WO1992010789A1 - Procede de developpement photographique renverse, materiaux a base d'halogenure d'argent, et solutions associees - Google Patents
Procede de developpement photographique renverse, materiaux a base d'halogenure d'argent, et solutions associees Download PDFInfo
- Publication number
- WO1992010789A1 WO1992010789A1 PCT/EP1991/002363 EP9102363W WO9210789A1 WO 1992010789 A1 WO1992010789 A1 WO 1992010789A1 EP 9102363 W EP9102363 W EP 9102363W WO 9210789 A1 WO9210789 A1 WO 9210789A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carbon atoms
- hydrogen
- silver halide
- black
- colour
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 17
- 239000004332 silver Substances 0.000 title claims abstract description 17
- -1 silver halide Chemical class 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 title claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000011161 development Methods 0.000 claims abstract description 10
- JJORJKOVISMMCT-UHFFFAOYSA-N 4-pentyl-1-phenylpyrazolidin-3-one Chemical compound N1C(=O)C(CCCCC)CN1C1=CC=CC=C1 JJORJKOVISMMCT-UHFFFAOYSA-N 0.000 claims abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 15
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 125000004429 atom Chemical group 0.000 claims description 3
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 2
- JEDFGCYVWYGWAK-UHFFFAOYSA-N 1-(4-methoxyphenyl)pyrazolidin-3-one Chemical compound C1=CC(OC)=CC=C1N1NC(=O)CC1 JEDFGCYVWYGWAK-UHFFFAOYSA-N 0.000 abstract description 2
- DERKJVOEURICQO-UHFFFAOYSA-N 1-(3,4-dimethoxyphenyl)pyrazolidin-3-one Chemical compound C1=C(OC)C(OC)=CC=C1N1NC(=O)CC1 DERKJVOEURICQO-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 239000000839 emulsion Substances 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 4
- 229940006460 bromide ion Drugs 0.000 description 4
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- NDGRWYRVNANFNB-UHFFFAOYSA-N pyrazolidin-3-one Chemical group O=C1CCNN1 NDGRWYRVNANFNB-UHFFFAOYSA-N 0.000 description 3
- ZVNPWFOVUDMGRP-UHFFFAOYSA-N 4-methylaminophenol sulfate Chemical compound OS(O)(=O)=O.CNC1=CC=C(O)C=C1.CNC1=CC=C(O)C=C1 ZVNPWFOVUDMGRP-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- CMCWWLVWPDLCRM-UHFFFAOYSA-N phenidone Chemical compound N1C(=O)CCN1C1=CC=CC=C1 CMCWWLVWPDLCRM-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- ZUNKMNLKJXRCDM-UHFFFAOYSA-N silver bromoiodide Chemical compound [Ag].IBr ZUNKMNLKJXRCDM-UHFFFAOYSA-N 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- RYCNBIYTZSGSPI-UHFFFAOYSA-N ditert-butyl benzene-1,2-dicarboxylate Chemical compound CC(C)(C)OC(=O)C1=CC=CC=C1C(=O)OC(C)(C)C RYCNBIYTZSGSPI-UHFFFAOYSA-N 0.000 description 1
- 239000012992 electron transfer agent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- VGYYSIDKAKXZEE-UHFFFAOYSA-L hydroxylammonium sulfate Chemical compound O[NH3+].O[NH3+].[O-]S([O-])(=O)=O VGYYSIDKAKXZEE-UHFFFAOYSA-L 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- MCLZMWVEJOJWRA-UHFFFAOYSA-I pentasodium;pentaacetate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O MCLZMWVEJOJWRA-UHFFFAOYSA-I 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G03C7/407—Development processes or agents therefor
- G03C7/413—Developers
-
- 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
- G03C7/392—Additives
- G03C7/39208—Organic compounds
- G03C7/3924—Heterocyclic
- G03C7/39244—Heterocyclic the nucleus containing only nitrogen as hetero atoms
- G03C7/39252—Heterocyclic the nucleus containing only nitrogen as hetero atoms two nitrogen atoms
Definitions
- This invention relates to photographic silver halide processing solutions and particularly to colour developing solutions.
- US Patent 4 155 763 describes colour developing solutions comprising an aromatic amine colour developing agent and a 1-aryl-pyrazolidone having two substituents at the 4-position of the pyrazolidon .
- the advantages are said to include faster image dye formation and a more stable colour developing solution.
- the present invention provides a method of colour development which is less sensitive to variations, for example, of colour developing agent concentration, bromide ion concentration, pH, time of processing and temperature by virtue of the presence of a black-and- white developing agent of a type not previously disclosed for use in a colour developer solution.
- a method of developing an imagewise exposed silver halide colour material to provide acceptable sensitometric results with reduced variability comprises carrying out colour development in the presence of one or a combination of black-and-white silver halide developing agents which reduces the variability of the sensitometric results caused by changes in process variables.
