Abstract: The present invention provides a kit for preparing a processing liquid for use in the preparation of a lithographic printing plate according to the silver salt diffusion transfer process, and comprising all necessary active compounds for preparing said processing liquid, said active compounds including a hydrophobizing agent being provided on the surface of solid particles, said solid particles being soluble in said processing liquid.

Abstract: Color developing chemicals in the form of granules for a silver halide color photographic material containing a p-phenylenediamine compound, wherein the color developing chemicals further contain a compound represented by the following formula, the chemicals imparting a pH of 5.

Abstract: A solid photographic processing composition in tablet form for a silver halide photographic light sensitive material is provided, wherein at least a part of the surface of said solid processing composition is covere-coated with a compound selected from (i) a polyalkylene glycol having an average molecular weight of 2000 to 20000, (ii) a monosaccharide or disaccharide and (iii) a vinyl polymer having a betaine structure. The tablets of the processing composition are enclosed in a package, and introduced into a processing tank.

Abstract: In an apparatus for processing a silver halide photographic material, processing solid agent is composed of a mixture of a plurality of processing agent components and has average particle sizes of 150 .mu.m to 3000 .mu.m more than 50% in particle size distribution thereof. The agent supply device measures a predetermined volume of the processing solid agent and supplies it into a processing solution with which the silver halide photographic material is processed.

Abstract: A method for processing an exposed silver halide color photographic photosensitive material is disclosed, which comprises the step of developing the exposed material with a color developer in a color development tank of an automatic developing apparatus, the developer in the developer tank being replenished with replenishing water and a solid color developing composition comprising a p-phenylenediamine color developing agent having a water-solubilizing group, wherein the replenishing amount of the water is 30 to 75 ml per m.sup.2 of the material processed and the replenishing amount of the color developing agent is 0.024 to 0.066 mol per liter of the replenishing amount of the water.

Abstract: Disclosed are a method for processing a black-and-white light-sensitive silver halide photographic material containing at least one kind of a tetrazolium compound or a hydrazine compound with a developing solution containing a polyhydroxybenzene type developing agent, wherein the developing solution is a developing solution prepared by using a solid processing agent, a solid processing agent for a black-and-white light-sensitive silver halide photographic material containing a tetrazolium compound or a hydrazine compound comprising a polyhydroxybenzene type developing agent and a solid processing agent for a black-and-white light-sensitive silver halide photographic material containing a tetrazolium compound or a hydrazine compound comprising a thiosulfate fixing agent and water in an amount of 300% or less based on an amount of the thiosulfate fixing agent.

Abstract: A method of manufacturing a tablet processing agent for a silver halide photographic light-sensitive material is disclosed, which comprises the step ofmolding particles into tablets at a compression pressure of 400 to 4500 kg/cm.sup.2 and at a compression dwell time of 0.015 to 1.000 second to obtain the tablet processing agent, wherein the particles comprises a compound selected from the group consisting of a p-phenylene diamine and its derivatives, a hydroxylamine and its derivatives, an alkali metal carbonate, an amino polycarboxylic acid ferric complex and a thiosulfate.

Abstract: A method for processing a silver halide photographic light-sensitive material is disclosed which comprises the steps of:exposing the light-sensitive material;developing the exposed material with a developer; andreplenishing the developer with a repleniser developer in amount of 200 ml or less per m.sup.2 of the material, said developer and replenisher developer are prepared by dissolving in water a solid photographic developing composition comprising a developing agent and a compound selected from the group consisting of compounds represented by the following ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a hydroxy group, a mercapto group, a carboxyl group, a sulfo group, a phosphono group, an amino group, a nitro group, a cyano group, a halogen atom, an alkoxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a sulfamoyl group or a heterocyclic group, provided that R.sub.1 and R.sub.

Abstract: A method for processing an exposed silver halide photographic light-sensitive material is provided, comprisingdeveloping the photographic material with a developer,fixing the photographic material with a fixer,stabilizing the photographic material with a stabilizer, andreplenishing at least one of the developer, the fixer and the stabilizer by supplying a processing composition,wherein the processing composition is a solid composition, meeting the following requirement,2.ltoreq.S/R.ltoreq.70wherein S is a dissolving time (in minutes) of a unit by weight of the solid composition supplied and R is an amount (in m.sup.2) of the photographic material processed per unit weight of the solid composition supplied.

