Abstract: A method and apparatus for cleaning treatment composition containers are disclosed which are capable of taking out photographic treatment compositions in the form of powder, granules, tablets or slurry from the containers without adhesion of the components to the inner wall of the container and residue of the coagulated and solidified substances and as well as cleaning the inside portions of the containers. The method and apparatus for cleaning the containers for the photographic treatment compositions have the steps of mounting containers filled with treatment compositions in the form of powder, granules, tablets or slurry and comprising as a resin, only high-density polyethylene (HDPE) having a density of 0.941 to 0.969 g/cm3 and a melt index of 0.3 g/10 min to 5.0 g/10 min to a cleaning apparatus; opening an opening portion of the container to inject the treatment material into a dissolving tank, and spraying cleaning water into the empty container from a nozzle.

Abstract: A bundle for simultaneous refilling of chemicals for processing color photography silver halide materials in an automatic processing apparatus, wherein the bundle comprises at least one bottle with the refilling solution for a color developer and at least two bottles with refilling solutions for a bleach-fixing bath, characterized in that the bottle with the refilling solution for the color developer comprises more than 60 g of color developer substance per 1 L of bottle volume, is distinguished in that the capacity of the bundle is increased.

Abstract: A concentrated composition of a color developer replenisher for a silver halide color photographic material, the composition comprising a single solution, wherein the solution comprises 0.14 mol/liter or more of a p-phenylenediamine color developing agent, the solution has a specific gravity of 1.2 or more, the solution has pH of 13.3 or more, the solution comprises from 0.2 to 1 mol/liter of at least one compound selected from benzenesulfonic acids which may be substituted with an alkyl group, and lactams, and the solution comprises substantially no alkanolamine.

Abstract: The present invention provides an aqueous regenerator for addition to an aqueous developer that contains an organic solvent, a dispersing agent and a weak base, and has a pH of between about 8 and less than about 13. The aqueous regenerator includes an organic solvent, dispersing agent, and an effective amount of a strong base such that the regenerator has a greater pH than the developer into which the regenerator is to be added.

Abstract: An aqueous, homogeneous, single-part color developing concentrate comprises a color developing agent in free base form and an organic antioxidant. The concentrate also includes a water-miscible or water-soluble organic co-solvent and a quaternary ammonium salt to enhance its stability. The concentrate can be used to make a working strength processing solution, or it can be used as a replenishing composition with proper dilution, and is particularly useful for processing color negative or color reversal photographic silver halide films.

Abstract: A color developer concentrate composition is disclosed, comprising a color developing agent, a sulfite and a compound represented by formula (1), the color developing agent concentration 0.02 to 0.2 mol/l and the sulfite concentration meeting the following requirement: 0.

Abstract: A one-part photographic developing concentrate comprising: (i) a paraphenylene diamine color developing agent; and (ii) a water-soluble organic solvent, wherein a molar ratio of sodium ion to potassium ion is at least 3, and a molar ratio of sulfate ion to carbonate ion is at least 0.25.

Abstract: A concentrated color developer composition packed in a container which is comprised of material exhibiting an oxygen permeability of not more than 50 ml/(m2·day·atm), and the concentrated color developer composition comprising a hydroxyalkyl-substituted p-phenediamine type color developing agent of not less than 0.05 mol/l, a sulfite and a hydroxylamine salt. The processing method by use of the concentrated composition is also disclosed.

Abstract: A developer composition for a lithographic printing plate comprising on an aluminum plate support a photosensitive layer which comprises an ethylenically unsaturated monomer, a photopolymerization initiator and a polymeric binder is disclosed, wherein the developer composition contains water in an amount of not more than 10% by weight and is substantially free from a silicate. There is also disclosed a developer solution obtained by dissolving the developer composition in water.

