Abstract: A silver halide color photographic light-sensitive material comprising a support having formed thereon at least one red-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one blue-sensitive emulsion layer is disclosed. The material contains a novel combination of cyan, magenta, and yellow couplers and has improved color forming properties, color reproducibility, and image preservability.

Abstract: Disclosed is a light-sensitive silver halide color photographic material in which a DIR compound capable of releasing a diffusible development inhibitor or precursor thereof by the reaction with an oxidized form of a color developing agent is employed in combination with a non-diffusible dye and which sastisfies Condition A and B recited in the specification.By using the color light-sensitive material according to the present invention, the sharpness, particularly the edge effect (including the fringe effect and the border effect) of a photographic image has been greatly improved.

Abstract: 2-equivalent magenta couplers with improved properties corresponding to the formula ##STR1## wherein X denotes O, S or NR.sub.9,R.sub.1 denotes hydrogen, halogen or alkoxy,R.sub.2 denotes halogen, alkoxy, acylamino, alkoxycarbonyl, aminocarbonyl which may be substituted on the nitrogen or aminosulphonyl which may be substituted on the nitrogen,R.sub.3 denotes hydrogen, halogen, alkoxy, alkyl, acylamino or alkoxycarbonyl,R.sub.4 denotes hydrogen or alkyl,R.sub.5 denotes a substituent having electron donor properties,R.sub.6 and R.sub.7 denote alkyl, acyl or sulphonyl,R.sub.8 denotes a substituent having electron acceptor properties,R.sub.9 denotes hydrogen or alkyl,m has a value from 1 to 5,n and o each have the value 0, 1 or 2 andp and q each have the value 0 or 1and the sum of p and q is 1 or 2.

Abstract: A quick desilvering process of silver halide color photographic materials is provided, wherein the total amount of coated silver is 5.2 g/m.sup.2 or less, an average iodide content in the whole light-sensitive silver halide grains is 5.5 mol % or less; and a 2-equivalent magenta polymer coupler is included as a magenta coupler, and bleach-fixing treatment, or bleaching treatment at a pH of 5.5 or less, or desilvering treatment in the presence of a specific desilvering accelerator is carried out. Silver halide color photographic materials which permit the quick desilvering are also provided. These contain a specific desilvering accelerator.

Abstract: There is provided a silver halide color photographic material containing a 6-hydroxychroman derivative in, combination with a specific coupler, i.e., a 5-pyrazolone type magenta coupler having an --SR group at the coupling position or a 5-pyrazolone type magenta coupler having an anilino group at the 3-position. The photosensitive material provides photographic images, quality of which is prevented from deteriorating as time passes. The photographic color images are free from discoloration or fading and do not form yellow stains on a white background.

Abstract: A silver halide color photographic material having improved granularity and sharpness is disclosed which comprises at least one coupler represented by formula (Ia), (Ib), or (Ic). ##STR1## wherein A represents a coupler residue which can split away from the coupler by A--X bond cleavage upon reaction with an oxidation product of a developing agent; X represents an oxygen atom, or a sulfur atom; R.sub.1 and R.sub.2 each represents an aliphatic group, an aromatic group, or a heterocyclic group; Y represents a substituent group; and n represents 0, 1, or 2, and when n is 2, the two Y's represent the same or different substituent groups, or two of substituents R.sub.1, R.sub.2 and Y represent divalent groups that combine with each other to form a ring structure.

Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, said color photographic material containing a compound capable of releasing a group upon reaction with an oxidation product of a developing agent, the resulting group is oxidized and undergoes a ring cleavage reaction whereby a photograhically useful group is cleaved.The compound used in the present invention is capable of releasing a photograhically useful group through at least a two-step reaction, and the amount of the photographically useful group released is controlled depending on a concentration of the oxidation product of a developing agent. The silver halide color photographic material containing the compound either provides a color image having good image qualities such as sharpness, graininess, and color reproducibility, etc., or exhibits high sensitivity.

