Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, wherein the silver halide color photographic light-sensitive material contains a cyan dye forming coupler represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R.sub.2, R.sub.3, R.sub.4 and R.sub.

Abstract: Disclosed is a light-sensitive silver halide color photographic material comprising at least one light-sensitive layer, which is constituted of a plurality of silver halide emulsion layers having substantially the same color sensitiveness but being different in sensitivities and contains a dye image-forming coupler, provided by coating on a support, said material being constituted so as to satisfy at the same time the requirements that (a) said plurality of silver halide emulsion layers in said light-sensitive layer are provided by coating in the order from the support side a low sensitivity emulsion layer, medium sensitivity emulsion layer and high sensitivity emulsion layer, (b) a non-sensitive intermediate layer is provided by coating between said low sensitivity emulsion layer and said medium sensitivity emulsion layer, (c) the density of a dye image-forming coupler in said medium sensitivity emulsion layer is 10 to 60% of the density of a dye image forming coupler in said low sensitivity emulsion layer;

Abstract: A silver halide color photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer and a cyan dye forming coupler. The coupler is a compound represented by the general formula (I): ##STR1## wherein the substituents in the general formula (I) are as defined in the specification. The coupler has good solubility in an organic solvent having a high boiling point and a high dye forming rate even in a color developing solution which does not contain benzyl alcohol. Further, the coupler provides a cyan color image having a high maximum density and excellent fastness to light. Decreasing in optical density of the cyan color image is not substantially observed even when the color photographic light-sensitive material is processed with a bleaching solution which has a weak oxidation power or a bleaching solution which is exhausted.

Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having a photographic layer containing at least one magenta coupler represented by the following general formula (I) or (II): ##STR1##

Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having at least one layer containing at least one 2-equivalent magenta coupler of the 5-pyrazolone type represented by the following general formula (I): ##STR1## wherein W represents a phenyl group substituted with at least one substituent selected from the group consisting of a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group and a cyano group; Y represents an acylamino group or an anilino group; and Z represents a group capable of being released upon coupling, and at least one compound represented by the following general formula (II): ##STR2## wherein R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom, an alkyl group or an aryl group, provided that both R.sup.1 and R.sup.2 do not represent hydrogen atoms at the same time; Z.sup.

Abstract: A silver halide photographic emulsion is disclosed which contains at least one of benzimidazolocarbocyanine dyes represented by the general formula (I) or (II): ##STR1## wherein a represents an integer of 1 to 8, R.sub.1, R.sub.2 and which may be identical with or different from one another, represent each --CH.sub.2 (CF.sub.2).sub.b H or a substituted or unsubstituted alkyl group, but at least one of R.sub.1, R.sub.2 and R.sub.3 contains an acid group-containing alkyl group, wherein b, which may be identical with or different from a, represents an integer of 1 to 8, l represents 0 or an integer of 1 to 8, and m represents 0 or an integer of 1 to 8, but l+m>0; R.sub.4, R.sub.5 and R.sub.6, which may be identical or different from one another, represent each --(CH.sub.2).sub.j (CF.sub.2).sub.k F or a substituted or unsubstituted alkyl group, but at least one of R.sub.4, R.sub.5 and R.sub.6 represents an acid group (for example, sulfo group or carboxyl group, etc.

Abstract: A color reversal photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer, an organic compound and colloid grains of a metal or metal sulfide or silver halide grains the surface of which is previously fogged. The silver halide emulsion layer includes fine grains of silver halide particles having a particle size of 0.3.mu. or less. The fine grain particles are present in the emulsion in an amount in the range of about 30% to about 95% based on the total number of silver halide grains in the emulsion. The silver halide emulsion also includes coarse grains having a particle size of more than 0.3.mu.. The organic compound has a solubility product constant of 10.sup.-14 or less when forming a salt with a silver ion.