Abstract: A single-part, single-phase liquid color developer concentrate for color photographic development having at least one color developing agent of p-phenylenediamine or a derivative or salt thereof, an aqueous solution containing one or more organic solvents in a weight ratio of water to the organic solvent greater than or equal to about 60:40, a molar ratio of [Na+]/[K+] of at least about 1:2, preferably at least about 2:1, and/or a molar ratio of the organic solvent of Formula (I) to a free base of the p-phenylendiamine or p-phenylendiamine derivative is from about 3:1 to about 30:1 is described. The color developer concentrate is simple to manufacture, stable, compact, easy to use, has good water solubility upon dilution, minimizes mixing errors, and can be used with a very low replenishment rate. A method for processing image-wise exposed photographic color silver halide emulsions using the single-part, single-phase liquid color developer concentrate is also provided.

Abstract: The present invention intends to provide a color developing solution of a silver halide color photographic photosensitive material that can be applied to a variety of photosensitive materials, can improve the workability and can obtain an improved image quality. The above objective can be achieved by using a color developing solution that includes a first processing solution containing a color developing agent having pH larger than 7, and a second processing solution containing an alkali agent, the compound having the pKa in a range of equal to or greater than 9 and equal to or less than 12 in a compound at least one kind of compounds shown in any one of the following general formulae (I), (II) and (III) having pKa equal to 9 or more and equal to 12 or less, and has the pH smaller than 13.5.

Abstract: An aqueous developer solution for use in digital film processing. The developer solution includes a developing agent and at least one surfactant or thickener. A method of processing a photographic film is also provided, and includes the steps of coating an aqueous developer solution containing at least one surfactant or thickener onto the film, thereby developing the film, and scanning the film through the coating of developer solution.

Abstract: A one-part photographic developing concentrate comprising: (i) a paraphenylene diamine color developing agent; and (ii) a water-soluble organic solvent, wherein a molar ratio of sodium ion to potassium ion is at least 3, and a molar ratio of sulfate ion to carbonate ion is at least 0.25.

Abstract: A three-part color developing kit includes (I) a first concentrated aqueous solution having a pH of from about 11 to about 13.5 and comprising at least 0.25 mol/l of sulfite ions, at least 2.5×10−5 mol/l of iodide ions, at least 0.05 mol/l of bromide ions, and at least 0.5 mol/l of a buffer having a pKa of from about 11 to about 13.5, (II) a second concentrated aqueous solution having a pH of from about 3 to about 6 and comprising at least 1 g/l of a vinyl pyrrolidone polymer, and at least 0.05 mol/l of an organic antioxidant, and a third concentrated aqueous solution having a pH of from about 1 to about 3 and comprising at least 0.05 mol/l of a color developing agent, and at least 0.005 mol/l of sulfite ions.

Abstract: An aqueous coating fluid is described comprising gelatin at a concentration of at least 1 wt % and a colloidal particle dispersed material phase at a volume fraction of at least 0.01, wherein at least 20% of the gelatin comprises a gelatin prepared from hydrolysis of ossein using sodium or potassium hydroxide. The present invention enables increasing the concentrations of a coating fluid containing gelatin and dispersed sub-micron colloidal materials, reducing the size of the sub-micron colloidal materials in such a coating fluid, and/or including higher molecular weight gelatin in such a coating fluid without detrimentally increasing the viscosity of such fluids. The invention further enables reducing the viscosity of an aqueous coating fluid containing gelatin and dispersed insoluble colloidal material, without needing to reduce the concentration of gelatin or colloidal materials, increase the size of the sub-micron colloidal materials, and/or reduce the molecular weight of the gelatin.

Abstract: Concentrated and working strength photographic color developing compositions are stabilized with the inclusion of two specific types of calcium ion sequestering agents. One of the sequestering agents is a polyelectrolyte such as a polycarboxylic acid or salt thereof having a molecular weight of from about 2000 to about 100,000. The other one is a non-polymeric aminocarboxylic acid, polyphosphonic acid, or a salt thereof. The weight ratio of the first calcium ion sequestering agent to the second calcium ion sequestering agent is from about 1:1 to about 20:1. These compositions can be used to process color photographic materials such as color photographic papers.