- the preferred black-and-white developing agents are Metol and the pyrazolidones. While most pyrazolidone developing agents show some improvement in achieving less sensitometric variation, those which are particularly effective have the general formula:
- R 1 and R 2 are each hydrogen or an alkoxy group having 1-4 carbon atoms, and R3 and R ⁇ are each hydrogen or an alkyl group having 1-10 carbon atoms, with the proviso that either one of R 1 or R 2 is an alkoxy group or one of R***- or R ⁇ are each an alkyl group of 3-7 carbon atoms.
- the black-and-white developer may be present either in the colour developer solution or in the photographic material being processed.
- it is preferably in a form which is inactive until processing takes place.
- it could be inactivated by a blocking group which is hydrolysed off when the material is immersed in the developing solution (which is usually alkaline).
- the present invention further provides a photographic colour developing solution which comprises a colour developing agent and a black-and- white silver halide developing agent have the general formula:
- R 1 and R 2 are each hydrogen or an alkoxy group having 1-4 carbon atoms, and R and R ⁇ are each hydrogen or an alkyl group having 1-10 carbon atoms, with the proviso that either one of R 1 or R 2 is an alkoxy group or one of R- or R ⁇ is an alkyl group of 3-7 carbon atoms.
- a number of ETA's have been examined for their effectiveness in lowering sensitometric sensitivity to process variables. The reduction of sensitivity to development time is used as an example. Three broad types of behaviour for different ETA's can be observed and these are as follows:
- Type (1) is the preferred behaviour exhibited by the preferred compounds.
- Type (2) is another useful and beneficial behaviour and could, in certain cases, be preferred over Type (1) if an increase in contrast or corresponding trade-off was desired.
- the present invention also includes the use of combinations of ETA's.
- Combinations of Type (2) and (3) for example, can give an overall behaviour similar to Type (1).
- Combinations of Type (1) and (3) also give good results in that the spread of the sensitometric curves is particularly well controlled.
- a useful group of Type (1) ETA's of formula (I) are those in which at least one of R 1 and/or R 2 is an alkoxy group of 1-4 carbon atoms, eg -OCH3, 3 is hydrogen or an alkyl group of 1-4 carbon atoms, eg - CH3 and R ⁇ is hydrogen or a hydroxyalkyl group of 1-4 carbon atoms, eg -CH2OH.
- a useful group of Type (2) ETA's of formula (I) are those in which R* 1 - R 2 and R3 are hydrogen and R ⁇ is an alkyl group of 3-7 atoms, eg -C5H11
- the preferred black-and-white developers are: 1- (4-methoxyphenyl)-3-pyrazolidone, l-(3,4-dimethoxy- phenyl)-3-pyrazolidone, and l-phenyl-4-n-pentyl- pyrazolidone.
- the black-and-white developing agent may be present in the developer solution at a concentration up to 5 g/1 preferably in the range 0.05 to 0.5 g/1.
- concentration up to 5 g/1 preferably in the range 0.05 to 0.5 g/1.
- incorporated in the photographic material it may be present in one or more layers thereof. Instead of incorporating them per se in the photographic material they may be, as indicated above, in the form of a
- the presence of the black-and-white developing agent improves variability caused by variations in time and temperature of development, pH, bromide ion concentration and colour developing agent (eg CD4) concentration in the colour developer solution.
- the reduced risk of sensitometric variations further means that replenishment rates can be reduced thus resulting in less overflow and effluent.
- the sometimes needed bromide ion removal from the developer solution may also be avoidable.
- the present invention is particularly applicable to the processing of colour negative film but is also applicable to other processes, eg colour paper.
- the material to be processed comprises a support bearing at least one silver halide emulsion layer having a colour coupler associated therewith.
- the term "associated therewith” here takes its normal meaning in art.
- the coupler may be incorporated in the emulsion layer or in a layer adjacent thereto.
- the preferred colour materials comprise three dye image forming units each containing one or more emulsion layers having couplers associated therewith and each sensitised to a different region of the spectrum.
- a typical colour material would contain such units sensitised to blue, green and red light and capable of forming yellow, magenta and cyan image dyes respectively.
- a single layer coating of a silver bromoiodide emulsion comprising tabular grains having a mean grain area of 1.05 m ⁇ 2 containing a colour coupler (A) of the formula:
- OC 12 H 25 dissolved in di-tert-butylphthalate (coupler to solvent ratio of 1:0.5) was coated at 1.0 g/m 2 (as silver) and 0.6 g/m 2 of coupler.
- Table 1 below gives process details of concentration of l-(4-methoxyphenyl)-3-pyrazolidone and development time at 37.8°C.
