Abstract: The present invention improves the running stability of a developer comprising an ascorbic acid instead of hydroquinone as a developing agent. The present invention provides a process for development of a black-and-white silver halide photographic material, which comprises use of a development replenisher for black-and-white silver halide photographic material comprising an ascorbic acid and/or derivative thereof which has a pH value of at least 0.5 higher than that of the development starting solution.

Abstract: Photographic developing compositions are provided that are free of dihydroxybenzene developing agents and are used in the processing of photographic elements. The developing compositions have a pH in the range of from 10.1 to 10.9 and comprise at least 0.17 moles per liter of an ascorbic acid developing agent, 0.3 to 0.5 moles per liter of a sulfite and 0.2 to 0.4 moles per liter of a carbonate buffer. Also provided is an ecologically advantageous method for processing photographic elements which utilizes the non-toxic developing compositions.

Abstract: A silver halide photographic material is disclosed, which comprises a support having thereon at least one silver halide emulsion layer, wherein the swelling amount of the hydrophilic colloid layers including the light-sensitive silver halide emulsion layer and a protective layer coated on at least one side of the support is not more than 10 .mu.m in thickness and at least 60% of the total projected area of the total silver halide grains in at least one silver halide emulsion layer includes tabular silver halide grains having a Cl.sup.- content of at least 20 mole %, a {100} plane as the major plane, a thickness of 0.35 .mu.m or less, and an aspect ratio (diameter/thickness) of at least 2, and further a developing process for developing the above silver halide photographic material with a developer containing ascorbic acid or the derivative thereof is disclosed.

Abstract: A silver halide photographic material is disclosed, comprising a support having thereon one or more hydrophilic colloid layers, at least one of the hydrophilic colloid layers being a silver halide emulsion layer comprising silver halide grains with a silver chloride content of at least 90 mol %, wherein at least one hydrophilic colloid layer contains at least one compound selected from the compounds represented by formulae (I), (II) and (III); and at least one compound selected from the compounds represented by formulae (A), (B) and (C): ##STR1## wherein the substituents are as defined in the claims. The silver halide photographic material can be handled in an environment which can essentially be referred to as bright room.

Abstract: Disclosed is a silver halide photographic material and forming an image using the same, containing a hydrazine derivative in the emulsion layer(s) or in other hydrophilic colloid layer(s). At least one silver halide emulsion comprises silver halide grains containing (a) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of an iridium compound, and (b) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of a rhodium compound or from 1.times.10.sup.-9 to 1.times.10.sup.-5 mol, per mol of silver, of a rhenium compound, ruthenium compound or osmium compound, and having a silver chloride content of 50 mol % or more, the emulsion having been color-sensitized with a sensitizing dye of the following general formulae (1), (2) or (3): ##STR1## The material may be processed with a stable developer to give a hard image having few "black peppers".

Abstract: A silver halide photographic light-sensitive material is disclosed. the light-sensitive material comprises a support bearing on the same side thereof a silver halide emulsion layer and optionally a hydrophilic colloid layer, and at least one of the silver halide emulsion layer or the hydrophilic colloid layer contains a hydrazine derivative in a form of dispersion of solid particles and at least one of the silver halide emulsion layer or the hydrophilic colloid layer contains a nucleation accelerator represented by the following formula 1; ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group, an substituted or unsubstituted alkenyl group or a substituted or unsubstituted aryl group, provided that R.sub.1, R.sub.2 and R.sub.3 are not a hydrogen atom at the same time and two of R.sub.1, R.sub.2 and R.sub.3 may link to form a ring.

Abstract: Silver halide photographic material is disclosed, which has provided on a support at least one silver halide emulsion layer which comprises silver halide grains containing a silver chloride of 50 mol % or more and at least one emulsion layer and other hydrophilic colloid layers contain at least one hydrazine derivative and at least one phosphonium salt compound.