Abstract: A concentrated composition of a color developer replenisher for a silver halide color photographic material, the composition comprising a single solution, wherein the solution comprises 0.14 mol/liter or more of a p-phenylenediamine color developing agent, the solution has a specific gravity of 1.2 or more, the solution has pH of 13.3 or more, the solution comprises from 0.2 to 1 mol/liter of at least one compound selected from benzenesulfonic acids which may be substituted with an alkyl group, and lactams, and the solution comprises substantially no alkanolamine.

Abstract: A single-part colour developing concentrate with a pH greater than or equal to 7 which contains at least 0.02 mol of a colour developer substance and at least 0.015 mol of an antioxidant per litre, characterised in that the concentrate contains 0.05 to 35 g per litre of a wetting agent soluble in water in this amount, is distinguished by very good stability in storage at low temperatures and the discharge behaviour from the concentrate bottle is considerably improved and soiling of the processing equipment is avoided. Furthermore, the optical brightener precipitation occurring in practice in the bleach fixing bath is also prevented.

Abstract: An aqueous, homogeneous, single-part color developing concentrate comprises a color developing agent in free base form and an N,N-dialkyl- or N,N-diarylhydroxylamine antioxidant that has at least one solubilizing substituent.

Abstract: A concentrated color developer composition packed in a container which is comprised of material exhibiting an oxygen permeability of not more than 50 ml/(m2·day·atm), and the concentrated color developer composition comprising a hydroxyalkyl-substituted p-phenediamine type color developing agent of not less than 0.05 mol/l, a sulfite and a hydroxylamine salt. The processing method by use of the concentrated composition is also disclosed.

Abstract: A color developer concentrate composition is disclosed, comprising a color developing agent, a sulfite and a compound represented by formula (1), the color developing agent concentration 0.02 to 0.

Abstract: A black-and-white photographic developing composition or developing kit includes an ascorbic acid developing agent and is essentially free of hydroquinone and similar developing agents. The developing composition further includes a water-miscible hydroxy-containing organic solvent having a molecular weight of from about 50 to about 200. The weight ratio of the organic solvent to water is from about 0.1:1 to about 8:1.

Abstract: The present invention is a liquid processing composition for a color development of a silver halide color photographic material, which comprises: at least one specific compound; at least one glycol selected from the group consisting of ethylene glycol, diethylene glycol and triethylene glycol; and at least one polyethylene glycol having a number average molecular weight of from 1,000 to 2,000, and a development processing method using the same.

Abstract: A concentrated black-and-white photographic developing composition has improved stability, is compatible with the environment and provides desired sensitometric properties with a combination of particular antifoggants. These antifoggants include a mercapto-substituted tetrazole and a benzimidazole that has one or more electron withdrawing groups. This concentrated composition can be used as a first “part” and mixed, upon dilution, with a diluted second “part” that is a concentrated composition of a gelatin hardening agent. When mixed together, the two diluted concentrates form a working strength developing composition that can be used to provide black-and-white images in various photographic silver halide materials, and particularly in radiographic films.

Abstract: A color developer solution capable of inhibiting precipitation or tar-staining occurring in the processing tank or the roller rack, even when being processed rapidly or at low replenishing rate and a concentrated composition thereof is disclosed, comprising at least one selected from specified N-disubstituted hydroxylamine derivatives and at least one selected from specified N-monosubstituted hydroxylamine derivatives in a molar ratio falling within the range of 1000:1 to 1:1.

Abstract: An image formation process is disclosed, comprising overlapping an imagewise exposed silver halide photographic material onto a processing element with an aqueous medium being present between the photographic material and the processing element to perform development, thereby forming an image in the photographic material, wherein the aqueous medium contains at least a color developing agent or a precursor thereof, and the aqueous medium having a viscosity of 10.0 to 15000 cp at 25° C.

