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: An image forming method using a negative type image forming material is disclosed, and said method comprises the steps of exposing a negative type image forming material to infrared laser imagewise, which image forming material comprises a substrate and an image recording layer formed thereon, comprising (A) a radical generator, (B) a radical-polymerizable compound, (C) an infrared absorbing agent, and (D) a binder polymer; and developing the image forming material with an alkaline developing solution comprising a weak acid or a salt thereof having a dissociation constant pka of from 10 to 13.

Abstract: A composition is disclosed which is photopolymerizable upon absorption of light in the wavelength range between 300 and 450 nm, the composition comprising a binder, a polymerizable compound, a sensitizer and a photoinitiator, characterized in that the sensitizer is an optical brightening agent. A high speed is obtained, enabling the preparation of a lithographic photopolymer plates with low-cost blue or violet laser diodes.

Abstract: A method of making a lithographic printing plate is disclosed which comprises the steps of

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 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 radiographic imaging system for making a radiograph by a radiography apparatus using a photographic combination of a silver halide photographic light sensitive material in combination with intensifying screens, the photographic material comprising a support having a light sensitive silver halide emulsion layer on each both sides of the support, wherein the radiography apparatus conducts making a radiograph under the condition that a distance between a focal point of an X-ray tube and the photographic material is 0.9 to 3.0 m, a distance between the focal point of the X-ray tube and an object and the photographic combination is 0.3 to 1.5 m.

Abstract: An amplified color developing composition is stabilized with a cyclicaminomethanediphosphonic acid or salt thereof alone of in combination with other stabilizing compounds. This composition also comprises a color developing agent, a redox oxidizing agent (such as hydrogen peroxide), and a hydroxylamine antioxidant for the color developing agent. The amplified color developing composition can be formulated using a two- or three-part processing kit. The composition can be used to provide images in various color photographic silver halide materials such as color photographic papers.

Abstract: This invention relates to a method of forming a viewable image from a scene exposed onto a color negative photographic film element and for producing a color image suited for conversion to an electronic form and subsequent reconversion into a viewable form comprising: color developing an imagewise exposed color negative photographic film element with a color developer as described herein said color development being carried out by contacting said film with the developer for a period of 20 to 90 seconds at a temperature of 40° C. or greater; WHEREIN the layer units of the film element each exhibits a dye image gamma of less than 1.0, the element exhibits an exposure latitude of at least 2.7 log E, where E is exposure measured in lux-seconds, and a light sensitivity of at least ISO 50, the gamma ratio of each of the red, green and blue light recording layer units is between about 0.80 and 1.30, and the average layer thickness is 1.5 micrometers or less.

Abstract: On-press developing method of a lithographic printing plate precursor, the lithographic printing plate precursor comprising an image-forming layer which comprises a hydrophobizing precursor, and the method comprising fountain solution-clarifying means which comprises: aggregating a hydrophobizing precursor mingled in a fountain solution and removing the aggregated hydrophobizing precursor by filtration; or adding a coagulant to a fountain solution and filtering the fountain solution.

Abstract: Thermally imageable lithographic printing plate precursors and heat-sensitive compositions for use in these printing plate precursors are disclosed. The compositions contain an aqueous developer soluble polymer, such as a phenolic resin; a compound that reduces the aqueous developer solubility of the polymer; and optionally, and infrared absorber. Examples of compounds that reduce the aqueous developer solubility of the polymer are those that contain at least one quarternized nitrogen atom, such as quinolinium compounds, benzothiazolium compounds, pyridinium compounds, and imidazoline compounds. On thermal imaging, the irradiated areas become more soluble in the aqueous developer and can be removed to form a positive image.

Abstract: A color photographic silver halide material having a support, which material comprises at last one blue-sensitive, yellow-coupling silver halide emulsion layer and at least one geen-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer, and which contains at least one masking coupler which has two chromophores which absorb in the wavelength range from 420 to 750 nm and are eliminable or decolorisable by coupling with the developer oxidation product, is distinguished by improved sensitivity associated with undiminished color purity.