Abstract: i) A method of forming color images improved in color reproducibility and sharpness, which comprises providing a silver halide color photographic material which has on a support at least one emulsion layer unit constituted of at least two silver halide emulsion layers having the same color sensitivity and different photographic speeds, and which contains at least one DIR compound represented by the following general formula (II) in at least one layer selected from said emulsion layer unit and other constituent layers; exposing said color photographic material, and processing said color photographic material with a color developer containing at least one compound represented by the following general formula (I): ##STR1## wherein R.sub.1 represents an alkyl group or a hydroxyalkyl group containing; R.sub.2 represents an alkylene group containing, or a straight-chain or branched hydroxyalkyiene group containing 3 to 6 carbon atoms; R.sub.

Abstract: Yellowing of a processed photographic element is inhibited by incorporating a scavenger compound capable of reacting with magenta coupler, e.g. an epoxy compound, in a layer adjacent a layer containing the magenta coupler. At least one of these layers contains a solubilizing agent for the scavenger compound. In preferred embodiments, the processing solution used to process the photographic element contains an external solubilizing agent for the scavenger compound, preferably benzyl alcohol.

Abstract: A novel method of forming radiation images, especially X-ray images of bones and gastric areas for medical examination, is disclosed.

Abstract: To eliminate the "pi-line" artifact after processing a method of image formation is disclosed in a silver halide industrial X-ray photographic material, comprising on at least one side of a support, at least one gelatin silver halide emulsion layer and a total amount of silver halide, corresponding to from 6 to 20 g of silver nitrate per square meter and per side, and at least one non-sensitive protective antistress coating, wherein said material further comprises a hardening agent different from a vinyl sulphone compound, preferably formaldehyde, and at least one polyoxyalkylene compound as a surfactant in at least one of its hydrophilic layers, and wherein after exposure to direct X-rays said material is subjected in an automatic processing machine to the steps of developing in a developer comprising at least one anionic alkylphenoxy polyalkyleneoxy phosphate ester surfactant, fixing in a fixer which may comprise at least one alpha-ketocarboxylic acid, rinsing and drying.

Abstract: Disclosed is a silver halide photographic material for X-ray photography which has at least one light-sensitive silver halide emulsion layer on each side of a transparent support and constitutes a radiation image-forming system in combination with two radiation-intensifying screens respectively arranged on the front and the back sides of the photographic material. The photographic material is characterized by having a crossover rate of at most 15% with respect to the light emitted from said intensifying screens, and by producing an image having a characteristic curve such that when drawn using crossed coordinates equal to each other in unit length, with diffusion density as ordinate (Y-axis) and common logarithm of exposure amount as abscissa (X-axis), the characteristic curve provides a point gamma value ranging from 2.7 to 4.2 at every point within the optical density (diffusion density) range of 1.6 to 2.0 and a point gamma value of at least 0.

Abstract: A method for forming a color photographic image is disclosed. The method comprises steps ofimagewise exposing a silver halide color photographic light-sensitive material comprising a support, and a silver halide emulsion layer and a non-light-sensitive layer each provided on the support,developing the light-sensitive material with a color developer, andbleach-fixing the developed light-sensitive material with a bleach-fixing solution,wherein the silver halide emulsion layer or the non-light-sensitive layer contains a compound represented by the following Formula 1 and the color developer contains a chloride in an amount of not less than 6.times.10.sup.-2 moles per liter; ##STR1## wherein R.sub.1 is a tertiary alkyl group; R.sub.2 is a primary or a secondary alkyl group; R.sub.3, R.sub.4 and R.sub.5 are each an alkyl group, an alkoxycarbonyl group, a phenoxycarbonyl group, an alkoxy group, a phenoxy group or a phenylthio group, the groups represented by R.sub.1, R.sub.3, R.sub.4 or R.sub.

Abstract: Photographic film nucleating agents comprising aryl sulfonamidophenyl hydrazides containing alkene, alkadienyl, alkapolyenyl or cycloalkenyl substituted pyridinium functionality; these nucleators produce better dot quality and superior contrast characteristics in image-wise exposed film elements and wider compatibility with standard rapid access developers and obviate the need to include boosters in the film or in the developer.