Abstract: A method for developing light-sensitive silver halide photographic materials, in a compact automatic developing machine, comprising transporting the light-sensitive silver halide photographic materials to a processing tank which contains a processing solution for processing an exposed light-sensitive silver halide photographic material. The processing tank includes a processing portion, and a receiving portion for receiving a solid processing agent. A solid processing agent is supplied to the receiving portion of the processing tank based on information on the amount of processing of the light-sensitive silver halide photographic materials. The solid processing agent is preferably in the form of tablets which contain all components necessary to process the light-sensitive silver halide photographic material. The processing solution is circulated between the processing portion and the receiving portion at a flow rate of not less than 0.5 times the processing tank volume per minute.

Abstract: In a method of processing a photosensitive material in a processing solution, a solid component and water are fed separately. A working solution is prepared by dissolving the solid component in the water. Thereafter; the photosensitive material is processed by being brought in contact with the working solution.

Abstract: A solid developing composition for providing a color developer of a silver halide photographic light-sensitive material is disclosed, which comprises a compound represented by the following Formula (I), and a compound represented by the following Formula (II) or a saccharide: ##STR1##

Abstract: A solid processing agent for a silver halide photographic light-sensitive material is disclosed, which comprises a compound represented by the following Formula (I): ##STR1## wherein R.sub.1 represents a halogen atom, an alkyl group or an alkenyl group, provided that a plural of R.sub.1 's may be the same or different; R.sub.2 represents a halogen atom, an alkyl group, an alkenyl group or an alkoxy group; R.sub.3 represents a lower alkyl group, provided that R.sub.1, R.sub.2 and R.sub.3 may be the same or different, m and n each represent an integer of 0 to 5; and X represents an anion.

Abstract: A process for processing a black-and-white silver halide photographic light-sensitive material is disclosed, the material comprising a photographic component layer containing a hydrazine compound, and the process comprising the step of exposing the light-sensitive material, and developing the exposed material with developer having a pH of not more than 10.7, the developer being prepared from a solid developing composition and the developer being replenished with developer replenisher in an amount of not more than 250 cc per m.sup.2 of the light-sensitive material to be developed.

Abstract: A method for processing a first black-and-white silver halide photographic light-sensitive material comprising a hydrazine compound and a second black-and-white silver halide photographic light-sensitive material comprising a tetrazolium compound is disclosed, a photographic layer on the side of a silver halide emulsion layer of each material containing gelatin in an amount of not more than 3.0 g per m.sup.2 of the material, and the process comprising the step of exposing the light-sensitive materials and developing the exposed materials with the same developer having a pH of from 9.5 to 10.7, the developer being replenished with developer replenisher in an amount of not more than 250 cc per m.sup.2 of the light-sensitive materials to be developed.

Abstract: A processing chemical for light-sensitive silver halide photographic material, comprising a cyclodextrin compound, which can contribute a decrease in packaging materials, transportation cost and storage space, can be free from lateral cracking at the formation of tablets, and can bring about an improvement in storage stability after being formed into processing solutions (i.e., more free from occurrence of stain during developing and scratches in light-sensitive materials having been processed, caused by deposition of crystals).

Abstract: A solid photographic processing agent for a silver halide photographic light-sensitive material is disclosed. It has a bulk density of 0.5 to 6.0 g/cm.sup.3, and comprises a photographic processing agent and at least one of the compounds represented by the following Formula (I):Formula (I)R--(O).sub.n SO.sub.3 Xwherein R represents an alkyl group having 1 to 8 carbon atoms, a phenyl group or a polymer chain having a repetition unit derived from an ethylenically unsaturated group; X represents a hydrogen atom, an alkali metal or an ammonium group; and n is an integer of 0 or 1.

Abstract: Disclosed is a solid photographic color developing composition comprising a photographic color developing agent and at least one of monosaccharides.

Abstract: A method for processing photographic silver halide materials with aqueous processing baths which are replenishedduring processing, in which at least one chemical substance in the form of a plurality of solid bodies of geometrically defined shape and of the same size and composition is added to replenish at least one processing bath, is distinguished by a low consumption of chemicals and by a minimal accumulation of overflow for subsequent disposal.

Abstract: A black and white direct positive image forming process is disclosed. The process comprises imagewise exposing to light a silver halide light sensitive material and developing the material with a black and white developing solution. The light-sensitive material comprises a non-pre-fogged internal latent image type silver halide emulsion layer provided on a support. The material further contains a quaternary salt nucleating agent and a nucleating accelerator. In the present invention, the black and white developing solution contains an imidazole compound and a benzotriazole compound. The amount of the benzotriazole compound is preferably in the range of 0.1 to 10 wt.% of the amount of the imidazole compound. The black and white direct positive image is preferably formed on a computer output microfilm (COM).