Abstract: A black-and-white photographic developing composition or developing kit includes an ascorbic acid developing agent and is essentially free of hydroquinone and similar developing agents. The developing composition further includes a water-miscible hydroxy-containing organic solvent having a molecular weight of from about 50 to about 200. The weight ratio of the organic solvent to water is from about 0.1:1 to about 8:1.

Abstract: An image formation process of a silver halide color photographic light sensitive material is disclosed, rising coating a processing solution containing a color loping agent onto the exposed photographic material in a coating section to perform development, while supplying the processing solution to the coating section, wherein the processing solution has a viscosity of 10.1 to 15000 cp at 25° C. and the processing solution being supplied to the coating section at a supplying rate of 0.002 to 2.0 ml/sec.

Abstract: An improved method for making a p-phenylenediamine color developer concentrate in a free-base form wherein the sulfate or chloride salt of the color developer is contacted with an alkali metal hydroxide includes the steps of forming a liquid free-base layer and a water layer, separating the liquid free-base layer from the water layer; and mixing the liquid free-base with a water soluble hydroxy organic solvent, wherein the p-phenylenediamine color developer concentrate has at least 0.06 mol/l of a color developing agent in the free base form.

Abstract: A stabilized solution of an alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methanesulfonylaminoethyl)-2-methyl-p-phenylenediamine includes from about 10 to 40 weight percent of an alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methane sulfonylaminoethyl)-2-methyl-p-phenylene-diamine; from about 30 to 70 weight percent of at least one photographically inactive water-miscible or water-soluble hydroxy-containing, organic solvent of the alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methane sulfonylaminoethyl)-2-methyl-p-phenylene-diamine; from about 5 to 40 weight percent water; and from about 1 to 40 weight percent of a preservative for the alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methane sulfonylaminoethyl)-2-methyl-p-phenylene-diamine, wherein the weight percentages are based on the total weight of the stabilized solution. Another aspect of the invention are processes for making stabilized p-phenylenediamine color developer solutions.

Abstract: A three-part color developing kit includes (I) a first concentrated aqueous solution having a pH of from about 11 to about 13.5 and comprising at least 0.25 mol/l of sulfite ions, at least 2.5×10−5 mol/l of iodide ions, at least 0.05 mol/l of bromide ions, and at least 0.5 mol/l of a buffer having a pKa of from about 11 to about 13.5, (II) a second concentrated aqueous solution having a pH of from about 3 to about 6 and comprising at least 1 g/l of a vinyl pyrrolidone polymer, and at least 0.05 mol/l of an organic antioxidant, and a third concentrated aqueous solution having a pH of from about 1 to about 3 and comprising at least 0.05 mol/l of a color developing agent, and at least 0.005 mol/l of sulfite ions.

Abstract: A three-part color developing kit includes (I) a first concentrated aqueous solution having a pH of from about 11 to about 13.5 and comprising at least 0.25 mol/l of sulfite ions, at least 2.5×10−5 mol/l of iodide ions, at least 0.05 mol/l of bromide ions, and at least 0.5 mol/l of a buffer having a pKa of from about 11 to about 13.5, (II) a second concentrated aqueous solution having a pH of from about 3 to about 6 and comprising at least 1 g/l of a vinyl pyrrolidone polymer, and at least 0.05 mol/l of an organic antioxidant, and a third concentrated aqueous solution having a pH of from about 1 to about 3 and comprising at least 0.05 mol/l of a color developing agent, and at least 0.005 mol/l of sulfite ions.

Abstract: Concentrated aqueous photographic color developing compositions include a photographic color developing agent in free base form and a compound represented by Structure I wherein R is carboxy or sulfo, m is an integer of from 0 to 7, and n is an integer of from 2 to 5. These compositions can be used to provide images in color silver halide photographic materials with reduced residual sensitizing dye stain.