Abstract: A silver halide photographic light-sensitive material comprises a support and provided thereon, a hydrophilic colloid layer comprising a silver halide emulsion layer, wherein said support has a thickness of 70 to 120 .mu.m and Young's modulus of not less than 550 kg/mm.sup.2 and said hydrophilic colloid layer has a degree of swelling of not more than 80%, said degree of swelling being obtained by the following equation:Degree of swelling=(B-A).times.100 Awherein A represents a dry thickness .mu.m of the hydrophilic colloid layer and B represents a thickness .mu.m of the hydrophilic colloid layer after the material was immersed for 15 minutes at 35.degree. C. in developer (b).

Abstract: A method for processing an imagewise exposed silver halide color photographic material comprising a support having thereon at least a silver halide emulsion layer containing a cyan dye-forming coupler, a silver halide emulsion layer containing a magenta dye-forming coupler, and a silver halide emulsion layer containing a yellow dye-forming coupler: wherein the silver halide color photographic material contains at least one cyan dye-forming coupler represented by the following general formula (I) or (II) in the silver halide emulsion layer containing the cyan dye-forming coupler: and wherein the processing comprises color developing the imagewise exposed silver halide color photographic material with a color developer containing a p-phenylenediamine derivative represented by the following general formula (III): ##STR1## wherein the substituents are defined herein the specification.

Abstract: A method for processing a silver halide photographic material is disclosed and the photographic material has a support thereon, comprising at least one silver halide emulsion layer and containing a hydrazine compound represented by following formula (I) in the above emulsion layer or the other hydrophilic colloid layers, which comprises processing the silver halide photographic material after exposure in a developing solution containing:(1) 0.2 to 0.75 mole/liter of a dihydroxybenzene developing agent,(2) 0.001 to 0.06 mole/liter of a 1-phenyl-3-pyrazolidone or p-aminophenol auxiliary developing agent,(3) 0.3 to 1.2 mole/liter of a free sulfite ion, and(4) a compound represented by following formula (II), and having a concentration ratio of a compound represented by formula (II) to a dihydroxy developing agent of 0.03 to 0.12 and pH of 9.0 to 11.

Abstract: A method of forming a photographic colour image which comprises imagewise exposing a photographic silver halide colour material and processing it with an alkaline developer solution in the presence of a sulphonhydrazide developer and a heteroarylacetonitrile colour coupler thus forming a dye image by reaction of oxidised colour developing agent and the colour coupler. A colour photographic material is also provided having at least two colour-forming units sensitive to different regions of the spectrum, each having a silver halide emulsion layer, characterised in that the material contains in or adjacent said layer, a ballasted photographic colour coupler and a ballasted sulphonhydrazide colour developing agent incorporated therein in droplets of a high boiling solvent and in which the colour coupler is a heteroarylacetonitrile.

Abstract: A method for making a photographic silver halide developer composition, preferably immediately before use, by electrolysing an aqueous medium containing a developing agent precursor composition which forms or releases a silver halide developing agent at an electrode upon electrolysis.

Abstract: Disclosed is a liquid developer comprising a colorant and a substantial amount of a curable liquid vehicle having a viscosity of no more than about 500 centipoise and a resistivity of no less than about 10.sup.8 ohm-cm. One embodiment of the invention is directed to an electrophoretic liquid developer comprising a substantial amount of a curable liquid vehicle having a viscosity of no more than about 20 centipoise and a resistivity of no less than about 5.times.10.sup.9 ohm-cm, a charge control agent, and colored particles capable of becoming charged and migrating through the liquid vehicle to develop an electrostatic latent image. Another embodiment of the invention is directed to a polarizable liquid developer comprising a colorant and a substantial amount of a curable liquid vehicle having a viscosity of from about 25 to about 500 centipoise and a resistivity of from about 10.sup.8 to about 10.sup.11 ohm-cm.

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: The present invention provides a developer for silver halide photographic light-sensitive materials which provides super-high contrast and is improved in stability with time. This developer contains at least (1) a developing agent, (2) 10 g/l or more of a hydroquinonemonosulfonate, (3) 0.3 mol/l or more of a sulfite and (4) an amino compound in an amount necessary to accelerate enhancement of contrast and has a pH of 10.5-12.3.

