Patent US4080206A successfully refreshed from Google Patents.
US4080206A
Expired / Lapsed
US
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Photographic processing composition containing polyvinyl aminimide
Assignee: Polaroid Corp
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Filing: 1976-05-13
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Granted: 1978-03-21
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Expires: 1996-05-13
Abstract
Abstract Diffusion transfer products and processes are disclosed wherein the processing composition includes, as the viscosity increasing component thereof, a polymer containing recurring groups of the formula: ##STR1## wherein R is hydrogen, alkyl or halogen; R 1 is alkyl; R 2 and R 3 each are alkyl, aryl or alkaryl or R 2 and R 3 together may comprise an alkylene group to form a heterocyclic ring with the nitrogen.
Inventors
- 👤 Henry S. Kolesinski
- 👤 Lloyd D. Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:34
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/32; G03C8/36; G03C8/38
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
119 words
In a diffusion transfer photographic process wherein an exposed photosensitive silver halide emulsion layer is developed by being treated with a layer of photographic processing composition to provide an imagewise distribution of diffusible image-forming components, at least a portion of which are transferred through said layer of photographic processing composition to a superposed image-receiving layer to form a transfer image therein; the improvement wherein said photographic processing composition includes a polymer containing recurring groups of the formula: ##STR6## wherein R is hydrogen, alkyl or halogen; R 1 is alkyl; R 2 and R 3 each are alkyl, aryl or alkaryl or R 2 and R 3 together comprise an alkylene group to form a heterocyclic ring with the nitrogen.
Claim 2
Dependent Claim
119 words
In a diffusion transfer photographic process wherein an exposed photosensitive silver halide emulsion layer is developed by being treated with a layer of photographic processing composition to provide an imagewise distribution of diffusible image-forming components, at least a portion of which are transferred through said layer of photographic processing composition to a superposed image-receiving layer to form a transfer image therein; the improvement wherein said photographic processing composition includes a polymer containing recurring groups of the formula: ##STR6## wherein R is hydrogen, alkyl or halogen; R 1 is alkyl; R 2 and R 3 each are alkyl, aryl or alkaryl or R 2 and R 3 together comprise an alkylene group to form a heterocyclic ring with the nitrogen.
Claim 3
Dependent Claim
14 words
The process as defined in claim 1 wherein said image-forming components are dye developers.
Claim 4
Dependent Claim
14 words
The process as defined in claim 1 wherein said image-forming components are color couplers.
Claim 5
Dependent Claim
29 words
The process as defined in claim 1 wherein said exposed photosensitive silver halide is contacted with a silver halide solvent and said image-forming component is a diffusible silver complex.
Claim 6
Dependent Claim
19 words
A process as defined in claim 1 wherein R 1 , R 2 and R 3 each are methyl.
Claim 7
Dependent Claim
17 words
A process as defined in claim 23 wherein said photographic processing composition includes a quaternary ammonium compound.
Claim 8
Dependent Claim
17 words
A process as defined in claim 2 wherein said photographic processing composition includes a silver halide antifoggant.
Claim 9
Dependent Claim
15 words
A process as defined in claim 2 wherein said photographic processing composition includes a pigment.
Claim 10
Dependent Claim
17 words
A process as defined in claim 4 wherein said photographic processing composition includes a silver halide solvent.
Claim 11
Dependent Claim
17 words
A process as defined in claim 1 wherein said photographic processing composition includes a second thickening agent.
Claim 12
Dependent Claim
132 words
In a photographic diffusion transfer product comprising a light-sensitive photographic element containing at least one silver halide emulsion layer, a receiving layer for receiving images from said light-sensitive element, and an aqueous alkaline processing composition in a pressure rupturable container wherein said processing liquid is adapted to provide upon contact with an exposed photosensitive layer, as a function of development, an imagewise distribution of image-forming components and said product includes a silver halide developing agent; the improvement wherein said processing composition includes a polymer containing recurring groups of the formula: ##STR7## wherein R is hydrogen, alkyl or halogen; R 1 is alkyl; R 2 and R 3 each are alkyl, aryl or alkaryl or R 2 and R 3 together comprise an alkylene group to form a heterocyclic ring with the nitrogen.
Claim 13
Dependent Claim
132 words
In a photographic diffusion transfer product comprising a light-sensitive photographic element containing at least one silver halide emulsion layer, a receiving layer for receiving images from said light-sensitive element, and an aqueous alkaline processing composition in a pressure rupturable container wherein said processing liquid is adapted to provide upon contact with an exposed photosensitive layer, as a function of development, an imagewise distribution of image-forming components and said product includes a silver halide developing agent; the improvement wherein said processing composition includes a polymer containing recurring groups of the formula: ##STR7## wherein R is hydrogen, alkyl or halogen; R 1 is alkyl; R 2 and R 3 each are alkyl, aryl or alkaryl or R 2 and R 3 together comprise an alkylene group to form a heterocyclic ring with the nitrogen.
Claim 14
Dependent Claim
14 words
The product as defined in claim 11 which includes as image-forming components dye developers.
Claim 15
Dependent Claim
14 words
The product as defined in claim 11 which includes as image-forming components color couplers.
Claim 16
Dependent Claim
13 words
The product as defined in claim 11 which includes a silver halide solvent.
Claim 17
Dependent Claim
182 words
A photographic film unit which comprises a plurality of sequential layers including a first support; a photosensitive silver halide layer having associated therewith a dye image-forming material adapted to provide an imagewise distribution of diffusible image dye or image dye intermediate as a function of the point-to-point degree of silver halide layer exposure to actinic radiation; a layer adapted to receive said diffusible image dye or dye intermediate diffusing thereto; a second support transparent to radiation actinic to the silver halide layer; a rupturable container retaining an alkaline processing composition positioned extending transverse an edge of the film unit, and adapted, upon applicaton of pressure, to release said processing composition for distribution between layers of said film unit with said supports outermost, and a silver halide developing agent, said processing composition including a polymer containing recurring groups of the formula: ##STR8## wherein R is hydrogen, alkyl or halogen; R 1 is alkyl; R 2 and R 3 each are alkyl, aryl or alkaryl or R 2 and R 3 together comprises an alkylene group to form a heterocyclic ring with the nitrogen.
Claim 18
Dependent Claim
182 words
A photographic film unit which comprises a plurality of sequential layers including a first support; a photosensitive silver halide layer having associated therewith a dye image-forming material adapted to provide an imagewise distribution of diffusible image dye or image dye intermediate as a function of the point-to-point degree of silver halide layer exposure to actinic radiation; a layer adapted to receive said diffusible image dye or dye intermediate diffusing thereto; a second support transparent to radiation actinic to the silver halide layer; a rupturable container retaining an alkaline processing composition positioned extending transverse an edge of the film unit, and adapted, upon applicaton of pressure, to release said processing composition for distribution between layers of said film unit with said supports outermost, and a silver halide developing agent, said processing composition including a polymer containing recurring groups of the formula: ##STR8## wherein R is hydrogen, alkyl or halogen; R 1 is alkyl; R 2 and R 3 each are alkyl, aryl or alkaryl or R 2 and R 3 together comprises an alkylene group to form a heterocyclic ring with the nitrogen.
Claim 19
Dependent Claim
16 words
A film unit as defined in claim 5 wherein said processing composition includes an opacifying agent.
Claim 20
Dependent Claim
15 words
A film unit as defined in claim 16 wherein said opacifying agent comprises titanium dioxide.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-20 | 1981-09-19 | 1982-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-20 | 1985-09-19 | 1986-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-20 | 1989-09-19 | 1990-03-21 | $7700.00 | Window Closed / Lapsed |