Abstract: A silver halide photographic light-sensitive material is disclosed which is comprised of a support base having thereon a light-sensitive silver halide emulsion layer and a light-insensitive layer. The material also includes an ultraviolet ray absorbing polymer latex and a fine grained silver halide having a diameter of 0.2 microns or less. The ultraviolet ray absorbing polymer latex is a polymer or copolymer having a repeating unit derived from a monomer represented by the general formula (I): ##STR1## the substituents are defined within the specification. By utilizing the polymer latex of general formula (I) the occurance of static marks is almost completely prevented without causing undesirable effects on other film properties.

Abstract: A silver halide color photographic light-sensitive material comprising a support having at least one silver halide emulsion layer thereon, said silver halide emulsion layer having a sensitivity to a certain spectral region and at least one of said silver halide emulsion layers comprising a plurality of different-speed light-sensitive layers wherein the difference in speed between the fastest-speed layer and the second fastest-speed layer of said plurality of light-sensitive layers, in terms of log I.multidot.t, is 0.2 to 0.7, and each of at least said fastest-speed and said second fastest-speed layers contains at least one monodispersed silver halide emulsion, said monodispersed emulsion being light-sensitive and consisting essentially of silver halide particles having a granularity distribution represented by the formulaS/r.ltoreq.0.

Abstract: Photographic diffusion transfer film units including polymeric diffusion control layers are disclosed. The diffusion control layers comprise polymers which are hydrolyzable in an alkaline medium so as to convert a layer comprising one or more of the polymers from a condition of impermeability to alkali or materials soluble in or solubilized by an aqueous alkaline processing composition to a condition of substantial permeability thereto.

Abstract: There is disclosed a light-sensitive silver halide photographic material having at least one light-sensitive layer constituted of a plural number of silver halide emulsions provided on a support, and a non-light-sensitive intermediate layer containing a diffusion resistant coupler capable of forming a migratable color forming dye or a compound capable of forming a flow-out type coupling product provided at least adjacent to the silver halide emulsion layer with the highest light sensitivity among the plural number of silver halide emulsion layers on its support side.The light-sensitive material according to this invention exhibits excellent photographic characteristics such as sensitivity, graininess, sharpness, storability and gradation.

Abstract: A process for forming color images, and a silver halide color photographic material for use in the process, are described, said process comprising processing with a developer containing hydroxylamine a silver halide color photographic material comprising a support having thereon at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, and at least one blue-sensitive silver halide emulsion layer, said blue-sensitive silver halide emulsion layer being disposed at a more upper portion than other color-sensitive silver halide emulsion layers, and said color photographic material further comprising (1) a light-insensitive layer containing at least one of a yellow colored magenta-dye-forming coupler and a yellow non-diffusible organic dye between the lowermost blue-sensitive silver halide emulsion layer and the uppermost layer of the other color-sensitive silver halide emulsion layers, and (2) a light-insensitive silver halide emulsion in any layer above sa

Abstract: Photographic elements and diffusion transfer assemblages are described wherein a sufficient amount of a reflecting agent, such as titanium dioxide, is employed in the yellow dye image-providing material layer so that the layer is an effective yellow filter layer for good color reproduction.

Abstract: A photographic element for a diffusion transfer process is described, comprising at least one support having thereon (1) a layer containing a dye-providing compound capable of releasing or forming a diffusible dye or a precursor thereof as a result of development, (2) a silver halide photographic emulsion layer which is in a complementary color relationship with the dye-providing compound, and (3) a substantially non-sensitive spacing layer between the layers (1) and (2) containing a solid pigment, a hydrophilic colloid, and a nondiffusible compound capable of undergoing a redox reaction with the oxidation product of a silver halide developing agent under an alkaline condition.

Abstract: A color photographic light-sensitive material comprising, on a reflective support, at least one light-sensitive silver halide emulsion layer containing a dye-forming coupler and a non-light-sensitive layer provided on the light-sensitive silver halide emulsion layer, located furthest from the reflective support, the non-light-sensitive layer containing:(a) a benzotriazole derivative represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 independently represent an alkyl, an alkoxy, an alkenyl, each alkyl, alkoxy, or alkenyl having not less than 4 carbon atoms, an aryl, or an aryloxy, said aryl and aryloxy each being substituted or unsubstituted and wherein R.sub.3 represents hydrogen, a halogen, an alkyl, an alkoxy, an alkenyl, each alkyl, alkoxy, or alkenyl having not less than 4 carbon atoms, an aryl, or an aryloxy; and(b) at least one compound having selected from the formulae (II) or (III): ##STR2## wherein R.sub.4 and R.sub.