Abstract: Disclosed is a photographic image forming method. A silver halide photographic material is processed with a developing solution having a pH of 9.6 to 11.0. The silver halide photographic material has at least one light-sensitive layer containing a chemically-sensitized silver halide emulsion comprising silver halide grains having a silver chloride content of at least 60 mol %. At least one of said at least one light-sensitive layer and a light-insensitive hydrophilic colloid layer contains a hydrazine compound represented by the formula (1):R.sup.1 --NHNH--G--R.sup.2 (1).The variables in the formula are defined in the specification.

Abstract: A dye image-forming method comprising color developing an image wise exposed silver halide color photographic material comprising a support having thereon a layer containing an acylacetamide yellow coupler having an acyl group represented by a following formula (YI) ##STR1## wherein R.sub.1 represents a monovalent group; Q represents a group of atoms necessary to form 3- or 5-membered hydrocarbon ring or a 3- to 5-membered heterocylcic ring; provided that R.sub.1 is not a hydrogen atom and is not combined with Q to form a ring; with a developing solution containing at least one aromatic primary amine color developing agent represented by formula (D) or (E): ##STR2## wherein R.sub.4 represents a linear or branched alkyl group having 1 to 6 carbon atoms or a linear or branched hydroxyalkyl group having 3 to 6 carbon atoms; R.sub.5 represents a linear or branched alkylene group having 3 to 6 carbon atoms or a linear or branched hydroxyalkylene group having 3 to 6 carbon atoms; R.sub.

Abstract: A method of producing an image comprising processing an imagewise exposed silver halide photosensitive material comprising a support having thereon a silver halide emulsion layer containing a silver halide sensitized with a selenium sensitizer in a black-and-white developer which contains a chelate complex salt of a transition metal. In a preferred embodiment, an electric current is passed through the developer to remove halide ions therefrom and to regenerate (reduce) the metal complex. A protective layer may be provided on the silver halide emulsion layer having a thickness of 0.6 .mu.m or less.

Abstract: A high contrast photographic image is formed by development of a photographic material with an amine-free developer having a low pH value. The photographic material has at least one silver halide emulsion on a support. The silver halide emulsion in the emulsion layer contains an iridium salt and/or a rhodium salt and comprises a gold-sensitized and sulfur-sensitized silver chlorobromide emulsion or silver chloroiodobromide emulsion having a silver chloride content of 50 mol% or more and a silver iodide content of 5 mol% or less. The emulsion layer contains a hydrazine compound represented by formula (I): ##STR1## wherein R.sub.1 represents an aliphatic group or an aromatic group, which contains a partial structure, --O(--CH.sub.2 CH.sub.2 O).sub.n --, --O(--CH.sub.2 CH(CH.sub.3)O).sub.n -- or --O(--CH.sub.2 CH(OH)CH.sub.2 O).sub.n --, wherein n is an integer of 3 or more, as a part of the R.sub.1 substituent, or contains a quaternary ammonium cation as a part of the R.sub.1 substituent; G.sub.

Abstract: A silver halide photographic material is disclosed. The photographic material comprises a support having coated thereon one or more hydrophilic colloidal layers, at least one of the hydrophilic colloidal layers being a negative working silver halide emulsion layer, wherein said silver halide emulsion layer or another hydrophilic colloidal layer contains a water-soluble polymer or copolymer having a quaternary ammonium salt in a repeating unit. The process for forming a high contrast negative image using the photographic material is also disclosed.

Abstract: A process for forming a color image comprises the step of developing an image-wise exposed silver halide color photographic material with a color developing composition containing an N-(4-aminophenyl)pyrrolidine derivative such as ##STR1## which produces an excellent hue in a rapid process.

Abstract: A developer for light-sensitive material capable of processing in common a negative-working light-sensitive lithographic printing plate and a positive-working light-sensitive printing plate as well as a developing agent-containing type silver halide photographic material, is disclosed. The developer comprises an alkali agent, an anionic surface active agent, an antifoggant for a silver halide photographic material, and an alkylene oxide addition product (molecular weight of from 130 to 1200) of an aromatic amine or an aralkyl amine, and has pH of the range of from 11.5 to 13.5.