- EXAMPLE 3 A single layer coating of a silver bromoiodide emulsion as described in Example 1 was tested by the procedure of Example 1 was followed except that the time of development was kept constant at 2.5 minutes while varying the CD4 and ETA concentrations as set out in Table 2 below.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
Procédé de développement d'un matériau en couleurs à base d'halogénure d'argent comportant une image latente, afin d'obtenir des résultats sensitométriques acceptables à variabilité réduite. Ledit procédé consiste à réaliser un développement en couleurs en présence d'un agent de développement réversal en noir et blanc, ou d'une combinaison de ces agents, ce qui réduit la variabilité des résultats sensitométriques due aux modifications des variables du processus. Il s'agit de préférence du 1-(4-méthoxyphényl)-3-pyrazolidone, du 1-(3,4-diméthoxy-phényl)-3-pyrazolidone, ou du 1-phényl-4-n-pentyl-pyrazolidone.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69114862T DE69114862T2 (de) | 1990-12-13 | 1991-12-10 | Verfahren zur entwicklung farbphotographischer silberhalogenidmaterialien und verwendung von pyrazolidonen. |
JP4500379A JPH06503183A (ja) | 1990-12-13 | 1991-12-10 | 写真ハロゲン化銀現像処理方法、ハロゲン化銀材料及びそのための溶液 |
EP92900247A EP0561860B1 (fr) | 1990-12-13 | 1991-12-10 | Procede de developpement de materiaux couleur a base d'halogenure d'argent et utilisation de pyrazolidones |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909027062A GB9027062D0 (en) | 1990-12-13 | 1990-12-13 | Method of photographic silver halide processing,silver halide materials and solutions therefor |
GB9027062.0 | 1990-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992010789A1 true WO1992010789A1 (fr) | 1992-06-25 |
Family
ID=10686949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1991/002363 WO1992010789A1 (fr) | 1990-12-13 | 1991-12-10 | Procede de developpement photographique renverse, materiaux a base d'halogenure d'argent, et solutions associees |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0561860B1 (fr) |
JP (1) | JPH06503183A (fr) |
DE (1) | DE69114862T2 (fr) |
GB (1) | GB9027062D0 (fr) |
WO (1) | WO1992010789A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0617322A1 (fr) * | 1993-03-22 | 1994-09-28 | Eastman Kodak Company | Procédé de traitement d'éléments photographiques originaires comprenant des grains tabulaires de chlorure d'argent délimités pas des faces (100) |
EP0617324A1 (fr) * | 1993-03-26 | 1994-09-28 | Kodak Limited | Méthode de traitement de matériaux photographiques à base d'halogénure d'argent |
EP0679943A1 (fr) * | 1994-04-29 | 1995-11-02 | Kodak Limited | Matériaux photographiques couleur à l'halogénure d'argent |
EP0679942A1 (fr) * | 1994-04-29 | 1995-11-02 | Kodak Limited | Matériau photographique couleur à l'halogénure d'argent |
US5491050A (en) * | 1993-03-22 | 1996-02-13 | Eastman Kodak Company | Method of processing originating photographic elements containing tabular silver chloride grains bounded by (100) faces |
EP0843212A1 (fr) * | 1996-11-14 | 1998-05-20 | Eastman Kodak Company | Nouveaux agents auxiliaires de développement, matériaux photographiques les contenant et usage desdites |
GB2343009A (en) * | 1998-10-21 | 2000-04-26 | Eastman Kodak Co | Colour developer for rapid processing comprising pyrazolidone |
US6087084A (en) * | 1997-11-14 | 2000-07-11 | Eastman Kodak Company | Auxiliary developing agents, photographic materials incorporating them and the use thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5994037A (en) * | 1998-10-21 | 1999-11-30 | Eastman Kodak Company | Method for rapid photographic processing with maintained color balance using diffusible photochemicals |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB963988A (en) * | 1959-09-03 | 1964-07-15 | Kodak Ltd | Improvements in colour development processes |
US3902905A (en) * | 1972-11-20 | 1975-09-02 | Eastman Kodak Co | Photographic elements containing image dye-providing layer units |
US4155763A (en) * | 1976-09-07 | 1979-05-22 | Fuji Photo Film Co., Ltd. | Color photographic processing method |
US4266002A (en) * | 1978-10-02 | 1981-05-05 | Eastman Kodak Company | Substituted 1-phenyl-3-pyrazolidinone electron transfer agents |
US4465762A (en) * | 1981-03-03 | 1984-08-14 | Fuji Photo Film Co., Ltd. | Method for color developing color photographic silver halide light-sensitive material |