Abstract: A silver halide color light-sensitive material is described, which is increased in sensitivity, is adapted to form an image of high contrast, or is accelerated in development by incorporating a small amount of a specific compound which imagewise releases a foggant or a development accelerator. This compound is represented by the formula: Coup-(TIME).sub.n -FA (wherein Coup represents a coupler radical capable of undergoing a coupling reaction with an oxidized product of an aromatic primary amine developing agent; TIME represents a timing group which is eliminated from Coup by the coupling reaction and, thereafter, releases FA; n is 0 or 1; and FA represents a group which is eliminated from Coup in the coupling reaction when n is 0, whereas FA is released from TIME when n is 1. The FA has adsorption properties with respect to silver halide grains and also has a substantial fogging action with respect to the silver halide grains).

Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein the photographic light-sensitive material has a layer containing both a non-diffusible coupler which forms a properly smearing diffusible dye upon reaction with the oxidation product of a color developing agent and a silver halide emulsion in which a diameter corresponding to the projected area of grains that takes 40% or more of the projected area of whole silver halide grains is 1.5 .mu.m or more.The silver halide photographic light-sensitive material has improved graininess as well as has high sensitivity.

Abstract: There is disclosed a light-sensitive silver halide color photographic material having red-sensitive, green-sensitive and blue-sensitive emulsion layers, each layer consisting of two or more layers with different sensitivities on a support, wherein the layers are constituted so as to satisfy the following requirements (A), (B), (C) and (D):(A) of the respective emulsion layers having the highest sensitivities among the the red-sensitive, green-sensitive and blue-sensitive emulsion layers, the highest sensitivity blue-sensitive emulsion layer is provided on the side farthest from the support;(B) at least the the highest sensitivity red-sensitive emulsion layer and the highest sensitivity green-sensitive emulsion layer are provided between the the highest blue-sensitive emulsion layer and a blue-sensitive emulsion layer with lower sensitivity;(C) none of the respective red-sensitive, green-sensitive and blue-sensitive emulsion layers having the lowest sensitivities exists on the side farther than the low sensiti

Abstract: A silver halide color photographic material comprising a support having provided thereon at least one silver halide emulsion layer, wherein the photographic material contains a compound having a dye portion in which the maximum absorption wavelength is shifted by a bond that is cleaved upon reaction with an oxidation product of a developing agent and is capable of forming a diffusion resistant compound having a dye portion possessing the maximum absorption wavelength which is not shifted as a result of the reaction with an oxidation product of a developing agent.By the use of the compound which permits a large degree of freedom with respect to selection of the dye for forming a color image according to the present invention, the color photographic material has an excellent image quality, and a good fastness of image or a high sensitivity.

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein the photographic light-sensitive material has a layer containing both a non-diffusible coupler capable of producing a dye of such mobilitly that controlled image smearing occurs upon reaction with the oxidation product of a color developing agent and a silver halide emulsion in which silver halide grains containing at least about 8 mol % of silver iodide grains account for at least about 40% by weight of the total silver halide grains in the emulsion. The silver halide color photographic light-sensitive material has improved RMS graininess as well as improved visual graininess.

Abstract: A silver halide color photographic material is described, comprising a support having thereon at least a light-sensitive silver halide and a coupler represented by the general formula: A-RED-P, wherein A is a coupler residue capable of cleaving RED-P on reacting with an oxidized color developing agent, P is a group capable of releasing RED after cleavage of RED-P from A, and RED is a group capable of undergoing an oxidation reduction reaction with the oxidized color developing agent only after the cleavage of A and P. This material is greatly improved in sharpness and graininess.

Abstract: A silver halide photographic material is described comprising at least one layer which contains at least(1) a polymer comprising as constitutional components thereof a repeating unit having a photographically useful group and at least one repeating unit having a sulfinic acid group or a sulfinate group, and(2) a compound having at least one functional group capable of reacting with at least one of a sulfinic acid group and sulfinate group and at least one functional group capable of reacting with at least one of a sulfinic acid group, a sulfinate group and a primary amino group.Said photographic group-containing polymer (1) may be fixed in a photographic layer according to the present photographic material, and does not substantially migrate therefrom during development or other photographic treatment, thus resulting in formation of color images of high density.