Abstract: A composition for developing a silver halide photographic light-sensitive material is disclosed. The composition has a form of a tablet or granule and comprises an organic development inhibitor having a solubility of not higher than 1 % by weight in an aqueous medium having a pH value of 6 to 12, and a water-soluble or alkali-soluble polymer having a melting point of 30.degree. C. to 100.degree. C. in an amount of not less than 5% by weight of total weight of the composition. The granules or tableted composition of the invention is preferably produced in a process comprising steps of (1) melting the polymer, (2) dissolving the organic development inhibitor in the melted polymer, (3) mixing the melted polymer containing the component with the remaining components of the composition, and (4) granulating or tableting the mixed composition. The composition is friendly for environment and is excellent in stability, conservability.

Abstract: Solid anti-fogging agents such as 5-nitroindazole which are otherwise poorly soluble in water are converted to readily water soluble compositions that are solids at room temperature when they are first dissolved in water soluble polymers or other organic compounds that have a melting point above room temperature and do not chemically react with the anti-fogging agent. The anti-foggants are preferably dissolved in the polymer or organic compound at or near the compounds' melting point below 175.degree.C.

Abstract: Photographic processing chemicals in solid form containing the necessary active ingredients and auxiliary substances and in addition at least one compound corresponding to formula (I)HO--R--O.sub.n H (I)whereinR denotes C.sub.2 -C.sub.4 -alkyl andn denotes 1-200or at least one compound corresponding to the following formulaR.sub.1 --OH (II)whereinR.sub.1 denotes C.sub.10 --C.sub.18 -alkylor at least one water-soluble polymer, e.g. selected from polystyrene sulphonic acid and polyvinyl alcohol, or a mixture of at least two of the above mentioned compounds in a quantity of from 0.5 to 100 g/kg of solid substance are dust free or relatively dust free.

Abstract: A packed photographic processing agent to be used for an automatic processor, in a plate form with holes solidified by adding a water-soluble polymer, is disclosed. It is lighter than the bottled conc. liquid type agent and more compact than the powder type agent packed in an envelope.A packed material made of disposable cardboard is teared off when it is pushed into a charging opening of an automatic solution preparing unit equipped to the automatic processor.

Abstract: A vacuum package of a color developing composition comprising an aromatic primary amine color developing agent and other components is obtained by vacuum packaging the components in a bag as a layered structure of at least three solid state layers each consisting of a distinct component. A bottom layer consists of the color developing agent. A layer containing a component selected from an organic acid, brightener, polymer, surface active agent, and neutral salt is disposed adjacent the color developing agent layer. Additional layers containing a preservative and an alkaline agent are stacked on the bottom layer through the adjacent layer. The packaged composition is taken out of the bag and diluted with water to prepare a color developer.

Abstract: A vacuum package of a photographic processing composition consisting of a plurality of components is obtained by placing the components in a bag as separate solid state layers in a vacuum sealed manner. A normally liquid component is converted into a solid adduct in order to form a layer. A substantially water insoluble component or trace component is coated on the surface of particles of a water soluble inorganic compound, from which another layer is formed. The packaged composition is taken out of the bag and diluted with water to prepare a processing solution.

Abstract: Photographic processing chemicals in the form of granulates having an average particle diameter of from 150 to 3000 .mu.m containing a polymer having a molar mass of from 6,000,000 to 14,000,000 in a quantity from 1 to 1,000 mg/kg of granulate consisting of at least 80 mol % of one or more of the monomers, acrylamide, acrylic acid and cationic monomer or mixtures of acrylamide and cationic or anionic monomer are distinguished by being easy to prepare, dust free and freely pourable.

Abstract: A granulated photographic fixative or bleach fixative composed of grains containing both a thiosulphate and a disulphite is mechanically stable, dust free and freely pourable, will keep indefinitely and is distinguished by its great speed of solution.

Abstract: Color photographic bleaching agent containing, in the form of a granulate having an average particle diameter of from 150 to 3000 .mu.m, an iron (III) complex or an iron (III) complex salt and a rehalogenating agent is dust free and freely pourable, will keep indefinetely and dissolves in water at 25.degree. C. within 45 seconds to form a solution ready for use.

