US4764453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of processing silver halide color photographic material
Assignee: Konica Minolta Inc
•
Filing: 1986-06-12
•
Granted: 1988-08-16
•
Expires: 2006-06-12
Abstract
Abstract A method of processing a silver halide color photographic material is disclosed. This method comprises developing said photographic material, removing the residual image-forming silver, treating, in the substantial final stage of color processing, the material with an aqueous solution containing a compound which releases ammonium ions in the solution, thereafter drying the material at a temperature not lower than 30° C., and adjusting the pH of the surface of the dried emulsion layer to between 3.0 and 6.8.
Inventors
- 👤 Shigeharu Koboshi
- 👤 Masayuki Kurematsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:48
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3046; G03C7/32; G03C7/34; G03C7/346
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
139 words
A method of processing a silver halide color photographic material which comprises imagewise exposing said photographic material to light, developing said photographic material, removing the residual image-forming silver, treating the material in substantially the final stage of color processing with an aqueous solution containing a compound which releases ammonium ions in the solution, said compound being selected from the group consisting of an aqueous solution of ammonia, ammonium hydroxide, ammonium carbonate, ammonium hydrogencarbonate, ammonium sulfate, ammonium hydrogensulfate, ammonium nitrate, ammonium sulfate, ammonium benzoate, ammonium hydroxyethyliminodiacetate, ammonium trans-cyclohexanediamintetraacetate, ammonium nitrilotrimethylenephosphonate, ammonium ethylenediamine-tetramethylenephosphonate, ammonium 1-hydroxyethylidene-1,1 -diphosphonate, ammonium 2-phosphonbutane-1,2,4-tricarbonxylate and ammonium cerium (IV) sulfate, thereafter drying the material at a temperature not lower than 30° C., wherein said treatment with said aqueous solution and said drying adjusts the pH of the surface of the dried emulsion layer to between 3.0 and 6.8.
Claim 2
Independent Claim
139 words
A method of processing a silver halide color photographic material which comprises imagewise exposing said photographic material to light, developing said photographic material, removing the residual image-forming silver, treating the material in substantially the final stage of color processing with an aqueous solution containing a compound which releases ammonium ions in the solution, said compound being selected from the group consisting of an aqueous solution of ammonia, ammonium hydroxide, ammonium carbonate, ammonium hydrogencarbonate, ammonium sulfate, ammonium hydrogensulfate, ammonium nitrate, ammonium sulfate, ammonium benzoate, ammonium hydroxyethyliminodiacetate, ammonium trans-cyclohexanediamintetraacetate, ammonium nitrilotrimethylenephosphonate, ammonium ethylenediamine-tetramethylenephosphonate, ammonium 1-hydroxyethylidene-1,1 -diphosphonate, ammonium 2-phosphonbutane-1,2,4-tricarbonxylate and ammonium cerium (IV) sulfate, thereafter drying the material at a temperature not lower than 30° C., wherein said treatment with said aqueous solution and said drying adjusts the pH of the surface of the dried emulsion layer to between 3.0 and 6.8.
Claim 3
Dependent Claim
17 words
A method according to claim 1 wherein said color processing comprises development, bleaching and/or fixing and stabilization.
Claim 4
Dependent Claim
41 words
A method according to claim 1 wherein said compound which releases ammonium ions is at least one selected from the group consisting of aqueous solution of ammonia, ammonium hydroxide, ammonium sulfate, ammonium hydrogen-sulfate, ammonium carbonate, ammonium, hydrogencarbonate, and ammonium 1-hydroxyethylidene-1,1 -diphosphonate.
Claim 5
Dependent Claim
123 words
A method according to claim 1 wherein said silver halide color photographic material has incorporated therein a cyan coupler represented by the following formula (I) or (II): ##STR6## wherein R 1 is a ballast group; X is ##STR7## (wherein R 2 is an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, or a heterocyclic group; and R 3 is a hydrogen atom or the same as R 2 ; provided that R 2 may combine with R 3 to form a 5- or 6-membered hetero ring containing a nitrogen atom); and Z represents a hydrogen atom or a group that can be eliminated when the coupler enters into a coupling reaction with the oxidized form of a color developing agent.
Claim 6
Dependent Claim
63 words
A method according to claim 4 wherein said coupler is a cyan coupler represented by the following formula (III), (IV) or (V): ##STR8## wherein R 1 and Z are as defined in formulas (I) and (II) above; R 4 represents an aryl group; and R 5 represents an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, or a heterocyclic group.
Claim 7
Dependent Claim
20 words
A method according to claim 1 wherein said aqueous solution has a pH in the range of 1 to 9.5.
Claim 8
Dependent Claim
20 words
A method according to claim 19 wherein said aqueous solution has a pH in the range of 3 to 8.5.
Claim 9
Dependent Claim
30 words
A method according to claim 1 wherein said compound which releases ammonium ions is used in an amount ranging from 0.01 to 30 g per liter of said aqueous solution.
Claim 10
Dependent Claim
30 words
A method according to claim 8 wherein said compound which releases ammonium ions is used in an amount ranging from 0.1 to 5 g per liter of said aqueous solution.
