Abstract: A process for the redox development of an imagewise exposed photographic recording material comprises developing the photographic material in a redox developer/amplifier solution containing peroxide as an oxidizing agent, hydroxylamine as an antioxidant, and to improve the stability of the solution under aeration conditions, an effective amount of a mono or di-N-substituted hydroxylamine. The molar ratio of hydroxylamine to N-substituted hydroxylamine may be from 1:200 to 100:1. The substituents in the mono- or di-N-substituted hydroxylamine may be substituted or unsubstituted monovalent organic groups having 1 to 12 carbon atoms.

Abstract: A method for processing a silver halide photographic light-sensitive material is disclosed. The processing method comprises the step of (1) developing a silver halide photographic light-sensitive material which comprises a support having thereon a silver halide emulsion layer and a hydrophilic colloid layer adjoining with the silver halide emulsion layer, and at least one of the silver halide emulsion layer and the hydrophilic colloid layer contains a phosphazene compound and a compound represented by the following Formula 1 or 2 by a developing solution and (2) fixing the silver halide photographic light-sensitive material by a fixing solution, ##STR1## wherein R.sub.1 and R.sub.2 are each independently a hydroxyl group, a mercapto group, an amino group, an acylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an alkoxycarbonyl group or an alkylthio group, and Z is a group of atoms necessary to form a 5- or 6-member ring, ##STR2## wherein R is an aryl group, R.sub.3, R.sub.4, R.sub.

Abstract: Improved concentrated photographic developing slurries having new and desirable characteristics prepared with conventional photographic processing agents eliminate solidification of sedimentation crystals during shipping, storage or extreme temperatures and provide readily solubilized concentrates which upon dilution form working strength photographic developing solutions. The concentrated developing slurries prepared according to these methods are characterized by two phases including an opaque precipitation phase having with a sedimentation comprising inorganic antioxidant agents and a clear phase comprising developing agents dissolved therein.

Abstract: A repeatable regeneration process for developers comprised of introducing unremarkable sulfites or their derivatives to new and partially exhausted developers for use as a formula conditioner, base and repeatable regeneration supplement for extended development of color or B&W images utilizing silver halide or silver chloride as used in photographic materials.

Abstract: A method for processing a silver halide photographic light-sensitive material is disclosed.

Abstract: Provided are a liquid color developer suitable for silver halide color photosensitive material, preferably for a silver halide color photosensitive material having a magnetic recording layer on a support, wherein the developer comprises a single solution containing at least one compound represented by the following formula (I) and having specific gravity of from 1.05 to 1.13; and a processing method using the aforementioned liquid color developer:HO--N(R)--L--A (I)wherein L represents an unsubstituted or substituted alkylene group; A represents a carboxyl group, a sulfo group, a phosphono group, a hydroxy group, or an unsubstituted or alkyl-substituted amino group; and R represents a hydrogen atom, or an unsubstituted or substituted alkyl group.

Abstract: Processing of color photographic materials can be accomplished using an aqueous redox amplifier composition comprising a color developing agent, an antioxidant therefor, hydrogen peroxide, and a stabilizing amount of nitrite ions to reduce dye loss during storage.

Abstract: A solid processing composition for developing a silver halide black-and-white photographic light sensitive material containing a compound represented by the following formula as a developing agent, in which a metabisulfite, or the metabisulfite and a sulfite is contained in an amount of 1 to 50% by weight of the composition, a molar ratio of the sulfite to the metabisulfite being not more than 0.85.

Abstract: Silver bromoiodide color negative films can be rapidly color developed using heat stabilized color developing solutions kept at high temperatures with minimal changes in the resulting color record densities. These advantages are achieved using specific hydroxylamine derivatives as antioxidants in the color developer solution.

Abstract: A one-part liquid developer for a black and white silver halide photographic material, comprising:i) an ascorbic acid or derivative thereof as a developing agent,ii) an auxiliary developing agent having super-additivity,iii) an alkali agent necessary for giving a pH of about 9, andiv) a compound for enhancing development.