Abstract: Disclosed is a silver halide photographic material containing at least one layer of silver halide emulsion layers on a support characterized in that at least one layer of said silver halide emulsion layers contains mono-dispersed silver halide grains formed with (100) face and (111) face and said silver halide emulsion layer is hardened with at least one of the hardening agents represented by the formula [I] shown below and/or at least one of the hardening agents represented by the formula [II] shown below, ##STR1## wherein R.sub.1 represents a chlorine atom, a hydroxy group, an alkyl group, an alkoxy group, an alkylthio group, --OM group (M is a monovalent metal atom), --NR'R" (R' and R" are a hydrogen atom, an alkyl group or an aryl group, respectively) or --NHCOR"' (R"' is a hydrogen atom, an alkyl group or an aryl group) and R.sub.2 has the same meanings as R.sub.1 except for a chlorine atom, ##STR2## wherein R.sub.3, R.sub.3 ', R.sub.4 and R.sub.

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 compound capable of releasing a group represented by the general formula (I) described below upon the reaction with the oxidation product of a developing agent: ##STR1## wherein W represents an oxygen atom, a sulfur atom or a group ##STR2## (wherein R represents a hydrogen atom or an organic residue); X represents an electron withdrawing substituent; Y represents a hydrogen atom or a substituent; PUG represents a photographically useful group or a precursor thereof; X and Y each represents a divalent group and may be connected to each other to form a cyclic structure; and when W represents the group ##STR3## and R represents an organic residue, R and X or R and Y each represents a divalent group and may be connected to each other to form a cyclic structure.

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer and a compound represented by the following general formula (I): ##STR1## wherein COUP represents a coupler residue capable of being subjected to a coupling reaction with an oxidation product of an aromatic primary amine developing agent; TIME represents a timing group which is released upon the coupling reaction and subsequently releases ##STR2## Z represents a monocyclic or condensed heterocyclic ring consisting of a nitrogen atom and a carbon atom; L represents a divalent linking group; R.sup.1 represents a hydrogen atom or an alkoxycarbonyl group; R.sup.2 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an acyl group, a sulfonyl group, an alkoxycarbonyl group, a carbamoyl group, a sulfamoyl group, a thioacyl group or a thiocarbamoyl group; R.sup.3 represents a hydrogen atom; R.sup.2 and R.sup.

Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer and containing, in a silver halide emulsion layer having an average iodide content of about 8 mol % or more, a compound capable of releasing a fogging agent or a precursor thereof, or of releasing a development accelerator or a precursor thereof upon development in proportion to the amount of developed silver.

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 coupler which releases a compound after the coupling reaction with the oxidation product of a developing agent, the released compound being capable of releasing further a photographically useful group by an oxidation-reduction reaction with the oxidation product of another developing agent. The compound used in the present invention is chemically stable and can release a photographically useful group under control; therefore the silver halide color photographic light-sensitive material containing the compound has good stability during storage and high sensitivity and provides a color image having good image qualities such as sharpness, graininess, color reproducibility, etc.

Abstract: A silver halide photographic light-sensitive material having a support with at least one silver halide emulsion layer is provided. The silver halide emulsion layer containing in combination at least one yellow dye image-forming coupler of Formula I and at least one high-boiling organic solvent of Formula II to reduce the light discoloration of a yellow dye image.

Abstract: A heat-developable light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion and an acid precursor having a structural moiety represented by the following formula (I) bonded to carbon atoms: ##STR1## The acid precursor is extremely stable at room temperature but when it is heated above a certain temperature, and the development proceeds to the desired appropriate condition, it releases an acid to neutralize a base, whereby the development is stopped. A heat-developable light-sensitive material containing the acid precursor provides color images having a high S/N ratio and a high image density.

Abstract: Compounds of the formula ##STR1## where Y is a tertiary group, X is hydrogen or a leaving group, and Q is hydrogen, amidino, alkyl or aryl, there being present in Y or Q a ballasting group which comprises 10 to 30 carbon atoms, exhibit a high secondary absorption in the blue region of the visible spectrum and are useful couplers in chromogenic monochrome negative material.