Abstract: A silver halide light-sensitive material having a support and at least one silver halide emulsion is provided. The silver halide emulsion layer contains in combination at least one cyan coupler of Formula (I) and at least one cyan coupler of Formula (II).

Abstract: Photographic silver halide material containing a ballasted electron-donor precursor compound yielding by alkaline hydrolysis an electron-donor compound (ED-compound) capable (1) of donating electrons to an oxidized electron-accepting silver halide developing agent e.g. for scavenging it, said electron-donor precursor compound corresponding to the following general formula: ##STR1## wherein: R represents hydrogen or a substituent, e.g. an acyl group, which on hydrolytic removal allows the replacement of R by H,R.sup.1, R.sup.2 and R.sup.3 (same or different) are hydrocarbon substituents or R.sup.3 is H, andZ and Y represent the necessary atoms to close a benzene ring that may be substituted or form a fused ring system.

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, at least one of these silver halide emulsion layers containing a non-diffusible coupler which forms a properly smearing diffusible dye upon reaction with the oxidation product of a color developing agent together with a monodispersed silver halide emulsion. The silver halide color photographic light-sensitive material provides color images having not only an improved RMS granularity but also an improved visual sensation of graininess.

Abstract: A silver halide photographic material. A support contains at least one silver halide emulsion layer that has in combination at least one cyan coupler of Formula I with at least one dye image stabilizer of Formula II or III.

Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least two light-sensitive silver halide emulsion layers which are sensitive to light of substantially the same spectral region and a relatively light-insensitive layer containing silver halide, zinc oxide or titanium oxide positioned between the two light-sensitive silver halide emulsion layers and at least one of the two light-sensitive silver halide emulsion layers containing a compound represented by the following general formula (I):A--B (I)wherein A represents a residue of a compound capable of coupling with the oxidation product of an aromatic primary amine developing agent by removal of a hydrogen atom from the active position of the compound, and B represents a group which is released on coupling and exhibits a fogging function in a developing solution.

Abstract: A silver halide color photographic light-sensitive material is disclosed. The material is comprised of a support base having a plurality of silver halide emulsion layers positioned thereon. The material includes at least one silver halide emulsion layer having a particular sensitivity and color sensitivity, and a second silver halide emulsion layer having the same color sensitivity but having a greater sensitivity with respect to light, the second layer including a silver halide having a silver iodide content in the range of 9% by mol to 15% by mol. The material includes a DIR compound in a layer other than the second silver halide emulsion layer. The DIR compound releases a diffusible development inhibitor or precursor thereof by a coupling reaction. The resulting material has greatly improved granularity and sharpness.

Abstract: A photographic silver halide light-sensitive material is disclosed. The material is comprised of a support and a photographic layer or layers on the support. The photographic layer contains at least one of the compounds represented by the general formula: A--OCH.sub.2 --Z (wherein A is a group capable of undergoing cleavage on application of alkali hydrolysis, and Z is a photographically useful group containing a nitrogen atom through which it is linked to the group A--OCH.sub.2 --). The compounds, i.e., photographically useful group precursors, as used herein are stable during the storage of the raw film and can release the photographically useful group at a controlled speed during development.

Abstract: A color photographic silver halide light-sensitive material is described. The material contains a 5-pyrazolone magenta coupler represented by the general formula (I): ##STR1## (all the symbols are as defined in the appended claims). The compounds of the general formula (I) are novel couplers, and are chemically very stable and are particularly superior in two equivalency, sensitivity, and color density.

Abstract: Compounds of the formula I ##STR1## in which X is a group ##STR2## and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are monovalent organic radicals, at least one of which contains a sterically hindered phenol group and at least one of which contains a polyalkylpiperidine group, are outstanding light stabilizers for color-photographic recording materials. They also have a stabilizing action on the photo dyes and their precursors when stored in the dark.