Abstract: A method for the production of a silver image with improved contrast by the development of an image-wise exposed photographic silver halide emulsion layer material with a developer liquid containing a hydroquinone in the presence of an auxiliary developing agent, wherein said developer liquid is applied to said photographic material containing silver halide grains that have been chemically sensitized with organic thiosulphonic acid anions in combination with a gold sensitizer in the absence of thiosulphate ions.

Abstract: An improved photographic developing solution is free of dihydroxybenzene developing agents such as hydroquinone, has a pH in the range of from 9.5 to 11.5 and comprises (1) an ascorbic acid developing agent, (2) an auxiliary super-additive developing agent and (3) a carbonate buffering agent in a concentration of at least 0.5 molar. The developing solution is broadly useful in black-and-white development but is most advantageously employed in a process for forming a high-contrast image utilizing a silver halide photographic element comprising a hydrazine compound which functions as a nucleating agent and an amino compound which functions as an incorporated booster. The developing solution is ecologically advantageous, exhibits excellent stability with respect to seasoning effects, and provides high speed and good upper scale contrast combined with a low level of pepper fog and a moderate degree of chemical spread.

Abstract: There are provided p-phenylenediamine color developing agent such as ##STR1## which makes it possible to form a yellow dye having a color image fastness to light while its ordinary photographic properties such as the developing activity and hue are kept. A processing liquid composition for a silver halide color photosensitive material comprises the p-phenylenediamine color developing agent and a pH buffering agent, and has a pH of 9 to 12. A process for forming a color image of claim comprises color-developing an image-wise exposed silver halide color photographic material with the processing liquid composition at a temperature of 30.degree. to 45.degree. C. for 20 seconds to 4 minutes.

Abstract: The present invention provides a method for image formation which is free from the problems such as uneven development and pepper fog and can give photographic characteristics of extremely high contrast negative tone using a stable developer and which comprises developing a silver halide photographic light-sensitive material in the presence of a compound represented by the following formula (I): ##STR1## wherein R.sub.1 represents an alkyl group of 1-8 carbon atoms or a cycloalkyl group having 4-8 carbon atoms in the ring, R.sub.2, R.sub.3 and R.sub.4 may be identical or different and each represents a hydrogen atom, an alkyl group, an aralkyl group, an aryl group or a heterocyclic group with a proviso that they cannot be simultaneously hydrogen atoms, R.sub.2 and R.sub.3 may link to each other to form a ring structure, and at least one hydroxy group is present in the substituents R.sub.2, R.sub.3 and R.sub.4.

Abstract: In accordance with the present invention a method for continuously processing a silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent is disclosed. The silver halide color photographic material at least one of the layers of which contains a silver halide emulsion of a high chloride comprising 80 mol % or over of silver chloride is processed, after exposure to light, with the replenishing amount of the color developer being 20 to 120 ml per m.sup.2 of the silver halide photographic material. The silver halide photographic material contains at least one of pyrazoloazole magenta couplers.

Abstract: A developer composition comprising a dihydroxybenzene developing agent, a sulfite ion, and an antisludging agent is diluted with water to prepare a developer for the development of photographic silver halide photosensitive material. The components of the composition are divided into a plurality of parts such that the antisludging agent and the dihydroxybenzene developing agent are added to separate parts which are kept apart during storage until they were combined to form the developer.

Abstract: A method for forming an image, comprising developing an imagewise exposed silver halide color photographic material comprising a support having thereon at least one blue sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, and at least one red-sensitive silver halide emulsion layer with a color developer containing at least one aromatic primary amine color developing agent, wherein the red-sensitive silver halide emulsion layer contains a high silver chloride silver halide emulsion having a silver bromide content of from 0.5 to 6 mol%, and the color developer contains from 3.5.times.10.sup.-2 to 1.5.times.10.sup.-1 mol/l of chloride ion and from 3.0.times.10.sup.-5 to 1.0.times.10.sup.-3 mol/l of bromide ion. The method provides an image having a high maximum density and a low minimum density at high sensitivity while markedly suppressing variations in photographic characteristics, particularly of minimum density, even in rapid and continuous processing.