Abstract: A method of processing a silver halide photographic material is disclosed, comprising on a support a light sensitive silver halide emulsion layer, wherein the light-sensitive layer contains a spectral-sensitizing dye represented by formula (1-a); a developer solution contains a developing agent represented by formula (A); and the replenishing rate of a processing solution is determined based on the proportion of an exposed area per unit area of the photographic material to perform replenishment.

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 plate-making method of a lithographic printing plate comprising exposing imagewise a photosensitive lithographic printing plate comprising an aluminum support and a photosensitive layer comprising a photosensitive composition of photopolymerization type, which contains a compound having a nitrogen atom and an ethylenically unsaturated double bond, a photopolymerization initiator and a polymer binder, and developing the exposed printing plate with a developing solution containing (1) an inorganic alkali agent and (2) a nonionic surface active agent having a polyoxyalkylene ether group.

Abstract: A direct X-ray system for industrial radiography, like non-destructive testing applications, and personal monitoring, being particularly less sensitive to pressure phenomena, has been disclosed, said system consisting of a direct X-ray black-and-white negative-working radiographic film material, comprised of a transparent support coated on at least one side thereof with a tabular grain emulsion layer, substantially free from spectrally sensitizing dyes, in which at least 50 percent of total grain projected area of all grains is accounted for by silver bromoiodide tabular grains having an iodide content of less than 5 mole %, based on silver, having an average aspect ratio of at least 2, and having a volume greater than 0.

Abstract: A method for processing a silver halide photographic light-sensitive material which comprises a support, a silver halide emulsion layer provided on the support and a hydrophilic colloid layer adjacent to the silver halide emulsion layer, comprising a step of developing the photographic light-sensitive material with a developing solution containing an ascorbic acid compound as a developing agent, wherein the photographic material contains an amine compound in at least one of the silver halide emulsion layer and the hydrophilic colloid layer and an nucleating agent within a range of 0 to 20 mg per 1 m2 of the photographic light-sensitive material, and wherein the amine compound has a distribution coefficient (log P) of 1 or more in a n-octanol/water system.

Abstract: A system has been disclosed for use in radiographic industrial non-destructive testing materials and personal monitoring, making use therefor, of tabular silver brom(oiod)ide emulsion grains having {111} major faces, an average equivalent circular diameter of at least 0.5 &mgr;m and an average thickness of less than 0.30 &mgr;m, having been chemically sensitized by the steps of adding at least a gold salt in order to provide the surface of said tabular grains with at least 6000 atoms of gold per &mgr;m2 of its grain surface and per (0.1 &mgr;m of thickness)2; and at least a sulfite salt in such an amount that the ratio of the number of gold atoms per &mgr;m2 and (concentration of said sulfite salt, expressed in mmole per mole of silver)2 is at least 200000.

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 silver halide color photographic light-sensitive material has a red-, green-, and blue-sensitive emulsion layer in this order from the side closest to a support.

Abstract: A method of processing a silver halide photographic material is disclosed, comprising on a support a light sensitive silver halide emulsion layer, wherein the light-sensitive layer contains a spectral-sensitizing dye represented by formula (1-a); a developer solution contains a developing agent represented by formula (A); and the replenishing rate of a processing solution is determined based on the proportion of an exposed area per unit area of the photographic material to perform replenishment.

Abstract: Disclosed are new color developing agents such as those shown below and their analogues: When the color developing agent is used, the color development is accelerated and the developed photosensitive material can be prevented from yellow stain during storage thereof.

Abstract: Equidensity images can be produced directly on high contrast, thin emulsion, fine grain, silver halide process films, such as Kodak Technical Pan Film (RTM), given instantaneous outdoor camera exposure. Photographic development of the film in an aqueous alkaline solution containing a halogen- substituted hydroquinone such as 2-chlorohydroquinone, or 2-bromohydroquinone as developing agent, and thiourea, or a mono N-substituted derivative such as 1-allyl-2-thiourea, as "chemical solarizer", followed by fixation, produces continuous tone violet-blue (negative) and brown to olive-black (positive) images having applicability in semi-abstract artistic photography and in scientific photography.