Abstract: A silver halide photographic emulsion comprising silver halide, binder, and sensitizing dyes of formulas (I), (II), (III): ##STR1## R.sub.1, R.sub.2 represent substituted or unsubstituted alkyl, one of R.sub.1 and R.sub.2 being sulfoalkyl or carboxyalkyl; R represents alkyl or aralkyl; W.sub.1, W.sub.2, W.sub.3, W.sub.4, being the same or different, represent hydrogen, halogen, aryl, alkyl, substituted alkyl, alkoxy, alkoxycarbonyl, carboxy, or hydroxy, provided W.sub.1 and W.sub.2 are not both a phenyl; X.sup..crclbar. represents an acid anion; n represents 1 or 2, n being 1 when the dye forms an intramolecular salt; ##STR2## R.sub.4, R.sub.5 represent substituted or unsubstituted alkyl; at least one of R.sub.4 and R.sub.5 being sulfoalkyl or carboxyalkyl; R.sub.3 represents ethyl, propyl, or aralkyl; V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, V.sub.

Abstract: A silver halide color photographic light-sensitive material whose magenta dye-forming layer forms a magenta dye image having an absorption maximum from 550 nm to 560 nm and an advantageous absorption spectrum for color reproduction is provided by a silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein the at least one silver halide emulsion layer contains a 1H-pyrazolo[3,2-C]-s-triazole-type magenta coupler, and the above silver halide emulsion layer containing the magenta coupler and/or a silver halide emulsion layer having substantially the same color sensitivity as does the above silver halide emulsion layer containing the magenta coupler contains a pyrazolone-type magenta coupler.

Abstract: A silver halide color photographic light-sensitive material is described, 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 kind of magenta coupler of 5-pyrazolone type having an arylthio group at the coupling position thereof, the arylthio group having an alkoxy group or an aryloxy group at the ortho position to the sulfur atom thereof and the alkoxy group and the aryloxy group being substituted with a cyano group, a halogen atom, a sulfonyl group, a sulfinyl group, a phosphonyl group, or an ##STR1## group, wherein A represents a chemical bond, an alkylene group, an arylene group, an oxygen atom, a sulfur atom, or an imino group; and B represents a hydroxy group, an alkoxy group, an aryloxy group, a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an acyclic amino group, or a hydrazino group.

Abstract: A color image forming process which comprises developing a silver halide photographic material using an aromatic primary amine developing agent in the presence of a blocked magenta image forming coupler represented by the following general formula (I): ##STR1## wherein R represents a hydrogen atom or a substituent; X represents a hydrogen atom, a halogen atom, a carboxy group or a coupling releasable group; Cp represents a coupling block group capable of forming a colorless or alkali-soluble product by reaction with the oxidation product of a color developing agent; A represents ##STR2## when Cp is bonded and --N.dbd. when Cp is not bonded; B and E each represents ##STR3## when Cp is bonded and --N.dbd. or ##STR4## when Cp is not bonded; D represents --N.dbd.

Abstract: A heat-developable color light-sensitive material comprising a support having thereon at least: (1) a light-sensitive silver-halide, (2) a coupler capable of coupling with an oxidation product of a developing agent, (3) a hydrophilic binder, and (4) at least one compound represented by the following general formula (Z): ##STR1## the substituents A, R.sub.1, R.sub.2 R.sub.3, R.sub.4, X and R.sub.5 are defined herein.The heat-developable color light-sensitive material containing the developing agent or the precursor thereof represented by the general formula (Z) which is excellent in stability during storage, silver developing property and coupling property has good preservability and can provide color images having a high S/N ratio and a high image density.

Abstract: A color photographic silver halide light-sensitive material is described, characterized by containing at least one of the compounds represented by the general formula (I) and their precursors. ##STR1## wherein R represents ##STR2## (wherein R.sub.1 and R.sub.2 are each a hydrogen atom or an alkyl group and may combine with R.sub.3 to form a ring having 5 to 10 carbon atoms, provided that R.sub.1 and R.sub.2 are not hydrogen atoms at the same time, R.sub.3 is a substituted or unsubstituted aryl group, and n is an integer of 1 to 4), and R' has 1 to 20 carbon atoms and represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituent defined by R as defined above). This light-sensitive material provides color images which are stabilized, i.e., freed of fading and the discoloration of the white ground.

Abstract: A silver halide color photographic light-sensitive material is disclosed, comprising a support having thereon at least one silver halide emulsion layer, wherein at least one silver halide emulsion layer contains a coupler which is subjected to a coupling reaction with an oxidation product of a color developing agent to produce a diffusible coupling product which exerts a fogging effect in a developing solution; the silver halide color photographic light-sensitive material provides increased contrast and sensitivity, development is accelerated, and stability during storage is improved.