Abstract: A concentrated black-and-white photographic developing composition has improved stability, is compatible with the environment and provides desired sensitometric properties with a combination of particular antifoggants. These antifoggants include a mercapto-substituted tetrazole and a benzimidazole that has one or more electron withdrawing groups. This concentrated composition can be used as a first “part” and mixed, upon dilution, with a diluted second “part” that is a concentrated composition of a gelatin hardening agent. When mixed together, the two diluted concentrates form a working strength developing composition that can be used to provide black-and-white images in various photographic silver halide materials, and particularly in radiographic films.

Abstract: A concentrated aqueous solution of a p-phenylenediamine derivative, which a) has a pH higher than 12.5, b) contains 0.4 to 1.1 mol p-phenylenediamine derivative/litre, c) contains 0.05 to 2 mol of an antioxidant/litre, d) contains at most 35% by weight of organic solvents with respect to the total solution, e) contains at most 50 mmol sulphate ions/litre and f) is single-phase, is suitable for the production of different colour developer formulations.

Abstract: A two-part color photographic developer concentrate in which part 1 contains at least one antioxidant selected from the group consisting of diethylhydroxylamine and diethylhydroxylamine disulfo acid, at least one auxiliary solvent, at least one optical brightener and at least one color developer substance and part 2 contains at least one buffer substance, alkali and at least one water softener, may be produced by part 1 additionally containing 0.001 to 1 mol of hydroxylamine or a monoalkylated hydroxylamine or the salts thereof per liter of concentrate concentrate and at least 20% by weight of the total of part 1 being water.

Abstract: Photographic developer replenisher concentrates comprising more reactive developers, like 4(N-ethyl-N-2-hydroxyethyl)-2 -methylphenylenediamine (CD-4) undergo rapid oxidation, and consequently, have shorten shelf-life stabilities. Hydroxylamine type derivatives, while disclosed as being useful as a class of antioxidants for stabilizing photographic developer replenishers, most were found to impart either inadequate shelf-life stability for CD-4 developer, or interfered with “satisfactory developer performance.” Surprisingly, it was discovered the shelf-life stability of replenisher concentrates comprising CD-4 photographic developer could be extended for periods of 2 years or longer, and also provide satisfactory developer performance when the hydroxylamine antioxidant comprises at least N,N-bis(2 -sulfoethyl) hydroxylamine (SEHA) or a salt thereof.

Abstract: A concentrated black-and-white photographic developing composition has improved stability, is compatible with the environment and provides desired sensitometric properties with a combination of particular antifoggants. These antifoggants include a mercapto-substituted tetrazole and a benzimidazole that has one or more electron withdrawing groups. This concentrated composition can be used as a first “part” and mixed, upon dilution, with a diluted second “part” that is a concentrated composition of a gelatin hardening agent. When mixed together, the two diluted concentrates form a working strength developing composition that can be used to provide black-and-white images in various photographic silver halide materials, and particularly in radiographic films.

Abstract: A color developing composition is stable in the presence of calcium ion because of the presence of two specific types of polyphosphonic acid sequestering agents. The composition also comprises a color developing agent in free base form and an antioxidant for the color developing agent. The mixture of sequestering agents includes a polyaminopolyphosphonic acid and either a hydroxyalkylidenediphosphonic acid or morpholinomethanediphosphonic acid. The composition can be used to provide images in various color photographic silver halide materials.

Abstract: A one-part colour developer concentrate which contains at least one colour developer substance, at least one antioxidant, at least one water softener, a buffer system, alkali, which concentrate contains at most 0.1 mol of sulfate ions/L, is usable for a wide range of regeneration rates and exhibits no precipitation at down to −7° C. if it is prepared as a multi-phase concentrate using organic, water-soluble solvents.

Abstract: A stabilized solution of an alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methanesulfonylaminoethyl)-2-methyl-p-phenylenediamine includes from about 10 to 40 weight percent of an alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methane sulfonylaminoethyl)-2-methyl-p-phenylene-diamine; from about 30 to 70 weight percent of at least one photographically inactive water-miscible or water-soluble hydroxy-containing, organic solvent of the alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methane sulfonylaminoethyl)-2-methyl-p-phenylene-diamine; from about 5 to 40 weight percent water; and from about 1 to 40 weight percent of a preservative for the alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methane sulfonylaminoethyl)-2-methyl-p-phenylene-diamine, wherein the weight percentages are based on the total weight of the stabilized solution. Another aspect of the invention are processes for making stabilized p-phenylenediamine color developer solutions.