Abstract: A silver halide photographic light-sensitive material which comprises a support having thereon a light-sensitive silver halide emulsion layer, wherein the photographic light-sensitive material contains a blocked photographic agent therein represented by formula (I): ##STR1## wherein A represents a photographic agent moiety which is bonded to a blocking moiety through a hetero atom or a group which is bonded to a blocking moiety through a hetero atom and capable of releasing a photographic agent upon a subsequent reaction after the group is released; Y represents a hydrogen atom or a substituent; and Z represents an atomic group necessary to form a carbocyclic ring or a heterocyclic ring.The precursor of photographic agent is completely stable during the preservation of the photographic light-sensitive material and releases a photographic agent at a desired time upon the processing of the photographic light-sensitive material.

Abstract: A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, one intermediate layer and/or one protective layer, contains, as a stabilizer, at least one polyalkylpiperidine compound of the formula I or II ##STR1## in which m is the numbers 1 or 2 and, if m=1, A is a group of the formula ##STR2## and, if m=2, A is a group of the formula ##STR3## Color images which are obtained by image-wise exposure and development of this color-photographic recording material, display good stability towards the action of visible and ultraviolet light.Reference is made to the description in respect of the meanings of the substituents and symbols in the formulae I and II.

Abstract: A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, an interlayer and/or a protective layer, contains a stabilizer mixture comprising(i) a compound with at least one group of the formula ##STR1## or a polymer with recurring structural units of the formula I, and (ii) a phenolic antioxidant.Color images obtained by imagewise exposure and development of this color-photographic recording material show good stability to the action of visible and ultraviolet light.With respect to the definitions of the substituents in formula I, reference is made to the description.

Abstract: A color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing therein a coupler represented by the following general formula (I):Q-B (I)wherein Q represents a coupler residue capable of forming a magenta color image upon the coupling reaction with an oxidation product of a developing agent; and B represents a group containing an unsubstituted or substituted methylenedioxybenzene group.The magenta coupler containing a methylenedioxybenzene group is useful in preventing the formation of yellow stain due to light irradiation in unexposed areas of a color photographic light-sensitive material after color development processing. Color images formed from the coupler are resistant to fading even if the color images obtained after color development processing are irradiated with light.

Abstract: A silver halide color photographic material is disclosed. The material is comprised of a support base having provided thereon a fine grain silver halide emulsion layer and, positioned adjacent to the fine grain silver halide emulsion layer, a silver halide emulsion layer containing a coupler. The coupler is a phenolic cyan coupler substituted at the 5-position with an acylamino group and at the 2-position with an ureido group. The material has high sensitivity and good granularity. The material produces an image which has excellent fastness to light and heat.

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer is described, the color photographic light-sensitive material containing a coupler having at the coupling position thereof a group represented by formula (I) ##STR1## wherein Z represents an oxygen atom or a sulfur atom; R.sub.1 and R.sub.2 each represents a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, a cyano group, a nitro group, a hydroxy group, a carboxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylsulfonamido group, an arylsulfonamido group, an alkylsulfamoyl group, an arylsulfamoyl group, an acylamino group, an amino group, an alkylcarbamoyl group, an arylcarbamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylcarbonyl group or an arylcarbonyl group; X.sub.

Abstract: A silver halide photographic emulsion containing a particular combination of dyes is described which prevents aggravated fogging of the emulsion under the influence of high temperature or the combination of high temperature and high humidity, and minimizes the degradation of sensitivity of the emulsion thus providing an emulsion of high stability to withstand the adverse effects of aging.

Abstract: High aspect ratio tabular grain direct reversal silver halide emulsions are disclosed. The emulsions can be incorporated in photographic elements, such as multicolor photographic elements. Image transfer film units incorporating these direct reversal emulsions are specifically disclosed.