Abstract: The present invention concerns an organic/inorganic developer composition comprising a regeneratable iron chelate, novel codevelopers of the phenidone type including one or more solubilizing groups that are not directly attached to the phenyl nucleus or to the pyrazolidino nucleus and optionally ascorbic acid. These compositions are particularly useful for the black-and-white development of films or photographic papers, in particular for the fast development of radiographic products.

Abstract: A method for producing a planographic printing plate comprising the steps of: producing an original planographic printing plate which comprises a substrate, and a first layer and an ink-repellent layer having an ink-repellent surface in that order on said substrate, wherein the first layer converts laser light to heat and enables peeling of upper layers disposed on said first layer; exposing said original planographic printing plate by laser light; and rubbing the surface of said original planographic printing plate, which is the surface of said ink-repellent layer, with a rubbing member in the presence of an aqueous solution containing a nonionic surfactant to physically remove laser-exposed portions of said ink-repellent layer, thereby forming the planographic plate, is provided.

Abstract: The invention provides photographic element comprising a first light sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler, a second light sensitive silver halide emulsion layer having associated therewith a magenta dye-forming coupler, and a third light sensitive silver halide emulsion layer having associated therewith a yellow dye-forming coupler,wherein the normalized spectral transmission density distribution curve of the dye formed by the cyan coupler upon development with a p-phenylenediamine developer has a density between 0.7 and 0.78 at 600 nm and a density between 0.8 and 0.91 at 610 nm. Such an element enables an increase in the color gamut for imaging.

Abstract: An image forming process of a silver halide photographic material comprising a glass support having thereon a silver halide emulsion layer is disclosed, the process comprising exposing with laser beam spot with a diameter of 0.05 to 5 .mu.m and developing the exposed photographic material with a developer, wherein the silver halide emulsion layer contains silver halide grains having an average grain size of 0.08 to 0.2 .mu.m and a chloride content of at least 50 mol %; the developer containing a developing agent selected from hydroquinone and ascorbic acid, and a developing agent selected from p-methyl-aminophenol, 1-phenyl-3-pyrazolidone and 1-pheny-4-dimethyl-3-pyrazolidone; and the developed photographic material having a contrast of 4.8 to 12.

Abstract: There is disclosed novel color-developing agents of the formula (I). There is also disclosed silver halide photographic light-sensitive materials and image-forming methods, using the color-developing agent. The color-developing agent is excellent in color-forming property, and the image obtained from the color-developing agent is good in hue. ##STR1## wherein R.sub.1 to R.sub.4 each represent a group of nonmetal atoms required to form, together with the carbon atom, a monocyclic 5-membered aromatic ring or a 5-membered aromatic ring condensed with another ring, with the proviso that at least two of R.sub.1 to R.sub.4 are nitrogen atoms; and Z represents an acyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group, a sulfamoyl group, an amidino group, or an imidoyl group.

Abstract: The invention provides a novel magenta coupler of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are selected from H, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, alkylthio, carboxylic acid or ester, primary or secondary amido, sulphonamido, mono or disubstituted amino, alkoxy or aryloxy; andX is H or a group capable of being released on oxidative coupling with a colour coupler.These magenta couplers do not have secondary dye absorptions in the blue region of the spectrum which leads to a better colour reproduction and are readily and economically synthesized.