Abstract: A stabilized p-phenylenediamine color developer solution having about 10 to 40 weight percent of a p-phenylenediamine free base color developer, about 40 to 70 weight percent of a hydroxy-containing organic solvent for the p-phenylenediamine free base color developer, and about 1 to 40 weight percent of a preservative for the p-phenylenediamine free base color developer, wherein the weight percentages are based on the total weight of the stabilized solution. Another aspect are processes for making stabilized p-phenylenediamine color developer solutions.

Abstract: Concentrated aqueous photographic color developing compositions include a photographic color developing agent in free base form and a compound represented by Structure I 1

Abstract: A single-part, single-phase liquid color developer concentrate for color photographic development having at least one color developing agent of p-phenylenediamine or a derivative or salt thereof, an aqueous solution containing one or more organic solvents in a weight ratio of water to the organic solvent greater than or equal to about 60:40, a molar ratio of [Na+]/[K+] of at least about 1:2, preferably at least about 2:1, and/or a molar ratio of the organic solvent of Formula (I) to a free base of the p-phenylendiamine or p-phenylendiamine derivative is from about 3:1 to about 30:1 is described. The color developer concentrate is simple to manufacture, stable, compact, easy to use, has good water solubility upon dilution, minimizes mixing errors, and can be used with a very low replenishment rate. A method for processing image-wise exposed photographic color silver halide emulsions using the single-part, single-phase liquid color developer concentrate is also provided.

Abstract: A compact developer concentrate composition for color photographic development that has a reduced number of parts is described. The compact developer concentrate composition includes a concentrate and a coated solid. The coating of the solid remains insoluble in the concentrate, but is easily dissolved upon mixing with water to prepare a replenisher and/or working strength developer. The compact developer concentrate composition is stable, compact, easy to use, has good water solubility upon dilution with water, minimizes mixing errors, and remains free of degradation during long-term storage. A method of processing image-wise exposed photographic color silver halide emulsions using the developer concentrate composition is also provided.

Abstract: The invention relates to a developer concentrate which comprises water, at least one agent which is alkaline in water and an amphoteric surfactant and additionally at least one anionic surfactant, at least one complexing agent, at least one aminoalcohol and at least one N-alkoxylated mono- or polyfunctional amine. A ready-to-use developer can be prepared from this concentrate by dilution with tap water advantageously in the ratio of from 1:0.5 to 1:10, preferably in the ratio of from 1:2 to 1:6. The developer or the replenisher is preferably used in the production of printing plates.

Abstract: A concentrated aqueous solution of a p-phenylenediamine derivative, which a) has a pH higher than 12.5, b) contains 0.4 to 1.1 mol p-phenylenediamine derivative/litre, c) contains 0.05 to 2 mol of an antioxidant/litre, d) contains at most 35% by weight of organic solvents with respect to the total solution, e) contains at most 50 mmol sulphate ions/litre and f) is single-phase, is suitable for the production of different colour developer formulations.

Abstract: The invention relates to an aqueous concentrated solution of a photographic antifoggant. This antifoggant is 3-nitrobenzene sulfonate of sodium, and the solution contains between about 50 and 150 g/l of this antifoggant.

Abstract: A photographic aqueous processing solution containing at least one solid compound that has a maximum solubility therein corresponding to a desired operating level, which solution is kept in equilibrium with the solid form of the compound, thus maintaining its concentration at the desired level without the need for a replenishing system.

Abstract: The invention is directed to an aqueous developing composition which is useful in developing negative-working lithographic printing plates. More particularly, the developing composition includes an organic solvent, a surfactant, and a gelatin, which is present as more than 3% by weight of the total developer.