Claim 11
Independent Claim
156 words
A method of processing a silver halide color photographic material which comprises imagewise exposing said photographic material to light developing said photographic material, removing the residual image-forming silver, treating the material, in substantially the final stage of color processing, with an aqueous solution containing a compound which releases ammonium ions in the solution, said compound being selected from the group consisting of an aqueous solution of ammonia, ammonium hydroxide, ammonium carbonate, ammonium hydrogencarbonate, ammonium sulfate, ammonium hydrogensulfate, ammonium nitrate, ammonium sulfamate, ammonium benzoate, ammonium hydroxyethyliminodiacetate, ammonium tran-cyclohexanediameintetraacetate, ammonium nitrilotrimethylenephosphonate, ammonium ethylenediamintetramethylenephosphonate, ammonium 1-hydroxyethylidene-1,1'-diphosphonate, ammonium 2-phosphonbutane-1,2,4-tricarboxylate and ammonium carium (IV) sulfate, and the step of water-washing prior to said treatment in the final stage of color processing being excluded, thereafter drying the material at a temperature not lower than 30° C., wherein said treatment with said aqueous solution and said drying adjusts the pH of the surface of the dried emulsion layer to between 3.0 and 6.8.
Claim 12
Independent Claim
156 words
A method of processing a silver halide color photographic material which comprises imagewise exposing said photographic material to light developing said photographic material, removing the residual image-forming silver, treating the material, in substantially the final stage of color processing, with an aqueous solution containing a compound which releases ammonium ions in the solution, said compound being selected from the group consisting of an aqueous solution of ammonia, ammonium hydroxide, ammonium carbonate, ammonium hydrogencarbonate, ammonium sulfate, ammonium hydrogensulfate, ammonium nitrate, ammonium sulfamate, ammonium benzoate, ammonium hydroxyethyliminodiacetate, ammonium tran-cyclohexanediameintetraacetate, ammonium nitrilotrimethylenephosphonate, ammonium ethylenediamintetramethylenephosphonate, ammonium 1-hydroxyethylidene-1,1'-diphosphonate, ammonium 2-phosphonbutane-1,2,4-tricarboxylate and ammonium carium (IV) sulfate, and the step of water-washing prior to said treatment in the final stage of color processing being excluded, thereafter drying the material at a temperature not lower than 30° C., wherein said treatment with said aqueous solution and said drying adjusts the pH of the surface of the dried emulsion layer to between 3.0 and 6.8.
Claim 13
Dependent Claim
17 words
A method according to claim 6, wherein said color processing comprises development, bleaching and/or fixing and stabilization.
Claim 14
Dependent Claim
40 words
A method according to claim 6, wherein said compound which releases ammonium ions is at least one selected from the group consisting of aqueous solution of ammonia, ammonium hydroxide, ammonium sulfate, ammonium hydrogensulfate, ammonium carbonate, ammonium hydrogencarbonate, and ammonium 1-hydroxyethylidene-1,1'-diphosphonate.
Claim 15
Dependent Claim
123 words
A mehtod according to claim 6, wherein said silver halide color photographic material has incorporated therein a cyan coupler represented by the following formula (I) or (II): ##STR9## wherein R 1 is a ballast group; X is ##STR10## (wherein R 2 is an alkyl group, an alkenyl group, a cycloalkyl group, and aryl group, or a heterocyclic group; and R 3 is a hydrogen atom or the same as R 2 ; provided that R 2 may combine with R 3 to form a 5- or 6-membered hetero ring containing a nitrogen atom); and Z represents a hydrogen atom or a group that can be eliminated when the coupler enters into a coupling reaction with the oxidized form of a color developing agent.
Claim 16
Dependent Claim
62 words
A method according to claim 13 wherein said coupler is a cyan coupler represented by the following formula (III), (IV) or (V): ##STR11## wherein R 1 and Z are as defined in formulas (I) and (II) above; R 4 represents an aryl group; and R 5 represents an alkyl group, alkenyl group, a cycloalkyl group, an aryl group, or a heterocyclic group.
Claim 17
Dependent Claim
20 words
A method according to claim 10 wherein said aqueous solution has a pH in the range of 1 to 9.5.
Claim 18
Dependent Claim
20 words
A method according to claim 15 wherein said aqueous solution has a pH in the range of 3 to 8.5.
Claim 19
Dependent Claim
30 words
A method according to claim 10 wherein said compound which releases ammonium ions is used in an amount ranging from 0.01 to 30 g per liter of said aqueous solution.
Claim 20
Dependent Claim
30 words
A method according to claim 17 wherein said compound which releases ammonium ions is used in an amount ranging from 0.1 to 5 g per liter of said aqueous solution.
References Cited (Backward Citations)
US2922352A
Cited
US2956877A
Cited
US3093479A
Cited
US3335004A
Cited
US3512979A
Cited
US3666468A
Cited
EP0071402A1
Cited
US4472495A
Cited
US4567134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-16 | 1992-02-15 | 1992-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-16 | 1996-02-15 | 1996-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-16 | 2000-02-15 | 2000-08-16 | $7700.00 | Window Closed / Lapsed |