is 2 and Col is an azo dye.
Claim 26
Dependent Claim 34 words
The process of claim 17 wherein there are red-, green-, and blue-sensitive silver halide emulsion layers each having associated therewith said nondiffusible sulfonamidonaphthol compound containing, respectively, cyan, magenta and yellow image dye providing moieties.
Claim 27
Dependent Claim 17 words
The process of claim 17 wherein each silver halide emulsion is a direct positive silver halide emulsion.

References Cited (Backward Citations)

US2306410A Cited
GB512559A Cited
US2774668A Cited
US3443943A Cited
US3443940A Cited
US3443941A Cited
US3443939A Cited
US3751406A Cited
US3698897A Cited
US3734726A Cited
US3960569A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-10-10 1981-04-11 1981-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-10-10 1985-04-11 1985-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-10-10 1989-04-11 1989-10-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag