EP0851289A2 - Farbentwickler - Google Patents
Farbentwickler Download PDFInfo
- Publication number
- EP0851289A2 EP0851289A2 EP97122660A EP97122660A EP0851289A2 EP 0851289 A2 EP0851289 A2 EP 0851289A2 EP 97122660 A EP97122660 A EP 97122660A EP 97122660 A EP97122660 A EP 97122660A EP 0851289 A2 EP0851289 A2 EP 0851289A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- color developer
- hydroxylamine
- acid
- derivative
- color
- 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.)
- Withdrawn
Links
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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/264—Supplying of photographic processing chemicals; Preparation or packaging thereof
Definitions
- the present invention relates to a color developer, as well a kit and a method for producing such Color developer according to the preambles of claims 1, 11 and 15.
- Color developers have become photographic in the prior art Development of color negative films, reversal films and color papers (Negative and reverse paper) is used.
- the real one Developer chemical is a reducing agent.
- the Color developers therefore usually contain preservatives in the form of antioxidants to prevent unwanted premature Oxidation of the developer chemical during storage or to prevent the application (e.g. by atmospheric oxygen) or at least to delay.
- sulfites and hydroxylamine are known as antioxidants (Ullmann's Encyclopedia of Industrial Chemistry, 5. Edition A20. P. 62).
- antioxidants Ullmann's Encyclopedia of Industrial Chemistry, 5. Edition A20. P. 62
- various hydroxylamine derivatives to use as a preservative.
- These derivatives are typically made by reacting Hydroxylamine with a second compound, such as, for example, chloroethanesulfonate, produced.
- a hydroxylamine derivative is formed, disulfoethylhydroxylamine (DSEHA) in the example mentioned.
- DSEHA disulfoethylhydroxylamine
- the hydroxylamine can either be a leaving group substitute the second compound (as mentioned above Example) or to an olefinic double bond second connection can be added.
- the reaction product is then cleaned (for example by recrystallization) and in Pure form of the developer solution added (EP-A-0 415 455, p. 11).
- Color developers are also known (EP-A-0 589 624, EP-A-0 682 289, EP-A-0 687 951). You will especially then used when it is on small transport volume and / or clean Handling arrives, furthermore they can be refreshed of development solutions in continuously working development machines be used.
- the addition of hydroxylamine derivative in a purified form as a preservative Granulated developers are also known (EP-A-0 682 289).
- the present invention has for its object a To create color developers of the type mentioned, whose Manufacturing requires less effort.
- the invention also relates to a kit for production a color developer in which at least one component this kit contains a hydroxylamine derivative described above Form of the reaction solution of the starting substances used for the preparation has been added.
- the color developer or its components can become one Solid with a moisture content of 0.5 - 5%, preferably 1.5 - 3%.
- the invention is based on the surprising finding that it is not necessary to have the preservative in the form to use a hydroxylamine derivative in purified form.
- the effect and quality of the color developer will not or only slightly affected if the reaction mixture instead the starting substances used for the production is used.
- This is all the more surprising since, for example. in the substitution reaction described above as an example HCl as a principle photographically active substance in the reaction solution remains, their dissolved substances constituent of the developer.
- Also used in the reaction to manufacture of the hydroxylamine derivative is often not hydroxylamine in pure form, but in the form of a salt (e.g. a hydrochloride or sulfate salt) used. In no case results however, there is a noticeable deterioration in quality and function of the developer.
- color developer denotes in the context of the invention any mixture of substances used to develop color negative and reversal films, as well as color negative and reversal papers can be used.
- the hydroxylamine derivative is in the form of the reaction solution used for the production of starting substances. This means that the reaction mixture does not have a separate purification step subjected to isolation of the hydroxylamine derivative color developer as a preservative is added immediately.
- the reaction for producing the hydroxylamine derivative can for example an addition reaction, a substitution reaction or include a Mannich-type reaction. Provided it is a reaction in the course of which a halide (Chloride) is released, this halide can simultaneously as an antifoggant in the color developer Act. The quantity of the is then advantageously separated added antifoggants such as sodium or potassium chloride reduced accordingly.
- a halide Chloride
- L preferably denotes a straight chain or a branched alkylene group with 1 to 10, preferably 1 to 5 carbon atoms.
- Preferred examples of the ingredient -L-A of formula (I) include the carboxymethyl, carboxyethyl and Carboxypropyl group, the sulfoethyl, sulfopropyl and sulfobutyl group, furthermore the phosphonomethyl, phosphonoethyl and the hydroxyethyl group.
- the term amino, ammonium and Carbamoyl radical in the claims includes both corresponding unsubstituted as well as substituted residues.
- Residues are substituted, they are preferably with an alkyl group which is branched or unbranched can be, and preferably 1 to 10, more preferably Contains 1 to 5 carbon atoms.
- the hydroxylamine derivative is preferably selected from the group consisting of Disulfoethylhydroxylamine, N-hydroxyiminodiacetic acid, N-hydroxyiminodipropionic acid, N-hydroxyiminodimethylenephosphonic acid, and salts of the aforementioned substances.
- the color developer according to the invention can be formulated as a solid be. In this case, it is preferably in the form granules, pellets or tablets pressed granules.
- the different procedures for Granulation or pellet formation are familiar to the person skilled in the art and include, for example, granulation in drums, by extrusion, compression, Breaking, stirring, and by fluidized bed processes and by spray drying. Since in the context of the invention as Preservative-added hydroxylamine derivative in the form a reaction solution, it is particularly preferred spray this reaction solution into a fluidized bed granulator, in which the remaining components of the to be manufactured Color developer or the corresponding component of the Kits are located and at the desired final moisture content to dry.
- the reaction solution of the hydroxylamine derivative not subjected to any preparation before use must be, the preparation is formulated as a solid Color developer significantly simplified.
- the moisture content of a solid formulation according to the invention Color developer is preferably between 0.5 and 5%, more preferably between 1.5 and 3%. A color developer with these moisture levels shows during storage no significant in the absence of air and at room temperature Discoloration, clumping or change in breaking strength.
- the color developer according to the invention can present as granules.
- the grain size of the granulate is preferably 50-1000 ⁇ m, more preferably 150 - 500 ⁇ m. Alternatively, it can be in pellet or tablet form (the granulate is preferably compressed into tablets) available.
- the color developer according to the invention can be used as a multi-component kit usually with 2 or 3 components (e.g. solutions or granules) are sold, which the user before the Use to a finished color developer solution.
- the color developer in the form of all the necessary ingredients Solid (preferably granules, pellets or tablets) to bring the market.
- This solid can be particularly easily prepared for a finished color developer solution or to refresh an existing developer solution be used.
- the color developer in the form of a so-called mono concentrate, d. H. as a finished, concentrated color developer solution to bring to the market.
- the components of this Mono concentrate may be not completely in the aqueous Solvent soluble, so that the concentrate as a solid-liquid mixture is present. The invention has recognized that this the usability of a color developer prepared from the concentrate not affected.
- a color developer according to the invention is in one step hydroxylamine or its salt with a Compound containing the residue -L-A or a precursor thereof for the preparation of a hydroxylamine derivative of the formula (I) reacted.
- a preliminary stage of -L-A is everyone Substance that with the hydroxylamine and possibly another Substance such as formaldehyde to a hydroxylamine derivative of Formula (I) reacts.
- this precursor contain a vinyl component.
- the reaction solution comes with without further refurbishment or cleaning the other components of the color developer or the corresponding Combined component of a kit.
- reaction solution is preferably sprayed on.
- the excess Water is removed by drying, so that a Solid with the desired moisture content arises.
- the hydroxylamine is in here Form of the hydrochloride used so that sodium chloride as A by-product of the reaction is formed.
- reaction volume contains of 166 ml (assuming 100% yield) 66 g (0.25 mol) of the final product and 14.6 g (0.25 mol) NaCl.
- a color developer of the prior art which contains the following components per liter of working solution: CD-3 5.0 g optical brightener Tinopal SFP® 1.5 g KCl 3.5 g K 2 CO 3 27.0 g DTPA (diethylenetriaminepentaacetic acid) 3.0 g DSEHA (disulfoethylhydroxylamine) from Iwako, Japan 9.5 g
- This developer becomes a photographic developer of a Kodak RA-4 control strip used in the RA-4 color paper process.
- the one with this developer of the prior art developed control strip serves as a reference for the densitometric measurements described below.
- Chloride compensation means that the KCl content of the developer solution is reduced to the extent that by adding the reaction solution chloride in the form of NaCl in the Developer solution is introduced. In experiments VI and VII it is ensured that the chloride content is compared does not change the reference developers of the prior art.
- 1000 g potassium carbonate, 10 g sodium sulfite, 100 g DTPA-5Na (Diethylenetriaminepentaacetic acid pentasodium salt), 50 g tinopal SFP® and 100 g lithium hydroxide monohydrate are mixed on one Grain size ⁇ 150 ⁇ m milled.
- the mixture is 250 g mannitol and 150 ml of water are added and it is 10 min at room temperature granulated. Then the granules at 60 ° C. dried in a fluid bed dryer to a residual moisture of 2%.
- Granules B1 (comparison, not according to the invention)
- 500 g CD-3 are ground to a grain size ⁇ 200 microns and mixed with 50 g sorbitol.
- the mixture is placed in a fluidized bed granulator given and at 40 ° C within 4 740 ml of the reaction solution from Example 1 were sprayed in.
- the concentration of the hydroxylamine derivative in this reaction solution is (assuming 100% yield) 405 g DSEHA-2Na per liter. It is obtained after the spraying has been completed one dried to a residual moisture of less than 2% Granules.
- the granules A and B2 together form a kit for production a color developer according to the invention.
- Color developer tablets such as are made from these granules manufactured as follows:
- 1000 g potassium carbonate, 12 g sodium sulfite, 100 g DTPA-5Na, 45 g sodium toluenesulfonate and 100 lithium hydroxide monohydrate are ground to a grain size of ⁇ 150 microns and with 250 g Sorbitol mixed.
- the mixture is added with the addition of 145 ml Water granulated at room temperature for 15 minutes and then at 60 ° C in a fluid bed dryer to a residual moisture dried by 2%.
- 600 g of sodium toluenesulfonate and 300 g of DSEHA-2Na are on a grain size of ⁇ 150 microns ground. Then follows Granulation with the addition of 170 ml of water. In a fluid bed dryer is at 50 ° C to a residual moisture of dried below 2%. In this comparative example the preservative hydroxylamine derivative in Pure form has been added.
- 500 g of sodium toluenesulfonate have a grain size of about Ground 200 ⁇ m and mixed with 150 g sorbitol.
- the mixture is placed in a fluidized bed granulator and 620 ml of the reaction solution from Example 5 are in a Temperature of 40 ° C sprayed over a period of 5 min.
- the concentration of this reaction solution of N-hydroxyiminopropionic acid disodium salt is at a theoretical Yield of 100% of the reaction from Example 5 360 g per liter. After granulating and drying you get a granulate with a residual moisture below 2%.
- the granules A, B and C1 (comparative example) as well as A, B and C2 (example according to the invention) are in each case in the to the so-called Final mixes mixed. These final mixes can be immediate as color developers, but they will preferably compressed into tablets.
- the two final granulate mixtures according to the invention from Examples 7 and 8 and the two comparison granules (Mixtures A, B2, as well as A, B, C2 on the one hand and A, B1, as well A, B, C1 on the other hand) and those pressed from these final mixtures Tablets are stored in the absence of air for 6 weeks. Neither storage at room temperature for this period even at 50 ° C cause significant changes in the With regard to clumping or influencing the breaking strength. A slight brown color has no influence the photographic result.
- the bleach-fix bath is adjusted to a pH of 6.2.
- the temperature of the baths is 35 ° C.
- the developers and bleach-fix baths used become Development of a Kodak RA-4 control strip in the RA-4 color paper process used. Color development and bleach fixation are carried out for 45 s each.
- Densitometric measurements of fog, sensitivity, contrast and final density d max are carried out on the developed control strips. All measured values in the inventive as well as in the comparative examples lie within the tolerance limits specified by Kodak for the RA-4 color paper process.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
dadurch gekennzeichnet, daß dem Farbentwickler dieses Hydroxylaminderivat in Form der Reaktionslösung der zur Herstellung verwendeten Ausgangssubstanzen zugesetzt worden ist.
CD-3 | 5,0 g |
optischer Aufheller Tinopal SFP® | 1,5 g |
KCl | 3,5 g |
K2CO3 | 27,0 g |
DTPA (Diethylentriaminpentaessigsäure) | 3,0 g |
DSEHA (Disulfoethylhydroxylamin) der Fa. Iwako, Japan | 9,5 g |
Versuch | Konservierungsmittel | Chloridkompensation |
I | 9,5 g des gereinigten Produkts aus Vergleichsbeispiel 1 | nein |
II | 25,0 ml Reaktionslösung aus Beispiel 1 | nein |
III | 24,5 ml Reaktionslösung aus Beispiel 2 | nein |
IV | 77,0 ml Reaktionslösung aus Beispiel 3 | nein |
V | 27,5 ml Reaktionslösung aus Beispiel 4 | nein |
VI | 24,5 ml Reaktionslösung aus Beispiel 4 | ja |
VII | 21,0 ml Reaktionslösung aus Beispiel 5 | ja |
VIII | 19,8 ml Reaktionslösung aus Beispiel 6 | nein |
Versuch | Schleier | Empfindlichkeit | Kontrast | Dmax |
I | sehr gut | sehr gut | sehr gut | sehr gut |
II | sehr gut | sehr gut | gut | sehr gut |
III | sehr gut | schlecht | sehr gut | schlecht |
IV | gut | schlecht | gut | schlecht |
V | gut | gut | gut | gut |
VI | gut | gut | gut | gut |
VII | gut | gut | zufriedenstellend | gut |
VIII | gut | zufriedenstellend | zufriedenstellend | zufriedenstellend |
- gut bedeutet bei Schleier Abweichungen der Dichte
- pro Farbe < + 0,01 Dichteeinheiten
- gut bedeutet bei Empfindlichkeit Abweichungen der Dichte
- pro Farbe < ± 0,06 Dichteeinheiten
- gut bedeutet bei Kontrast Abweichungen der Dichte
- pro Farbe < ± 0,06 Dichteeinheiten
- gut bedeutet bei Dmax Abweichungen der Dichte
- pro Farbe < ± 0,08 Dichteeinheiten
- zufriedenstellend bei Schleier Abweichungen der Dichte
- pro Farbe < + 0,02 Dichteeinheiten
- zufriedenstellend bei Empfindlichkeit Abweichungen der Dichte
- pro Farbe < ± 0,09 Dichteeinheiten
- zufriedenstellend bei Kontrast Abweichungen der Dichte
- pro Farbe < ± 0,08 Dichteeinheiten
- zufriedenstellend bei Dmax Abweichungen der Dichte
- pro Farbe < ± 0,11 Dichteeinheiten
- schlecht bedeutet bei Schleier Abweichungen der Dichte
- pro Farbe > ± 0,03 Dichteeinheiten
- schlecht bedeutet bei Empfindlichkeit Abweichungen der Dichte
- pro Farbe > ± 0,09 Dichteeinheiten
- schlecht bedeutet bei Kontrast Abweichungen der Dichte
- pro Farbe > ± 0,08 Dichteeinheiten
- schlecht bedeutet bei Dmax Abweichungen der Dichte
- pro Farbe > ± 0,11 Dichteeinheiten
Claims (19)
- Farbentwickler, der ein Hydroxylaminderivat der Formel (I) oder ein Salz dieses Derivats enthält, wobei in dieser Formel bedeuten:L: eine geradkettige oder verzweigte Alkylengruppe;A: eine Carboxyl-, Sulfo-, Phosphono-, Hydroxyl-, Amino-, Ammonium-, Carbamoyl-, Sulfamoyl- oder Alkylsulfonylgruppe oder ein Phosphinsäurerest;R: ein Wasserstoffatom oder eine Verbindung der Formel -L-A mit den oben angegebenen Bedeutungen für L und A;
dadurch gekennzeichnet, daß dem Farbentwickler dieses Hydroxylaminderivat in Form der Reaktionslösung der zur Herstellung verwendeten Ausgangssubstanzen zugesetzt worden ist. - Farbentwickler nach Anspruch 1, dadurch gekennzeichnet, daß L in dem Derivat (I) eine geradkettige oder verzweigte Alkylengruppe mit 1 - 10, vorzugsweise 1 - 5 Kohlenstoffatomen darstellt.
- Farbentwickler nach Anspruch 2, dadurch gekennzeichnet, daß das Hydroxylaminderivat ausgewählt ist aus der Gruppe bestehend aus:Disulfoethylhydroxylamin,N-Hydroxyiminodiessigsäure,N-Hydroxyiminodipropionsäure,N-Hydroxyiminodimethylenphosphonsäure,Salzen der vorgenannten Stoffe.
- Farbentwickler nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß er als Feststoff formuliert ist.
- Farbentwickler nach Anspruch 4, dadurch gekennzeichnet, daß sein Feuchtigkeitsgehalt 0,5 - 5 %, vorzugsweise 1,5 - 3 % beträgt.
- Farbentwickler nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß er ein Granulat ist.
- Farbentwickler nach Anspruch 6, dadurch gekennzeichnet, daß die Korngröße des Granulats 50 - 1000 µm, vorzugsweise 150 - 250 µm beträgt.
- Farbentwickler nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß er in Tablettenform vorliegt.
- Farbentwickler nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, daß er als Füllstoff einen oder mehrere Stoffe ausgewählt aus der Gruppe bestehend aus Mono-, Oligo- und Polysacchariden, Zuckeralkoholen, Amino- und Thioderivaten der genannten Stoffe, sowie Polyethern enthält.
- Farbentwickler nach Anspruch 9, dadurch gekennzeichnet, daß er als Füllstoff Mannit und/oder Polyethylenglykol enthält.
- Kit zur Herstellung eines Farbentwicklers, bei dem wenigstens eine Komponente ein Hydroxylaminderivat der Formel (I) oder ein Salz dieses Derivats enthält,
wobei in dieser Formel bedeuten:L: eine geradkettige oder verzweigte Alkylengruppe;A: eine Carboxyl-, Sulfo-, Phosphono-, Hydroxyl-, Amino-, Ammonium-, Carbamoyl-, Sulfamoyl- oder Alkylsulfonylgruppe oder ein Phosphinsäurerest;R: ein Wasserstoffatom oder eine Verbindung der Formel -L-A mit den oben angegebenen Bedeutungen für L und A;
dadurch gekennzeichnet, daß dieser Komponente das Hydroxylaminderivat in Form der Reaktionslösung der zur Herstellung verwendeten Ausgangssubstanzen zugesetzt worden ist. - Kit nach Anspruch 11, dadurch gekennzeichnet, daß L in dem Hydroxylaminderivat (I) eine geradkettige oder verzweigte Alkylengruppe mit 1 - 10, vorzugsweise 1 - 5 Kohlenstoffatomen darstellt.
- Kit nach Anspruch 12, dadurch gekennzeichnet, daß das Hydroxylaminderivat ausgewählt ist aus der Gruppe bestehend aus:Disulfoethylhydroxylamin,N-Hydroxyiminodiessigsäure,N-Hydroxyiminodipropionsäure,N-HydroxyiminodimethylenphosphonsäureSalzen der vorgenannten Stoffe.
- Kit nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, daß seine Komponenten als Feststoffe formuliert sind.
- Verfahren zur Herstellung eines Farbentwicklers oder einer Komponente eines Kits zur Herstellung eines Farbentwicklers, gekennzeichnet durch folgende Schritte:a) Reagierenlassen von Hydroxylamin oder eines Hydroxylaminsalzes mit einer Verbindung, die den Rest -L-A oder eine Vorstufe davon enthält, zur Herstellung eines Hydroxylaminderivats der Formel (I) mit den in Anspruch 1 angegebenen Bedeutungen für L, A und R;b) Hinzufügen der Reaktionslösung zu dem Farbentwickler oder der Komponente des zur Herstellung eines Farbentwicklers vorgesehenen Kits.
- Verfahren nach Anspruch 15, dadurch gekennzeichnet, daß in Schritt a) eine Additionsreaktion von Hydroxylamin an eine olefinische Doppelbindung stattfindet.
- Verfahren nach Anspruch 15, dadurch gekennzeichnet, daß in Schritt a) das Hydroxylamin oder dessen Salz die Abgangsgruppe der Verbindung substituiert.
- Verfahren nach einem der Ansprüche 15 bis 17, dadurch gekennzeichnet, daß in Schritt a) ein Hydroxylaminderivat entsteht, das ausgewählt ist aus der Gruppe bestehend aus:Disulfoethylhydroxylamin,N-Hydroxyiminodiessigsäure,N-Hydroxyiminodipropionsäure,N-Hydroxyiminodimethylenphosphonsäure,Salzen der vorgenannten Stoffe.
- Verfahren nach einem der Ansprüche 15 bis 18, dadurch gekennzeichnet, daß zusätzlich eine Trocknung des Farbentwicklers bzw. der Komponente zu einem Feststoff mit einem Feuchtigkeitsgehalt von 0,5 - 5 %, vorzugsweise 1,5 - 3 %, vorgenommen wird.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996154183 DE19654183A1 (de) | 1996-12-23 | 1996-12-23 | Farbentwickler |
DE19654183 | 1996-12-23 | ||
DE1997119117 DE19719117A1 (de) | 1997-05-06 | 1997-05-06 | Farbentwickler in Form eines Feststoffes |
DE19719117 | 1997-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0851289A2 true EP0851289A2 (de) | 1998-07-01 |
EP0851289A3 EP0851289A3 (de) | 1998-12-23 |
Family
ID=26032752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97122660A Withdrawn EP0851289A3 (de) | 1996-12-23 | 1997-12-22 | Farbentwickler |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0851289A3 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0415455A1 (de) * | 1989-09-01 | 1991-03-06 | Fuji Photo Film Co., Ltd. | Verfahren zur Verarbeitung eines farbphotographischen Silberhalogenidmaterials |
EP0426062A1 (de) * | 1989-10-30 | 1991-05-08 | Fuji Photo Film Co., Ltd. | Verfahren zur Verarbeitung eines farbphotographischen Silberhalogenidmaterials |
EP0439142A1 (de) * | 1990-01-24 | 1991-07-31 | Fuji Photo Film Co., Ltd. | Farbentwicklungszusammensetzung und Verarbeitungsverfahren unter Verwendung derselben |
EP0456220A2 (de) * | 1990-05-10 | 1991-11-13 | Fuji Photo Film Co., Ltd. | Vakuum verpackte Farbentwicklerzusammensetzung |
EP0682289A2 (de) * | 1994-05-09 | 1995-11-15 | Konica Corporation | Photographische Farbentwicklungschemikalien in Granulatform |
WO1996028761A1 (en) * | 1995-03-09 | 1996-09-19 | Eastman Kodak Company | N-alkylhydroxylamine derivatives and their use as antioxidants in photographic color developers and processing methods |
-
1997
- 1997-12-22 EP EP97122660A patent/EP0851289A3/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0415455A1 (de) * | 1989-09-01 | 1991-03-06 | Fuji Photo Film Co., Ltd. | Verfahren zur Verarbeitung eines farbphotographischen Silberhalogenidmaterials |
EP0426062A1 (de) * | 1989-10-30 | 1991-05-08 | Fuji Photo Film Co., Ltd. | Verfahren zur Verarbeitung eines farbphotographischen Silberhalogenidmaterials |
EP0439142A1 (de) * | 1990-01-24 | 1991-07-31 | Fuji Photo Film Co., Ltd. | Farbentwicklungszusammensetzung und Verarbeitungsverfahren unter Verwendung derselben |
