EP0147016A2
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EP
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Process for processing a silver halide color photographic material (1111119
Assignee: Konica Minolta Inc
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Filing: 1984-10-05
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Granted: —
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Expires: 2004-10-05
Abstract
Abstract A process for processing a silver halide color photographic material is disclosed which inhibits mould growth on the material. This process comprises developing the photographic material, removing the residual image-forming silver, treating the material, in the substantially final stage of color processing, with an aqueous solution of a compound which releases ammonium ions in the solution, drying the material at a temperature not lower than 30°C, and adjusting the pH of the surface of the dried emulsion layer to from 3.0 to 6.8.
Inventors
- 👤 Shigeharu Koboshi
- 👤 Masayuki Kurematsu
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 17:57
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3046; G03C7/32; G03C7/34; G03C7/346
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
73 words
A process for processing a silver halide colour photographic material which comprises developing the photographic material, removing the residual image-forming silver, treating the material in the substantially final stage of colour processing with an aqueous solution of a compound which releases ammonium ions in the solution, drying the material at a temperature not lower than 30°C, and adjusting the pH of the surface of the dried emulsion layer to from 3.0 to 6.8.
Claim 2
Dependent Claim
73 words
A process for processing a silver halide colour photographic material which comprises developing the photographic material, removing the residual image-forming silver, treating the material in the substantially final stage of colour processing with an aqueous solution of a compound which releases ammonium ions in the solution, drying the material at a temperature not lower than 30°C, and adjusting the pH of the surface of the dried emulsion layer to from 3.0 to 6.8.
Claim 3
Dependent Claim
18 words
A process according to claim 1, wherein the colour processing comprises development, bleaching and/or fixing and stabilization steps.
Claim 4
Dependent Claim
31 words
A process according to claim 1 or 2, wherein the colour processing is substantially exclusive of a washing step prior to the treatment in the substantially final stage of colour processing.
Claim 5
Dependent Claim
56 words
A process according to any one of the preceding claims, wherein the compound which releases ammonium ions is ammonia, ammonium hydroxide, ammonium carbonate, ammonium hydrogencarbonate, ammonium sulfate, ammonium hydrogensulfate, ammonium nitrate, ammonium sulfamate, ammonium benzoate, ammonium hydroxyethyliminodiacetate, ammonium trans-cyclohexanediamintetraacetate, ammonium nitrilotrimethylenephosphonate, ammonium ethylenediamin- tetramethylenephosphonate, ammonium 1-hydroxyethylidene- l,l'-diphosphonate, ammonium 2-phosphonbutane-l,2,4-tricarboxylate, ammonium alum or ammonium cerium (IV) sulfate.
Claim 6
Dependent Claim
31 words
A process according to claim 4, wherein the compound which releases ammonium ions is ammonia, ammonium hydroxide, ammonium sulfate, ammonium hydrogensulfate, ammonium carbonate, ammonium hydrogencarbonate, ammonium alum or ammonium l-hydroxyethylidene-1,1'- diphosphonate.
Claim 7
Dependent Claim
139 words
A process according to any one of the preceding claims, wherein the silver halide colour photographic material has incorporated therein a cyan coupler of formula: or wherein R 1 is a ballast group; X is a -COR 2 , -SO 2 R 2 , or -CONHSO 2 R 2 group, wherein R 2 and R 31 which may be identical or different, are an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group or a heterocyclic group with the added possibility that R 3 is a hydrogen atom, or R 2 and R 3 together with the nitrogen atom to which they are attached form a 5- or 6-membered hetero ring and Z is a hydrogen atom or a group that can be eliminated when the coupler reacts with the oxidized form of a colour developing agent.
Claim 8
Dependent Claim
52 words
A process according to claim 6, wherein the coupler is a cyan coupler of formula: or wherein R1 and Z are as defined in claim 6; R 4 is an aryl group; and R 5 is an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, or a heterocyclic group.
Claim 9
Dependent Claim
32 words
A process according to any one of the preceding claims, wherein the aqueous solution of a compound which releases ammonium ions into the solution has a pH of from 1 to 9.5.
Claim 10
Dependent Claim
28 words
A process according to claim 8, wherein the aqueous solution of a compound which releases ammonium ions into the solution has a pH of from 3 to 8.5.
Claim 11
Dependent Claim
33 words
A process according to any one of the preceding claims, wherein the compound which releases ammonium ions is used in an amount of from 0.01 to 30 g per litre of aqueous solution.
Claim 12
Dependent Claim
30 words
A process according to claim 10, wherein the compound which releases ammonium ions is used in an amount of from 0.1 to 5 g per litre of the aqueous solution.
References Cited (Backward Citations)
No citation records indexed.
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