Abstract: The invention provides a liquid developer for photographic silver halide photosensitive material comprising a silver halide emulsion layer containing at least 50% based on the projected area of tabular silver halide grains with an aspect ratio of at least 3.0 and having a swelling factor of 130-250%. In the liquid developer containing ascorbic acid or a derivative thereof as a developing agent or preservative, a compound of formula (I): ##STR1## wherein each of R.sub.1 and R.sub.2 is a C1-C3 hydroxyalkyl group or C1-C3 alkyl group and R.sub.3 is a C1-C3 hydroxyalkyl group is added for preventing the developer from coloring with the lapse of time.

Abstract: A redox developer-amplifier composition contains a color developing agent and a redox oxidizing agent. The composition also contains a stabilizing amount of Zn.sup.++ or Mg.sup.++ ions, and thus has improved stability.

Abstract: A simple and effective bleaching method includes the use of a bleaching solution including a peroxide bleaching agent and chloride ion in an amount of at least 0.35 mol/l. An organic phosphonic acid or tertiary aminocarboxylic acid can also be present for stability. The method is useful for bleaching color photographic films containing at least 20 mol % silver bromide and from 0 to about 0.5 mol % silver iodide in at least one silver halide emulsion.

Abstract: A simple and effective peroxide bleaching method includes the use of a bleaching solution including a peroxide bleaching agent and chloride ion in an amount of at least 0.35 mol/l. An organic phosphonic acid or tertiary aminocarboxylic acid can also be present for stability. The method is useful for bleaching high silver bromide color negative photographic films containing at least 80 mol % silver bromide and from 0.5 to 5 mol % silver iodide in at least one silver halide emulsion.

Abstract: There are described novel photographic processing compositions, film units and processes for use in diffusion transfer photographic systems. More particularly, there is described a method for forming a diffusion transfer image photographic processing of diffusion transfer photographic film units in the presence of hypoxanthine and inosine. Diffusion transfer photographic systems utilizing the novel photographic element or method of the present invention exhibit substantially fewer, if any, crystals on the final image of the finished photograph post-processing.

Abstract: A color image can be rapidly provided by color developing an imagewise exposed, duplitized color photographic element that has an ISO of at least 25. The duplitized elements have at least one light sensitive silver halide imaging layer or color recording unit on each side of the support.

Abstract: A process for the formation of a dye image by a redox amplification process in an imagewise exposed photographic color material having at least one silver halide layer and associated therewith a dye image-forming color coupler, comprises treating the material in a color developer solution containing a color developing agent and hydroxylamine as developing agent preservative. The color developing solution is replenished directly as solids or liquid concentrates with or without additional water. The process is carried out in a tank in which the ratio of the tank volume to maximum area of material accommodatable therein is less than 11 dm.sup.3 /m.sup.2.

Abstract: Processing of color photographic materials can be accomplished using an aqueous redox amplifier composition comprising a color developing agent, an antioxidant therefor, hydrogen peroxide, and a stabilizing amount of nitrite ions to reduce dye loss during storage.

Abstract: A method for processing a silver halide color photographic material comprising a step of processing an exposed silver halide color photographic material with an automatic processor, a color developing solution used in the processing step containing triisopropanolamine, and a conveying rate of the automatic processor being 1,100 mm/min. or more.

Abstract: An aqueous redox amplifier solution having a pH in the range 10.0 to 13.5 comprises:a color developing agent and/or auxiliary developing agent, hydrogen peroxide or a compound that provides hydrogen peroxide in a concentration equivalent to 0.1 to 50.0 ml/l of 30% w/w solution, anda borate or other complexing compound capable of reversibly forming a complex with hydrogen peroxide, the complexing compound being in a concentration of from 1.0 to 100.0 g/l, andwherein the relative amounts of complexing compound and hydrogen peroxide are such as to provide an amount of hydrogen peroxide effective for redox amplification and buffer the hydrogen peroxide and thereby reduce the decline in the rate of redox amplification. This solution is useful for processing color photographic elements.

Abstract: Substituted hydroxylamine antioxidants can be prepared by reacting hydroxylamine or a mono-substituted hydroxylamine with an epoxide. The antioxidant reaction product is not removed from the reaction mixture, but is used without separation after combination with a color developer to provide a photographic color developer composition. The antioxidants are highly water soluble and thus exhibit no objectionable odor.