Abstract: A silver halide color photographic material is disclosed, comprising a support having thereon at least two light-sensitive silver halide emulsion layers, the lowermost light-sensitive silver halide emulsion layer and/or a light-insensitive layer adjacent thereto containing a compound represented by formula (D): ##STR1## wherein R.sup.1 and R.sup.2 each represents an alkyl group, an aryl group or a heterocyclic group, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represents a hydrogen atom, a halogen atom or a substituent connecting to the benzene ring through a carbon atom, an oxygen atom, a nitrogen atom or a sulfur atom, R.sup.1 and R.sup.2, R.sup.1 and R.sup.3, R.sup.3 and R.sup.4, R.sup.2 and R.sup.5 or R.sup.5 and R.sup.6 may be combined to form a ring, R.sup.7 represents a hydrogen atom or forms=(T).sub.m S together with -(T).sub.m S, T represents a timing group, m represents an integer of 0 to 3 and S represents a protective group eliminated at the development.

Abstract: A black and white photographic element comprising as a photosensitive medium a layer of a silver halide emulsion characterised in that the photosensitive medium comprises in the same layer or in an adjacent layer thereto a developer comprising a substantially non-diffusing polymeric compound having as a component part of its structure a plurality of units having a nucleus of general formula (I): ##STR1## wherein; each Z independently is a member selected from the group consisting of --OH and a group which leaves an --OH residue when contacted with an alkali (pH .gtoreq.10) at temperatures of .ltoreq.50.degree. C.

Abstract: There is disclosed a light-sensitive material comprising, in a hydrophilic colloid provided on a base, a color-developing agent represented by formula (I) or (II): ##STR1## wherein Z.sup.1 represents an acyl group, a carbamoyl group, an alkoxycarbonyl group, or an aryloxycarbonyl group; Z.sup.2 represents a carbamoyl group, an alkoxycarbonyl group, or an aryloxycarbonyl group; X.sup.1, X.sup.2, X.sup.3, X.sup.4, and X.sup.5 each represent a hydrogen atom or a substituent, provided that the sum of the Hammett substituent constant .sigma.p values of X.sup.1, X.sup.3, and X.sup.5 and the Hammett substituent constant .sigma.m values of X.sup.2 and X.sup.4 is 0.80 or more but 3.80 or below; and R.sup.3 represents a heterocyclic group. There is also disclosed a novel color-developing agent that can be built in. By using the color-developing agent, the light-sensitive material can attain a rapid and simple formation of an image.

Abstract: Disclosed are 4-(N,N-dialkylamino)aniline compounds having a 4-N substituent which is a polyethyleneoxy group and which forms a condensed ring with benzene ring, such as aniline compounds having the following structure, a processing composition containing such a compound and a method for forming a color image with the processing solution. The aniline compound is useful as a color developing agent capable of having a low fog density and sufficient yellow and cyan image densities and suitable for the rapid process.

Abstract: There is disclosed novel color-developing agents of the formula (I-1), (I-2), (1-3), or (1-4). There is also disclosed silver halide photographic light-sensitive materials and image-forming methods, using the color-developing agent. ##STR1## wherein R.sup.1 represents a halogen atom or an aliphatic group substituted with at least one halogen atom; R.sup.2 represents a substituent; L represents --CONR.sup.4 --, --COO--, --CO--, --SO.sub.2 NR--, --C(.dbd.NR.sup.4)NR.sup.5 --, or --C(.dbd.NR.sup.4)O--; R.sup.3, R.sup.4, and R.sup.5 each independently represent a hydrogen atom, an aliphatic, aryl, or hererocyclic group; in formula (I-1), n is 1 or 2, m is 0 or 1, and the sum of n and m is 1 or 2; in formulae (I-2) to (I-4), n is 1 to 3, m is 0 to 2, and the sum of n and m is 1 to 3. R.sup.1 and R.sup.2, R.sup.1 and R.sup.1, and R.sup.2 and R.sup.2, respectively, do not bond together to form any ring. R.sup.

Abstract: A photographic silver halide element, such as a radiographic film, can be developed using a black-and-white developing solution containing an ascorbic acid developing agent. This solution is replenished with a replenisher solution of basically the same components but the amounts may be greater. Moreover, the replenisher solution pH is from 0.1 and up to 0.3 pH units higher than that of the developing solution. Both developing and replenisher solutions are free of hydroquinone. Replenishment can be carried out at relatively low rates with less impact on the environment without sacrificing sensitometric performance.

