EP0487616A1 - Verfahren für photographische behandlung. - Google Patents
Verfahren für photographische behandlung.Info
- Publication number
- EP0487616A1 EP0487616A1 EP90913132A EP90913132A EP0487616A1 EP 0487616 A1 EP0487616 A1 EP 0487616A1 EP 90913132 A EP90913132 A EP 90913132A EP 90913132 A EP90913132 A EP 90913132A EP 0487616 A1 EP0487616 A1 EP 0487616A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- swell
- processing
- layer
- solution
- components
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012545 processing Methods 0.000 title claims description 35
- 239000000463 material Substances 0.000 claims abstract description 23
- 229910052709 silver Inorganic materials 0.000 claims description 12
- 239000004332 silver Substances 0.000 claims description 12
- -1 silver halide Chemical class 0.000 claims description 9
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 150000001805 chlorine compounds Chemical group 0.000 claims 1
- 229910021653 sulphate ion Inorganic materials 0.000 claims 1
- 230000008961 swelling Effects 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 38
- 108010010803 Gelatin Proteins 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229920000159 gelatin Polymers 0.000 description 6
- 239000008273 gelatin Substances 0.000 description 6
- 235000019322 gelatine Nutrition 0.000 description 6
- 235000011852 gelatine desserts Nutrition 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 235000002639 sodium chloride Nutrition 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910021607 Silver chloride Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 description 2
- 239000001120 potassium sulphate Substances 0.000 description 2
- 235000011151 potassium sulphates Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- GVGLGOZIDCSQPN-PVHGPHFFSA-N Heroin Chemical compound O([C@H]1[C@H](C=C[C@H]23)OC(C)=O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4OC(C)=O GVGLGOZIDCSQPN-PVHGPHFFSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- JAWGVVJVYSANRY-UHFFFAOYSA-N cobalt(3+) Chemical compound [Co+3] JAWGVVJVYSANRY-UHFFFAOYSA-N 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012457 nonaqueous media Substances 0.000 description 1
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/3017—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials with intensification of the image by oxido-reduction
- G03C7/302—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials with intensification of the image by oxido-reduction using peroxides
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/407—Development processes or agents therefor
Definitions
- METHOD OF PHOTOGRAPHIC PROCESSING This invention relates to a method of processing a photographic silver halide material.
- an imagewise exposed photographic silver halide material is processed in one or more aqueous processing solutions.
- a negative colour image is formed in a film and a colour print is made by exposing a colour negative paper to the negative image.
- the paper is then processed in a colour developer to form a silver image and corresponding dye image in each of three colour layers thus together forming the desired full colour image.
- a typical second processing stage is a bleach-fix solution which bleaches the unwanted silver image and removes undeveloped silver halide.
- Photographic materials not containing silver halide layers are also known which are neverthless processed with solutions.
- the processing steps are usually accomplished by immersing the photographic material in the processing solutions, often in a processing machine, for a particular length of time at a particular temperature.
- time and temperature determines the extent of the processing.
- the time and temperature have to be accurately controlled.
- the present invention provides a method of controlling the amount of processing solution components entering the layer or layers of a photographic material hence controlling the processing itself by novel means.
- a method of processing a photographic material comprising a support bearing at least one swellable layer which method comprises contacting the material with a processing solution containing a component which limits the swell of the layer so that its ta e—up of processing solution components is controlled by the degree of said swell.
- the photographic material may be a black—and—white or colour material and may contain a photosensitive silver halide layer comprising a hydrophilic colloid binder, eg gelatin, a gelatin derivative or polyvinyl alcohol.
- a hydrophilic colloid binder eg gelatin, a gelatin derivative or polyvinyl alcohol.
- Non-hydrophilic binders may also be used especially in non—silver halide systems.
- the material may be one for use in physically developed systems including both photosensitive and non—photosensitive materials, for example, materials for the silver salt diffusion transfer process.
- the material may be for the diazo, dye transfer or dye bleach process.
- the solution containing the swell limiting compound is preferably aqueous but this is not essential.
- Non—aqueous solutions for example comprising an alcohol, glycol, glycol ether or hydrocarbon solvents may also be employed.
- the photographic material is successively contacted with a number of processing solutions each one containing swell—limiting components in such amounts that the swell of the layer is increased with each solution so that further processing solution components are successively taken up by said layer.
- the present invention provides a controlled way of processing photographic products using small amounts of liquid. Processing times can be shortened as concentrations can be higher. More even processing can be achieved for surface applied solutions and processing normally undertaken above room temperature in a deep tank can be achieved at room temperature itself.
- the component that limits the swell of the emulsion layer may be a salt, particularly an alkali metal or ammonium salt.
- Such salts may be chlorides, sulphates or carbonates. Examples of particular salts are sodium chloride, potassium sulphate, potassium carbonate, ammonium sulphate, etc.
- the salt is chosen so as not to interfere with the processing function. Hence, for developers, potassium carbonate or sulphate would be suitable.
- the developing agent is added separately this could be from an acid solution while the remainder of the necessary components could be added subsequently with sufficient alkali to provide the desired pH for processing.