Abstract: A processing solution for processing an exposed silver halide photographic light-sensitive material comprises a compound represented by the following formula (A): ##STR1## wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 each represent --COOM.sub.1, --OH, --PO.sub.3 M.sub.1 M.sub.2 or --CONH.sub.2 in which M.sub.1 and M.sub.2 each represent a hydrogen ion, an alkali metal ion or another cation; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent a hydrogen atom, a lower alkyl group or a hydroxyl group; n.sub.1, n.sub.2, n.sub.3 and n.sub.4 each represent an integer of 0, 1 or 2, provided that none of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen atoms when n.sub.1 +n.sub.2 =1 and n.sub.3 +n.sub.4 =1; and X represents a substituted or unsubstituted alkylene group having 2 to 6 carbon atoms or --(B.sub.1 O)m-B.sub.2 -- in which B.sub.1 and B.sub.2 each represent a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms, and m is an integer of from 1 to 4.

Abstract: A redox-amplification solution comprising hydrogen peroxide, or a substance capable of releasing hydrogen peroxide, or reducing agent, such as a color developing agent, and in combination three or more sequestering agents for complexing with a transition metal ion to inhibit catalysis of impurities emanating from a photographic film coating and enhance the stability of the solution; a method of photographic color processing including a step using the redox-amplification solution and its use therefor.

Abstract: A photographic bleach solution contains hydrogen peroxide, or a compound capable of releasing hydrogen peroxide, and two or more sequestering agents capable of complexing with a transition metal. The bleach solution ha a pH in the alkaline range. A method of using such a photographic bleach solution is also disclosed.

Abstract: An aqueous redox amplifier solution having a pH in the range 10.0 to 13.5 comprises:a color developing agent and/or auxiliary developing agent,hydrogen peroxide or a compound that provides hydrogen peroxide in a concentration equivalent to 0.1 to 50.0 ml/l of 30% w/w solution, anda borate or other complexing compound capable of reversibly forming a complex with hydrogen peroxide, the complexing compound being in a concentration of from 1.0 to 100.0 g/l, andwherein the relative amounts of complexing compound and hydrogen peroxide are such as to provide an amount of hydrogen peroxide effective for redox amplification and buffer the hydrogen peroxide and thereby reduce the decline in the rate of redox amplification. This solution is useful for processing color photographic elements.

Abstract: A composition for developing a silver halide color photographic material comprising a color developing agent and a hydroxylamine compound represented by Formula I or II: ##STR1## wherein Stab is a stabilizing group such that when the hydroxylamine compound is added to a test developer solution of the following formula the pH of the test developer solution decreases less than 0.12 at an aeration time of 90 hours:TABLE 1 ______________________________________ Developer Formulation Components Quantity/L ______________________________________ Lithium salt of sulfonated 0.25 mL Polystyrene (30% wt/wt Liq) Triethanolamine 11.0 mL Stilbene Stain-Reducing Agent 2.3 g Hydroxylamine compound 0.05 moles Lithium Sulfate 2.7 g 1-Hydroxyethylidene-1-diphosphonic 0.8 mL acid (60% wt/wt Liq) Potassium Chloride 1.8 g Potassium Bromide 0.2 g 4-amino-3-methyl-N-ethyl-N-(.beta.- 4.85 g methanesulfonamidoethyl)aniline (color developer) Potassium Carbonate 25.0 g Water to 1 L solution pH adjusted to 10.

Abstract: Photographic elements, especially color papers, can be processed with developer, redox amplification or bleaching solutions that contain hydrogen peroxide or other oxidants. These solutions include a dissolved compound that has a hydrophobic hydrocarbon group and an additional group that enables the compound to adsorb to silver or stainless steel. The dissolved compound inhibits the catalytic effect of the metal on decomposition of the hydrogen peroxide so the processing solutions are more stable.

Abstract: Substituted hydroxylamine antioxidants can be prepared by reacting hydroxylamine or a mono-substituted hydroxylamine with an epoxide. The antioxidant reaction product is not removed from the reaction mixture, but is used without separation after combination with a color developer to provide a photographic color developer composition. The antioxidants are highly water soluble and thus exhibit no objectionable odor.