Abstract: In a method for processing at least 2 kinds of silver halide color photographic light-sensitive materials comprising the steps of development, desilvering, water washing and/or stabilization, the method comprises processing, in a common desilvering bath, one silver halide color photographic light sensitive material having, applied to a substrate, a silver halide emulsion layer which contains, on average, not less than 3 mole % of silver iodide and another silver halide color photographic light sensitive material having, applied to a substrate, a silver halide emulsion layer which is substantially free of silver iodide, the desilvering bath containing a processing solution having bleaching ability which contains at least one stilbene type fluorescent brightener and a processing solution having fixing ability which contains iodide ions ranging from 1.times.10.sup.-4 to 1.times.10.sup.-1 mole/l.

Abstract: A concentrated alkaline photographic developer composition, packaged in a single part to be diluted with water to form a ready to use developing solution for silver halide photographic materials, which comprises dihydroxybenzene developing agents, inorganic alkali agnets, inorganic antioxidant agents, sequestering agents and antifoggants, wherein said inorganic antioxidant agents comprise Na.sub.2 SO.sub.3 (sodium sulfite) and K.sub.2 SO.sub.3 (potassium sulfite) in a molecular ratio of 1:1 to 1:3 in an amount of from 1.6 to 4 moles per liter, the molecular ratio between said inorganic antioxidant agents and the developing agents is from 1.50 and 4.00, and said concentrated developer composition has a specific gravity higher than 1.300 at 20.degree. C.

Abstract: A granulate mixture containing at least three different granulates of solid constituents of a color photographic developer, one granulate containing the protective agent against oxidation, another granulate containing the developer substance and the third granulate containing the alkali donor, is pourable, produces no dust, rapidly dissolves in water, has unlimited durability and gives reliable, reproducible results on development.

Abstract: Salts of 1-phenyl-3-pyrazolidinones which are useful photographic silver halide developing agents.

Abstract: A storage stable and rapid dissolving packaged powder developer of uniform composition is produced by preparing developer or developer precursor solutions and removing solvent to provide powder for packaging in plastic impervious to the atmosphere. Preferably, the solvent is removed by freeze-drying or spray-drying.

Abstract: Salts of 1-phenyl-3-pyrazolidinones with organic sulphonic acids, which are useful photographic silver halide developing agents.

Abstract: Salts of 1-phenyl-3-pyrazolidinones which are useful photographic silver halide developing agents.

Abstract: There is provided a developer for use in a one-step process for the development of exposed film resulting in an exposurewise pattern of silver particles which are large enough to be used as printing elements in ink-printing techniques, providing a wide range of densities in the developed film. The developer is based on a buffered system of a developing agent, a sulfinic acid salt of the type HO-R-SO.sub.2.M..times.H.sub.2 O where R is a hydrocarbyl group and M is a cation, and a formaldehyde source, with conventional adjuvants such as anti-fogging agents and the like. Instead of the sulfinic acid salt defined above there may be used any compound which upon dissociation in a aqueous medium results in the same active ionic species.

Abstract: The processing time of exposed photographic silver dye bleach materials is shortened by using a bleach preparation which contains a strong acid, a water-soluble iodide, a water-soluble organic nitro compound, an anti-oxidizing agent, a bleach catalyst, an organic photographic developing agent and/or a benzotriazole derivate.

Abstract: A self-contained silver halide diffusion transfer imaging sheet is provided which contains three layers on a substrate. The first layer is a silver halide emulsion formed in a non-ionic material. The intermediate layer is a water barrier. The third layer is a nucleating region which contains collodial silver. A developer, base and silver transport agent can also be located in these layers. For example, the base and silver transport agent can be located in the nucleating layer, with the developer located in the emulsion layer. After the emulsion is exposed to actinic radiation, a non-aqueous activating medium is supplied which initiates the development and diffusion transfer processes. The final result is a positive image in the nucleating layer.

Abstract: Sparingly-soluble alcohols, such as benzyl alcohol, which function to enhance photographic coupling efficiency are incorporated in photographic color developing solutions by the use of solid water-soluble alcohol-precursor compounds. The solid precursor compounds, which can be advantageously utilized as components of an all-solid photographic processing kit, comprise a solubilizing group which is cleaved by the alkaline environment of the color developing solution to form the sparingly-soluble alcohol. Examples of such solid precursor compounds which are especially advantageous in the preparation of color developing solutions are the alkali metal monobenzylcarbonates and the alkali metal monobenzylsulfites.

Abstract: A toner comprising a resin, a colorant and a positive charge control agent selected from the group consisting of mica, monoalkyl and dialkyl tin oxides and urethane compounds, said charge control agent having high positive charging ability and good dispersibility in the resin, can be used for developing to give good quality images, having high density in the image areas and low background in the non-image areas.