- the processing solutions may contain a thickener and hence be viscous, such solutions being suitable for surface application.
- the processing solution may contain any of the many components used in photography, for example as described in "Modern Photographic Processing” by Grant M. Haist, John Wiley and Sons, 1979.
- the processing solution may be an amplification solution containing a colour developing agent and a redox amplification oxidant, e.g. a peroxide, periodate or cobalt (III) complex as described in US Patents 3 674 490 or 3 862 842. In such a case it is convenient to keep and apply the developing agent and the oxidant in separate solutions as a solution of them both is unstable.
- the photographic material to be processed may be of many different kinds and contain a variety of additives as described in Research Disclosure Item 17643 December 1978 pages 22-31, Kenneth Mason Publications, Havant, Hampshire, UK.
- silver halide emulsion layers comprise gelatin as binder which is hardened to a conventional extent. Such a hardened layer is however still able to swell in aqueous solutions.
- Other binders and polymers may also be present as described in the Research Disclosure article cited above. The following examples are given for a better understanding of the invention. All processing was carried out at 20°C.
- Example 1 Conventional Colour Processing
- the density of the yellow Dmax (blue sensitive) area was used to measure the extent of development in a two stage process.
- samples of a colour negative paper comprising pure silver chloride emulsions were used.
- the paper was dipped into a test base solution (see table below for composition) for 20 seconds to allow the paper's gelatin layers to swell to their maximum extent (this was established using a swellmeter).
- the potassium carbonate is present to control the swell of the paper gelatin in the base solution.
- solution 1 the density is inferior to the experiment with carbonate and hydroxide (solution 2). The results also indicate that the presence of carbonate gives a more even result. Solution 3 was used to demonstrate that extra base contributed by the carbonate was not responsible for all the density gain shown by solution 2.
- a negative colour paper which contained a low silver coating weight (as silver chloride) was used.
- the paper was then dipped into a third solution containing 50 mls/1 30% hydrogen peroxide for 3 seconds before blotting for the last time.
- the sample was allowed to stand for 30 seconds (again the reaction appeared complete in 5 seconds) before washing in water for 3 minutes and then drying at room temperature.
- the sample was read at 10 random points, using a Macbeth densitometer, with a blue status A filter in the reflection head. From the 10 readings a mean and standard deviation (a measure of the evenness of the process) were calculated.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90913132T ATE89422T1 (de) | 1989-08-16 | 1990-08-09 | Verfahren fuer photographische behandlung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898918723A GB8918723D0 (en) | 1989-08-16 | 1989-08-16 | Method of photographic processing |
GB8918723 | 1989-08-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0487616A1 true EP0487616A1 (de) | 1992-06-03 |
EP0487616B1 EP0487616B1 (de) | 1993-05-12 |
Family
ID=10661738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90913132A Expired - Lifetime EP0487616B1 (de) | 1989-08-16 | 1990-08-09 | Verfahren für photographische behandlung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0487616B1 (de) |
JP (1) | JP2690396B2 (de) |
DE (1) | DE69001610T2 (de) |
GB (1) | GB8918723D0 (de) |
WO (1) | WO1991003005A1 (de) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5054330A (de) * | 1973-09-10 | 1975-05-14 | ||
JPS51101530A (de) * | 1975-03-05 | 1976-09-08 | Fuji Photo Film Co Ltd | |
JPS54111827A (en) * | 1978-02-21 | 1979-09-01 | Konishiroku Photo Ind Co Ltd | Processing method for silver halide color photographic material |
DE2965489D1 (en) * | 1978-05-02 | 1983-07-07 | Polaroid Corp | Photosensitive elements for use in a diffusion transfer film unit |
JPS5719739A (en) * | 1980-07-11 | 1982-02-02 | Konishiroku Photo Ind Co Ltd | Formation of dye image |
US4347301A (en) * | 1980-11-26 | 1982-08-31 | Polaroid Corporation | Novel diffusion transfer film units |
JPS6147956A (ja) * | 1984-08-15 | 1986-03-08 | Fuji Photo Film Co Ltd | カラ−拡散転写法写真製品 |
US4569898A (en) * | 1984-11-23 | 1986-02-11 | Polaroid Corporation | Photographic film unit with protective, limited swell polymer for silver halide grains |
-
1989
- 1989-08-16 GB GB898918723A patent/GB8918723D0/en active Pending
-
1990
- 1990-08-09 EP EP90913132A patent/EP0487616B1/de not_active Expired - Lifetime
- 1990-08-09 DE DE90913132T patent/DE69001610T2/de not_active Expired - Fee Related
- 1990-08-09 WO PCT/EP1990/001314 patent/WO1991003005A1/en active IP Right Grant
- 1990-08-09 JP JP2512130A patent/JP2690396B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9103005A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2690396B2 (ja) | 1997-12-10 |
GB8918723D0 (en) | 1989-09-27 |
WO1991003005A1 (en) | 1991-03-07 |
EP0487616B1 (de) | 1993-05-12 |
DE69001610T2 (de) | 1993-12-09 |
DE69001610D1 (de) | 1993-06-17 |
JPH04507306A (ja) | 1992-12-17 |
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