Abstract: An image formation method by silver salt diffusion transfer is described, which comprises subjecting a photosensitive element containing at least one photosensitive silver halide emulsion layer to image exposure, then developing the photosensitive element by use of an alkali processing composition containing a solvent for a silver halide to turn at least a part of unexposed silver halide of the photosensitive silver halide emulsion layer into a transferable silver complex salt, transferring at least a part of the transferable complex salt to a silver precipitating nucleus-containing image receiving layer to form an image on the silver precipitating nucleus-containing image receiving layer, and separating the silver precipitating nucleus-containing image receiving layer from the photosensitive element after image formation to obtain the image, wherein the image is formed in the presence of at least one compound represented by the following formula (I) and at least one compound represented by the following form

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 process for processing a silver halide color photographic material, which comprises developing in a color developer substantially free of sulfite ion and containing an aromatic primary amine color developing agent and at least one phosphorus compound selected from the group consisting of compounds represented by formula (I), formula (I-a) and formula (I-b) and internal salts thereof: ##STR1## wherein R, R' and R" each represents an aliphatic hydrocarbon group or an aryl group; A represents a divalent or trivalent linking group; M, M' and M" each represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, an ammonium or a quaternary ammonium; and m represents 2 when M, M' or M" is monovalent and m is 1 when M, M' and M" is divalent.

Abstract: A method of processing a silver halide photographic material with a developer containing a compound represented by formula (A), wherein the developer further contains at least one compound represented by formula (B) or (C): ##STR1##

Abstract: The present invention relates to a black-and-white aqueous alkaline photographic developer composition, free of dihydroxybenzene developing agent, comprising a reductic acid developing agent and an auxiliary superadditive developing agent, wherein the reductic acid developing agent is represented by the formula (I): ##STR1## wherein, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each are selected from the group consisting of hydrogen and group CH.sub.2 R.sub.5, wherein R.sub.5 is hydrogen or a monovalent group, e.g. amino, cyano, halogen, hydroxyl, carboxyl, sulfonyl, alkyl, cycloalkyl, aryl.A process for forming a black-and-white photographic silver image comprising developing a silver halide photographic element with said black-and-white aqueous alkaline photographic developer composition is also described.

Abstract: Certain 2,1-benzisoxazol-3(1H)-ones are useful as antioxidants in photographic color developer compositions. These compounds are highly water soluble and are essentially odorless. In addition, they have extended shelf life. They are useful in processing silver halide color photographic elements having at least one incorporated dye forming coupler.

Abstract: Color photographic elements are bleached after exposure and development by using a peroxide bleaching solution. This solution comprises a peroxide bleaching agent, chloride ions in an amount of at least 0.35 mol/l, a first acid which is a which is an organic phosphonic acid or a salt thereof, and a second acid which is a 2-pyridinecarboxylic acid or 2,6-pyridinedicarboxylic acid, or a salt thereof. The bleaching solution is stabilized by the presence of the two sequestering acids.

Abstract: Photographic processing using an additive represented by formula (I): ##STR1## wherein R.sub.1 is an aliphatic hydrocarbon group, an aryl group, or a heterocyclic ring group; R.sub.2 is hydrogen, an aliphatic hydrocarbon group, an aryl group, or a heterocyclic ring group; L.sub.1, L.sub.2, L.sub.3, L.sub.4 and L.sub.5 are independently an alkylene group; m and n are independently 0 or 1; W.sup.1 and W.sup.2 are independently an alkylene group, an arylene group, aralkylene group or a divalent nitrogen-containing heterocyclic ring group; D is a single bond, --O--, --S-- or --N(R.sub.w), where R.sub.2 is hydrogen, an aliphatic hydrocarbon group or an aryl group; v is 0 or an integer or from 1 to 3; w is an integer of from 1 to 3; and M.sub.1, M.sub.2, M.sub.3 and M.sub.4 are independently hydrogen or a cation.