EP0456220A2 (de) * | 1990-05-10 | 1991-11-13 | Fuji Photo Film Co., Ltd. | Vakuum verpackte Farbentwicklerzusammensetzung |
EP0682289A2 (de) * | 1994-05-09 | 1995-11-15 | Konica Corporation | Photographische Farbentwicklungschemikalien in Granulatform |
WO1996028761A1 (en) * | 1995-03-09 | 1996-09-19 | Eastman Kodak Company | N-alkylhydroxylamine derivatives and their use as antioxidants in photographic color developers and processing methods |
Also Published As
Publication number | Publication date |
---|---|
EP0851289A3 (de) | 1998-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3123771C2 (de) | ||
DE2736886C3 (de) | Verfahren zum Entfernen des Silberbildes eines belichteten und farbentwickelten farbphotographischen Aufzeichnungsmaterials | |
EP0160804B1 (de) | Nitrifikationsinhibierende 1-Hydroxypyrazol-Derivate | |
DE1918106C3 (de) | Verfahren zur Herstellung eines photographischen Farbentwicklers | |
DE69325489T2 (de) | Feststoffzusammensetzung zur farbphotographischen Entwicklung für farbphotographisches lichtempfindliches Silberhalogenidmaterial | |
DE2806690A1 (de) | Herstellung photographischen materials | |
DE69205661T2 (de) | Photographisches Behandlungsmittel. | |
DE3129849A1 (de) | Verfahren zum entwickeln eines farbphotographischen silberhalogenidmaterials und waessrige farbentwicklerloesung zur durchfuehrung dieses verfahrens | |
DE2937127C2 (de) | ||
DE866909C (de) | Verfahren zum Regenerieren von verbrauchten photographischen Silberbleichloesungen | |
EP0851289A2 (de) | Farbentwickler | |
DE69624307T2 (de) | Konzentrierte Lösung für photographische Farbentwicklung | |
DE2050699A1 (de) | Losung zur Behandlung von lichtempfind lichen photographischen Materialien | |
DE69520079T2 (de) | Herstellungsverfahren für feste Verarbeitungszusammensetzungen für photographische, lichtempfindliche Silberhalogenidmaterialien | |
DE19719117A1 (de) | Farbentwickler in Form eines Feststoffes | |
DE69707177T2 (de) | Entwickler-Zusammensetzung für photographisches lichtempfindliches Silberhalogenidmaterial | |
DE2205115A1 (de) | Zusammensetzung für die Behandlung eines lichtempfindlichen photographischen Silberhalogenidelements | |
DE3104997A1 (de) | Verfahren zur herstellung von waessrigen natriummethioninat-loesungen (a) | |
DE19654183A1 (de) | Farbentwickler | |
EP0358037A2 (de) | Verfahren zur Verarbeitung eines farbfotografischen Materials | |
DE69409213T2 (de) | Verfahren zur Verarbeitung farbphotographischer, lichtempfindlicher Silberhalogenidmaterialien und zur Herstellung eines Farbbilds | |
DE69321899T2 (de) | Herstellung von fliessbarem alkali- oder ammoniumthiosulfat oder -sulfit und produkt nach diesem verfahren | |
DE69522167T2 (de) | Verfahren zur Verarbeitung eines photographischen, lichtempfindlichen Silberhalogenidmateriales | |
DE69515713T2 (de) | Feste Entwicklungszusammensetzung in Tablettenform für lichtempfindliche photographische Silberhalogenidmaterialien und deren Verwendung | |
DE69409467T2 (de) | Verwendung einer festen Verarbeitungszusammensetzung für photographische lichtempfindliche Silberhalogenidmaterialien |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE DE FR GB |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
17P | Request for examination filed |
Effective date: 19981204 |
|
AKX | Designation fees paid |
Free format text: BE DE FR GB |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: TETENAL AG & CO. KG. |
|
17Q | First examination report despatched |
Effective date: 20070913 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20080124 |