Abstract: A silver halide photographic material having formed on a support two or more layers that have different light sensitivities but have substantially the same color sensitivity is disclosed. In the material, the layer having the highest light sensitivity contains only a compound of formula (I) as a DIR compound and at least one of the remaining layers contains at least one compound of formula (II) as a DIR compound:A--TIME--Z (I)A--Z (II)wherein A is a coupling component capable of reaction with the oxidized product of a color developing agent to release the group TIME--Z (wherein TIME represents a timing group and Z represents a development retarder). The photographic material has improved sharpness and granularity and wide latitude for exposure.

Abstract: A silver halide photographic light-sensitive material which comprises a light-sensitive silver halide emulsion layer having associated therewith a blocked photographic agent, said blocked photographic agent being represented by the following general formula (I): ##STR1## wherein A represents a photographic agent moiety which is attached to a blocking moiety through a hetero atom; Z represents a divalent linkage group; p represents 0 or 1; X and Y each represents a substituent: m represents an integer of 0 to 4: and n represents an integer of 0 to 5.

Abstract: A silver halide color reversal photographic material comprising a backing layer containing both gelatin of an isoelectric point of 5.5 or more and a cationic polymer is disclosed. By utilizing the particular backing layer the color reversal photographic material has increased retouchability.

Abstract: A silver halide color photographic light-sensitive material comprised of a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex is disclosed. The cyan color image forming polymer coupler latex is comprised of at least one repeating unit capable of forming a dye upon coupling with an oxidation product of an aromatic primary amine developing agent represented by the general formula (Ia) and at least one repeating unit represented by the general formula (II): ##STR1## the substituents within the general formulae are disclosed within the specification. The cyan color image forming polymer coupler latex has excellent color forming properties and the silver halide color photographic light-sensitive material which contains the latex provides a photograph in which the occurrence of color stain due to light is substantially prevented. A method of forming a color image using the silver halide color photographic light-sensitive material is also described.

Abstract: Silver halide photographic elements comprising a support on which there is spread a plurality of photosensitive layers of gelatin incorporating silver halides and containing coupling agents, and further being associatd with auxiliary gelatin layers tend to suffer from brittleness. An improved element comprises, spread over said support and under said plurality of photosensitive layers, a layer of gelatin in which there is dispersed a fragility reducing quantity of droplets of a water-immiscible high boiling organic solvent, and an adhesion promoting quantity of a vinyl addition polymer latex.

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing a cyan color image forming polymer coupler latex capable of forming a dye upon coupling with an oxidation product of an artomatic primary amine developing agent wherein the cyan color image forming polymer coupler latex contains at least one repeating unit represented by the general formula (I) described below and at least one repeating unit represented by the general formula (II) described below. ##STR1## wherein R.sub.1 represents a hydrogen atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; and Q represents a cyan coupler residue capable of forming a dye upon coupling with an oxidized aromatic primary amine developing agent, ##STR2## wherein R.sub.2 represents a hydrogen atom, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; and R.sub.3 and R.sub.

Abstract: A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support having thereon a red-sensitive silver halide photographic emulsion layer comprising a tetramethine melocyanine dye represented by the general formula (I) and a compound represented by the general formula (II) ##STR1## the substituents within these structural formulae are defined within the specification. The material gives improved results with respect to preventing diffuse sensitization. The material also provides a red-sensitive silver halide photographic emulsion in which a decline of spectro-sensitivity in the lapse of dissolution is relatively small and which has a small amount of dye fog.

Abstract: The invention relates to multi-layered color photosensitive materials having a support, a red photosensitive silver halide emulsion layer containing a non-diffusible cyan coupler, a green photosensitive silver halide emulsion layer containing a non-diffusible yellow coupler and a blue photosensitive silver halide emulsion layer containing a non-diffusible magenta coupler coated on a support in the order recited and wherein the green photosensitive emulsion layer contains a compound capable of reacting with an oxidized color developing agent to release a development inhibiting substance.

Abstract: A silver halide color photographic material in which the photographic characteristics do not deteriorate when contacted with formaldehyde.

Abstract: In a silver halide color photographic material is disclosed. The material is comprised of a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a red-sensitive silver halide emulsion layer. The granularity of the material is improved by incorporating a non-diffusible coupler capable of forming a properly smearing diffusible dye by causing a reaction with the oxidation product of a color developing agent and a colorless competing compound capable of capturing the oxidation product of a color developing agent in at least one of the foregoing silver halide emulsion layers.