Abstract: An improved photographic developing solution is free of dihydroxybenzene developing agents such as hydroquinone, has a pH in the range of from 9.5 to 11.5 and comprises (1) an ascorbic acid developing agent, (2) an auxiliary super-additive developing agent and (3) a carbonate buffering agent in a concentration of at least 0.5 molar. The developing solution is broadly useful in black-and-white development but is most advantageously employed in a process for forming a high-contrast image utilizing a silver halide photographic element comprising a hydrazine compound which functions as a nucleating agent and an amino compound which functions as an incorporated booster. The developing solution is ecologically advantageous, exhibits excellent stability with respect to seasoning effects, and provides high speed and good upper scale contrast combined with a low level of pepper fog and a moderate degree of chemical spread.

Abstract: A process for forming an image comprises color-developing an image-wise exposed silver halide color photographic photosensitive material in the presence of a p-phenylenediamine color developing agents such as ##STR1## Due to the effect of the specific color-developing agent, there can be obtained an image having a quite high fastness to light.

Abstract: Process for developing photographic silver halide recording elements containing nonionic fluorinated surfactants using a developer containing at least 15 g/L of dihydroxy benzene compound, 0.15 mole/L of alkali metal sulfate and a wetting agent as described in a concentration of at least 0.1 g/L at a pH of no greater than 11.5. Silver halide recording elements that can be developed are those particularly useful in medical diagnostics with X-rays and in reprography.

Abstract: A method for high contrast development of an image-wise exposed photographic element comprising a support and at least one silver halide emulsion layer, which method comprises contacting said exposed element in the presence of a hydrazine compound with an aqueous alkaline developing solution which has a pH between 10 and 13 and contains a dihydroxybenzene developing agent a 3-pyrazolidinone or an aminophenol developing agent sulphite ions and a contrast promoting amount of an amino compound characterized in that said developing solution further contains an aprotic solvent corresponding to general formula (I) or (II) : ##STR1## wherein R.sub.1 represents alkyl, substituted alkyl, alkylamino or substituted alkylamino, andR.sub.2 and R.sub.3 each independently represent alkyl substituted alkyl orwherein R.sub.1 together with R.sub.2 represent the necessary atoms to form together with the carbon and the nitrogen atom respectively to which they are attached, a heterocyclic ring, and R.sub.

Abstract: A light-sensitive silver halide material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, at least one layer of the light-sensitive silver halide emulsion layer or an adjacent layer thereof containing an oil droplet dispersion in a hydrophilic binder, the oil droplets containing the combination of (a) a polymer insoluble in water and soluble in an organic solvent; (b) a high boiling point organic solvent having a viscosity at 25.degree. C. of at least 500 cp and a boiling point of at least 120.degree. C.; and (c) at least one coupler capable of forming a non-diffusible cyan dye by a coupling reaction with an oxidized form of a primary aromatic amine developing agent.

Abstract: A photographic developing solution for immersion development is disclosed showing a pH of at least 12.0 and containing more than 0.4 moles/liter of a sugar derivative, or an alkali metal salt thereof, corresponding to general formula (I): ##STR1## wherein X represents an oxygen atom or an imino group, and n represents a positive integer from 1 to 4, and R represents a hydroxy group when n is 1, and R represents a hydroxy group or a hydrogen atom when n is 2 to 4.Preferred sugar derivatives according to the present invention are l-ascorbic acid and iso-ascorbic acid. In a most preferred embodiment there are substantially no other developing agents and no sulphite ions present. When developing a graphic arts photographic material lith quality is obtained. The disposal of depleted solutions can be performed in an ecologically safe way.