Abstract: A method for forming a color image comprises the step of developing an image-wise exposed silver halide color photographic photosensitive material at the presence of the following color developing agent or its analogue. According to this method, the rapid process can be attained, forming an image having only a slight fog, sufficient yellow and cyan image densities and a high image fastness.

Abstract: By means of a development intensification process for processing color photographic silver halide materials, the silver halide emulsions of which contain more than 90 mol. % of AgCl and less than 0.8 g of silver halide per m.sup.2 (stated as the equivalent quantity of AgNO.sub.3), short processing times accompanied by stable replenishment rates are obtained if at least one compound of the formulae (I), (II) or (III) is used as the developer substance in a quantity of 0.002 to 0.04 mol/l of developer solution ##STR1## in which R.sub.1 to R.sub.3, R.sub.10 to R.sub.17, R.sub.21 to R.sub.23, m, n and Y have the meaning stated in the specification.

Abstract: A silver halide photographic material is disclosed which comprises a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains, a surface protective layer as an uppermost layer, and a hydrophilic colloid layer other than said at least one light-sensitive silver halide emulsion layer and said surface protective layer, wherein the sum of the silver amount contained in each of said at least one light-sensitive silver halide emulsion layer is from 0.8 g/m.sup.2 to 1.5 g/m.sup.

Abstract: A novel inorganic composition for developing silver halide photographic products has improved stability in air. The composition comprises at least one oxidizable metallic ion, ethylenediamine tetraacetic acid and at least one additional complexing agent of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are each independently a hydrogen atom, an alkyl group of 1 to 10 carbon atoms, a hydroxyl group, or a hydroxyalkyl group, R.sup.3 is --COOM wherein M is hydrogen or a counter-ion such as lithium, sodium or potassium, or --CONR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 are each independently a hydrogen atom, an alkyl group of 1 to 10 carbon atoms, and n, p and q are independently 1, 2 or 3.

Abstract: A dye image forming photographic element is disclosed containing at least one green or red sensitized silver halide emulsion layer containing a dye-forming coupler and silver halide grains. At least 50 percent of the projected area of the silver halide grains is accounted for by grains (a) containing greater than 50 mole percent chloride, based on silver, (b) having {100} major faces, (c) exhibiting a thickness of 0.2 .mu.m or less, (d) exhibiting a mean equivalent lent circular diameter in the range of from 3 to 6 .mu.m, and (e) including a core and a surrounding band containing a higher level of iodide ions than the core and up to 30 percent of the silver forming the grains. The photographic element exhibits a sensitivity of greater than 750, where sensitivity is measured as the reciprocal of the exposure in lux-seconds required to produce a density of 0.15 above fog when the photographic element is exposed to a 3000.degree. K.

Abstract: The present invention relates to a novel antireflective coating solution and a process for its use in photolithography. The antireflective coating solution comprises a novel polymer and an organic solvent or a mixture of organic solvents, where the novel polymer comprises a unit containing a dye that absorbs from about 180 nm to about 450 nm and a unit containing a crosslinking group.

Abstract: The present invention relates to a novel aqueous antireflective coating solution and a process for its use in photolithography. The antireflective coating solution comprises a novel polymer and water, where the novel polymer of the antireflective coating comprises at least one unit containing a dye that absorbs from about 180 nm to about 450 nm, at least one unit containing a crosslinking group and at least one unit derived from a hydrophilic vinyl monomer or a vinyl monomer capable of becoming hydrophilic.

Abstract: A method is provided for manufacturing a multicolor filter array element, firmly associated with a transparent electrode layer in a multicolor liquid crystal display device, comprising the steps of:(i) exposing a silver halide color photographic (print) material comprising a plurality of differently spectrally sensitive silver halide emulsion layers on a glass support, with a single step multicolor pixelwise exposure,(ii) color processing said exposed print material producing thereby in each silver halide emulsion layer a differently colored pixel pattern,(iii) coating said color processed print material at its silver halide emulsion layer assemblage side with a hydrophobic water-impermeable organic resin layer(iv) curing said organic resin layer by heating said layer at temperatures between 100.degree. C. and 250.degree. C.