US4483919A (en) * | 1982-12-28 | 1984-11-20 | Fuji Photo Film Co., Ltd. | Silver halide photographic light-sensitive material |
JPS60162253A (ja) * | 1984-02-01 | 1985-08-24 | Konishiroku Photo Ind Co Ltd | ハロゲン化銀カラ−写真感光材料の処理方法 |
US4845016A (en) * | 1986-01-29 | 1989-07-04 | Fuji Photo Film Co., Ltd. | Process for processing silver halide color photographic materials using a multistage counterflow stabilization system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912025A (en) * | 1988-06-21 | 1990-03-27 | Eastman Kodak Company | Photographic recording material for accelerated development |
-
1990
- 1990-12-13 GB GB909027062A patent/GB9027062D0/en active Pending
-
1991
- 1991-12-10 JP JP4500379A patent/JPH06503183A/ja active Pending
- 1991-12-10 DE DE69114862T patent/DE69114862T2/de not_active Expired - Fee Related
- 1991-12-10 WO PCT/EP1991/002363 patent/WO1992010789A1/fr active IP Right Grant
- 1991-12-10 EP EP92900247A patent/EP0561860B1/fr not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB963988A (en) * | 1959-09-03 | 1964-07-15 | Kodak Ltd | Improvements in colour development processes |
US3902905A (en) * | 1972-11-20 | 1975-09-02 | Eastman Kodak Co | Photographic elements containing image dye-providing layer units |
US4155763A (en) * | 1976-09-07 | 1979-05-22 | Fuji Photo Film Co., Ltd. | Color photographic processing method |
US4266002A (en) * | 1978-10-02 | 1981-05-05 | Eastman Kodak Company | Substituted 1-phenyl-3-pyrazolidinone electron transfer agents |
US4465762A (en) * | 1981-03-03 | 1984-08-14 | Fuji Photo Film Co., Ltd. | Method for color developing color photographic silver halide light-sensitive material |
US4483919A (en) * | 1982-12-28 | 1984-11-20 | Fuji Photo Film Co., Ltd. | Silver halide photographic light-sensitive material |
JPS60162253A (ja) * | 1984-02-01 | 1985-08-24 | Konishiroku Photo Ind Co Ltd | ハロゲン化銀カラ−写真感光材料の処理方法 |
US4845016A (en) * | 1986-01-29 | 1989-07-04 | Fuji Photo Film Co., Ltd. | Process for processing silver halide color photographic materials using a multistage counterflow stabilization system |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 7, no. 256 (P-236)(1401) 15 November 1983 & JP,A,58 139 136 ( KONISHIROKU SHASHIN KOGYO KK ) 18 August 1983 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0617322A1 (fr) * | 1993-03-22 | 1994-09-28 | Eastman Kodak Company | Procédé de traitement d'éléments photographiques originaires comprenant des grains tabulaires de chlorure d'argent délimités pas des faces (100) |
US5491050A (en) * | 1993-03-22 | 1996-02-13 | Eastman Kodak Company | Method of processing originating photographic elements containing tabular silver chloride grains bounded by (100) faces |
EP0617324A1 (fr) * | 1993-03-26 | 1994-09-28 | Kodak Limited | Méthode de traitement de matériaux photographiques à base d'halogénure d'argent |
EP0679943A1 (fr) * | 1994-04-29 | 1995-11-02 | Kodak Limited | Matériaux photographiques couleur à l'halogénure d'argent |
EP0679942A1 (fr) * | 1994-04-29 | 1995-11-02 | Kodak Limited | Matériau photographique couleur à l'halogénure d'argent |
US5554492A (en) * | 1994-04-29 | 1996-09-10 | Eastman Kodak Company | Photographic silver halide color material |
EP0843212A1 (fr) * | 1996-11-14 | 1998-05-20 | Eastman Kodak Company | Nouveaux agents auxiliaires de développement, matériaux photographiques les contenant et usage desdites |
US5932399A (en) * | 1996-11-14 | 1999-08-03 | Eastman Kodak Company | Auxiliary developing agents, photographic materials incorporating them and the use thereof |
US5972584A (en) * | 1996-11-14 | 1999-10-26 | Eastman Kodak Company | Auxiliary development agents photographic materials incorporating them and the use thereof |
US6087084A (en) * | 1997-11-14 | 2000-07-11 | Eastman Kodak Company | Auxiliary developing agents, photographic materials incorporating them and the use thereof |
GB2343009A (en) * | 1998-10-21 | 2000-04-26 | Eastman Kodak Co | Colour developer for rapid processing comprising pyrazolidone |
GB2343009B (en) * | 1998-10-21 | 2003-01-15 | Eastman Kodak Co | A method for rapid photographic processing with maintained color balance |
Also Published As
Publication number | Publication date |
---|---|
GB9027062D0 (en) | 1991-02-06 |
DE69114862T2 (de) | 1996-09-12 |
JPH06503183A (ja) | 1994-04-07 |
EP0561860B1 (fr) | 1995-11-22 |
DE69114862D1 (de) | 1996-01-04 |
EP0561860A1 (fr) | 1993-09-29 |
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