Abstract: A method for processing a silver halide color photographic material is described, comprising a support having thereon at least one of a light-sensitive silver halide emulsion layer and an adjacent layer thereof containing, at least one compound represented by the formula (V), wherein said silver halide color photographic material is subjected to a color-developing-process with a color developing solution which a replenisher is replenished in an amount of 700 ml or less per m.sup.2 of the silver halide color photographic material: ##STR1## wherein A represents a coupler residue; R.sub.11 represents a divalent aliphatic group having from 1 to 4 carbon atoms; and R.sub.12 and R.sub.13 each represents an aliphatic group having from 1 to 4 carbon atoms.According to the method of processing a silver halide color photographic material, processing performance does not change in spite of the reduced replenishing amount of color developing solution.

Abstract: An environmentally-safe, non-toxic non-hydroquinone and non-alkali metal hydroxide containing photographic developer composition is provided comprising a developer selected from the group consisting of 2-keto gluconic acid and derivatives thereof, together with a sulfite, an alkali metal carbonate, and a 3-pyrzaolidone developer compound.

Abstract: Development of a color photographic material in which the emulsion layers contain silver halide grains with a chloride content of at least 80 mol % can be completed within 40 seconds by using a substantially bromide free color photographic developer solution containing, in 1 liter of aqueous solution ready for use, from 4 to 15 g of the developer corresponding to the following formula ##STR1## or a corresponding quantity of its salts, from 8 to 35 g of PO.sub.4.sup.3- ions, at least 0.2 g of antioxidant, from 0.5 to 5.0 g of KCl and other conventional components and adjusted to a pH of from 10.4 to 12.9.

Abstract: A method of processing a silver halide photographic material with a compact and high speed automatic processor is disclosed. The developing solution contains hydroquinone, 1-phenyl-4-methyl-3-pyrazolidone, and 1-phenyl-4,4-dimethyl-3-pyrazolidone or 1-phenyl-4-methyl-4-hydroxy-methyl-3-pyrazolidone. The method is suitable for an X-ray photographic material.

Abstract: A photographic reversal process for the production of positive photographic images by imagewise exposure of the photosensitive material containing at least one silver halide emulsion layer, black-and-white first development of the material, chemical fogging, color development and bleaching, fixing, washing or stabilizing and drying, in which the material is transferred from the first development to the color development without any intermediate steps, such as intermediate washing or diffuse second exposure, the first development bath exclusively contains one or more N,N-dialkyl-p-phenylenediamine derivatives as developer and a tin(II) complex compound and is adjusted to a pH value of <8 and the color development bath likewise exclusively contains one or more N,N-dialkyl-p-phenylenediamine derivatives as developer and is adjusted to a pH value >10, requires considerably less time than the conventional process but produces equivalent results.

Abstract: A method for processing a silver halide color photographic material is described, which comprises processing a silver halide color photographic material comprising a reflective support having thereon at least one silver halide emulsion layer for a period of 2 minutes and 30 seconds or less with a color devleoping solution which does not substantially contain benzyl alcohol and which contains at least one of compounds selected from the group consisting of a compound represented by formula (I), a compound represented by formula (II), hydantoic acid, allylamine, aminoguanidine, o-aminobenzoic acid, L-(+)-cysteine, benzylamine, DL-serine, morpholine, N-hydroxyethyl morpholine, o-aminobenzyl alcohol, quinuclidine, or salts thereof, tetramethylammonium acetate, choline, or choline chloride, ##STR1## wherein R.sup.1 represents a hydroxyalkyl group having from 2 to 10 carbon atoms; and R.sup.2 and R.sup.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, said emulsion layer or at least one of other hydrophilic colloid layers containing a compound represented by formula (I):PWR--Time--.sub.T LA (I)wherein PWR represents a group which undergoes reduction to release (Time).sub.t LA; Time represents a group which release LA upon reaction following release of (Time).sub.t LA from PWR; t represents an integer of 0 or 1; and LA represents a group having a maximum light absorption in a wavelength range of 310 nm or more.

Abstract: An image-forming process for silver halide photographic material is disclosed, in which the photosensitive material have at least one silver halide emulsion layer on a support and contains a hydrzaine compound in the emulsion layer or other constitutional layers. The image-forming process comprises developing the photographic material containing the hydrozine compound of formula (I) with the developing agent of formula (II).