Abstract: An improved photographic element comprises a support bearing at least-one silver halide emulsion layer having associated therewith a hydrazide compound that functions as a scavenger for oxidized developing agent. The hydrazide compound comprises at least one polyhydroxy aromatic nucleus or a precursor thereof and at least one moiety containing an ##STR1## group which is bonded to a ring carbon atom of the polyhydroxy aromatic nucleus or precursor thereof through a linking group. The linking group can be an oxy, thio, sulfinyl, sulfonyl or alkylene group or it can be a carbonyl group when the polyhydroxy aromatic nucleus comprises at least three hydroxyl groups.

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 imagewise exposed black-and-white negative silver halide photographic light-sensitive material comprising a support having provided thereon photographic layers including at least one silver halide emulsion layer, one of said photographic layers containing a hydrazine derivative, said method comprising;developing said light-sensitive material with a developer comprising a black and white developing agent and a compound represented by Formula VI, said developer having a pH of less than 11.5; ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are each independently hydrogen, --SM.sub.1, hydroxyl, alkoxyl having 1 to 5 carbon atoms, --COOM.sub.2, amino, alkyl having 1 to 5 carbon atoms, provided that at least one of R.sub.1, R.sub.2, and R.sub.3 is --SM.sub.1, and M.sub.1 and M.sub.2 are each independently hydrogen, alkali metal, or ammonium.

Abstract: Substituted hydroxylamine antioxidants can be prepared by reacting hydroxylamine or a mono-substituted hydroxylamine with an epoxide. The antioxidant reaction product is not removed from the reaction mixture, but is used without separation after combination with a color developer to provide a photographic color developer composition. The antioxidants are highly water soluble and thus exhibit no objectionable odor.

Abstract: A method of developing with developer an exposed black and white silver halide photographic light-sensitive material is disclosed, the developer containing a compound represented by the following Formula (1a) , (1b) , (2) or (3) and a compound represented by the following Formula (4) or (5): ##STR1##

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: 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: A process of forming a super high-contrast negative image is disclosed, which comprises the steps of imagewise exposing a negative-working silver halide photographic material comprising a support having thereon one or more hydrophilic colloidal layers, at least one of the one or more hydrophilic colloidal layers being a negative-working silver halide emulsion layer, and then developing the photographic material with a developer containing an aminophenol derivative developing agent and a reductone compound in the existence of an organic compound having a negative reduction potential. A negative-working silver halide photographic material and a photographic developer being used for the image-forming process are also disclosed.

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: 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 method of processing a silver halide color photographic material by exposing the material to light, color developing, processing with a solution having a fixing function and thereafter, stabilizing the material. The stabilizing processing solution is one in for replacing formaldehyde in known processing solutions. The compound that replaces the formaldehyde is a meta substituted benzaldehyde. A method of using the processing solution is also disclosed.

Abstract: Disclosed is a stabilizer for silver halide color photographic light-sensitive materials comprising-at least one compound represented by Formula (I) and at least one compound selected from the group consisting of Formula (II-A), Formula (II-B) and Formula (II-C); ##STR1## wherein Z represents a group of atoms necessary to form a substituted or unsubstituted homocycle or a substituted or unsubstituted heterocycle, X represents an aldehyde group, ##STR2## wherein R.sub.1 and R.sub.2 each represents a lower alkyl group; 1 represents an integer of 1 to 4, ##STR3## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a lower alkyl group, X.sub.1 and X.sub.2 each represent an alkyleneoxy group or a branched alkyleneoxy group, m and n each represents 0 or an integer of 1 to 100, provided that m+n.ltoreq.100 is satisfied, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, a hydroxyl group, a lower alkyl group, an alkoxyl group, a halogen atom or a hydroxyalkyl group.

Abstract: A method of processing an imagewise exposed photographic silver halide colour material by a redox amplification method in wherein colour developing solution is applied to the material in the presence of atmospheric oxygen and a hydroxylamine compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each an alkyl or aryl groups either of which may be substituted, andwherein the colour developer solution is agitated sufficiently for redox amplification to occur.

Abstract: A method of making a lithographic printing plate that comprises the steps of:(a) imagewise exposing a unitary, light sensitive material which consists of a support, at least one negative working light sensitive silver halide layer and a surface physical development nucleating layer, said construction containing a developing agent and electron transfer agent in one or more layers;(b) processing said printing plate in a diffusion transfer alkaline activator solution containing at least one aminocarboxylic acid complexing agent.