Abstract: A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having at least one layer containing at least one kind of 5-pyrazolone type 2-equivalent magenta coupler represented by the following general formula (Ia): ##STR1## wherein W represents phenyl substituted with at least one halogen, alkyl, alkoxy, alkoxycarbonyl or cyano; Y represents acylamino or anilino; and Z represents aryloxy, alkoxy, heterocyclic oxy, alkylthio, arylthio, heterocyclic thio, acylthio, acylamino, sulfonamido, alkoxycarbonylamino, aryloxycarbonylamino or nitrogen containing heterocyclic ring which is bonded to the active position of the pyrazolone ring through the nitrogen atom, and at least one kind of compound represented by the following general formula (II): ##STR2## wherein R.sub.1 represents substituted or unsubstituted alkyl, aralkyl, cycloalkyl or alkenyl; R.sub.

Abstract: This invention is concerned with producing color images of improved quality in photographic processes employing silver ion assisted cleavage reactions to provide a dye image by scavenging, i.e., rendering inert substantially all of the silver ion and/or soluble silver complex in the photographic system when image formation is substantially complete.

Abstract: A method of forming a photographic azo or azamethine dye image in an exposed photographic silver halide element, the method of comprising the steps of (a) developing the imagewise exposed material to form an imagewise pattern of oxidized color developing agent, (b) reacting the oxidized color developing agent with a color coupler to produce an image dye, characterized in that at least one of the color developing agent and the color coupler possesses a metal chelating site such that the image dye is capable of forming a bi-, tri- or higher-dentate metallized dye, and (c) contacting the image dye with polyvalent metal ions to form a metallized dye image. Specified color developing agents include heterocyclic substituted hydrazides and specified couplers include benziso-oxazolones and 2H-pyrazolo-[3,4-b]pyridines in addition to more conventional compounds.

Abstract: There is disclosed a photosensitive silver halide color photographic material comprising a support having on one side thereof, an antihalation layer, a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a blue-sensitive silver halide emulsion layer wherein each of said silver halide emulsion layers contains a non-diffusable coupler. The other surface of the support has thereon a dye-containing backing layer. The antihalation layer contains no more than 0.2 g/m.sup.2 of silver and the total amount of silver contained in the silver halide emulsion layers is at least 7.0 g/m.sup.2.

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, the color photographic light-sensitive material containing a cyan dye forming coupler represented by the following general formula (I): ##STR1## wherein R represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a heterocyclic group; X represents a hydrogen atom or a group capable of being released upon an oxidative coupling reaction with a developing agent; R.sup.1 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group.

Abstract: A silver halide photographic light-sensitive material containing a diffusion resistant coupler, a light-sensitive silver halide and at least one compound represented by the following general formula (I) in the same layer or different layers on a support. ##STR1## Wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, or R.sub.1 and R.sub.2 may be bonded to each other to form a heterocyclic ring together with the nitrogen atom; R.sub.3, R.sub.4, R.sub.5 and R.sub.6, which may be the same or different, each represents a hydrogen atom, a halogen atom, a hydroxy group, an amino group, an alkoxy group, an acylamido group, a sulfonamido group, an alkylsulfonamido group or an alkyl group, or R.sub.1 and R.sub.6 or R.sub.2 and R.sub.3 may be bonded to each other to form a 5-membered or 6-membered ring; X represents HPF.sub.6 or HBF.sub.4 ; and n represents an integer from 1 to 3.

Abstract: Photographic elements intended to generate dye images containing at least one colloidal silver layer and at least one hydroquinone antistain agent have been observed to suffer from random fog spotting, which can be reduced by incorporating a catalyst for the decomposition of hydrogen peroxide. The imagewise exposed elements when photographically processed and bleached of silver produce viewable dye images.

Abstract: A color photographic material having a light-sensitive silver halide emulsion layer containing a DIR compound having an amino group and a DIR compound having no amino group.