Abstract: Negative images of super-high contrast can be formed by developing an exposed silver halide photographic photosensitive material in the presence of at least one compound selected from the compound of formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, R.sup.1 and R.sup.2, R.sup.3 and R.sup.4, R.sup.5 and R.sup.6, or R.sup.1 and R.sup.3, together with nitrogen atom to which they are attached, may form a ring; L.sup.1 and L.sup.2 independently represent an alkylene group, an arylene group or a repeated alkyleneoxy group having at least two repeated alkyleneoxy units, which groups may be optionally substituted; A represents an atom selected from hydrogen, carbon, nitrogen, oxygen and sulfur or a divalent linkage group constituted from these atoms; and m and n represent 0 or 1, and the compound of formula (2) ##STR2## wherein R.sup.7, R.sup.8 and R.sup.

Abstract: An image forming method is disclosed, comprising exposing a silver halide photographic material through a transparent, high definition-screening original and developing the photographic material with a developer to form a halftone dot image, wherein:the photographic material forms a halftone dot image having a dot area of 57% or less when exposed, through the transparent original comprising a halftone dot image having a dot area of 50%, in two times an amount that gives a halftone dot having a dot area of 50%; and the photographic material has a maximum density of 3.0 or more and a contrast of 8.0 or more;and wherein the photographic material is exposed to light having an emission peak at a wavelength of 360 to 450 nm and developed with a developer having a pH of 10.5 or less.

Abstract: A method for processing a silver halide photographic light-sensitive material by an automatic processor is disclosed. The processing method comprises the steps of (1) developing a silver halide photographic light-sensitive material with a developer being in a developing tank of said automatic processor while replenishing a developer replenisher in a rate of from 50 ml to 330 ml per square meter of the light-sensitive material processed and (2) fixing said developed silver halide photographic light-sensitive material with a fixer being in a fixing tank of said automatic processor while replenishing a fixer replenisher in a rate of from 50 ml to 330 ml per square meter of the light-sensitive material. The light-sensitive material comprises a support and at least one silver halide emulsion layer provided on a surface of a support which is a stretched film composed of a styrene copolymer having a syndiotactic structure or a composition containing said styrene copolymer.

Abstract: Disclosed are silver halide elements that contain an arylhydrazine compound useful in producing high contrast images. The elements can be handled in bright light room conditions for extended periods of time without increasing minimum density of the element.

Abstract: A process for forming a black-and-white high contrast negative photographic silver image by development of a silver halide photographic element with an aqueous alkaline photographic developer composition comprising a dihydroxybenzene developing agent, an auxiliary superadditive developing agent, an antifogging agent, an antioxidant compound, a combination of buffering agents and a sequestering agent, characterized by the fact that: a) the auxiliary developing agent is an aminophenol compound, b) the combination of buffering agents comprises at least a first buffering agent represented by carbonate compounds and at least a second buffering agent represented by phosphate compounds, the total amount of said first buffering agent and said second buffering agent being at least 35 grams per liter, band c) the pH of said aqueous alkaline photographic developer composition is in the range 9.0 to 11.0.

Abstract: A method is disclosed in converting silver halide to silver by use of a developer containing two compounds which can be titrated in a single potentiometric titration with silver nitrate and based on the titration an additional quantity of the two compounds are added to depleted developer.

Abstract: Yellowing of a processed photographic element is inhibited by incorporating a scavenger comound capable of reacting with magenta coupler, e.g. an epoxy compound, in a layer adjacent a layer containing the magenta coupler. In a preferred embodiment, the magenta coupler containing layer is sandwiched between layers containing the scavenger compound. Prior to processing 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 containing an external solubilizing agent for the scavenger compound, preferably benzyl alcohol.