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 2-equivalent 5-pyrazolone type magenta coupler represented by the general formula (I) described below and an amount of a calcium atom contained in the color photographic light-sensitive material being up to 10 mg/m.sup.2. ##STR1## wherein W represents an aryl group; X represents an aliphatic group, an aryl group or a heterocyclic group; and Y represents an acylamino group, a ureido group or an anilino group.The silver halide color photographic light-sensitive material containing the 2-equivalent 5-pyrazolone magenta coupler and the restricted amount of the calcium atom exhibits photographic properties which are not influenced by variations in the pH of the color developing bath and can provide color images fast to light and heat.

Abstract: Colored, reflection-viewed images having improved stability to light, heat and moisture and improved storage stability while retaining the original color character thereof are produced using color photographic recording materials containing, on a light-reflecting layer support, a red-sensitive, a green-sensitive and a blue-sensitive silver halide emulsion layer, each with spectrally associated color coupler, the yellow coupler being a 2-equivalent yellow coupler derived from pivaloyl acetanilide, the magenta coupler a 3-anilinopyrazolone coupler and the cyan coupler a coupler corresponding to the following general formula (I): ##STR1## wherein R.sup.1 represents H or halogen;R.sup.2 represents alkyl having at least 2 carbon atoms;R.sup.3 represents H or alkyl having up to 5 carbon atoms;R.sup.4 represents acyl; andX.sup.1 represents H or a group releasable in the process of color coupling.

Abstract: A silver halide color photographic light-sensitive material is disclosed. The material is comprised of a support having two layers thereon. One layer is comprised of a silver halide emulsion layer containing a non-diffusible coupler which couples with an oxidation product of a developing agent during development processing to form a dye of such mobility that controlled image smearing occurs. The other layer is comprised of a silver halide emulsion layer containing a polymer coupler latex which is adjacent to the emulsion layer containing the dye diffusion type coupler. By utilizing the silver halide color photographic light-sensitive material as disclosed within the application it is possible to obtain improved results with respect to the graininess and sharpness of the images produced with the material without having bad effects on other photographic properties of the material.

Abstract: A silver halide color photographic light-sensitive material comprising a support having at least one silver halide emulsion layer in which there is provided a polymer coupler and a compound of the formulaAr--O--RO).sub.p H [I]wherein Ar is an aryl group, R is an alkylene group, and p is an integer from to 1 to 3.

Abstract: A silver halide color photographic light-sensitive material containing a magenta dye-forming polymeric coupler.

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 two distinct types of couplers. One coupler is a diffusing dye-forming coupler which can form a dye capable of having moderate diffusibility in an emulsion layer through coupling with an oxidation product of a color developing agent. The other coupler is a high reaction rate coupler which can form a dye of the same color as that of the diffusing dye-forming coupler and that, has a coupling speed higher than that of the diffusing dye-forming coupler by a factor of 1.3 to 15. By utilizing the two types of couplers in combination with each other the resulting material can provide images with improved graininess over the entire density region of the dye image.

Abstract: A silver halide color photographic light-sensitive material is described, comprising a coupler represented by formula (I): ##STR1## wherein A represents the residue of a coupler, R.sub.1 represents an alkyl group having from 4 to 15 carbon atoms, R.sub.2 represents an alkyl group having from 1 to 20 carbon atoms, with the total number of carbon atoms of R.sub.1 and R.sub.2 being from 8 to 27.

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: Precursor compounds from which photographically-active compounds are released with a time delay correspond to the following general formula ##STR1## wherein A represents the residue of a compound which undergoes oxidative coupling;X represents --O--, --S-- or --NR.sup.1 --;Y represents a releasable group which may consist of or contain the residue of a photographically-active compound; andR represents a group for controlling the kinetics of release.Advantageous pictorial properties (inter-image effect, edge effect, modulation transfer function) are obtained with compounds according to the present invention if the photographically-active residue is the residue of a development inhibitor.

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 photographic element comprising a support having thereon a layer containing a dye that is formed by the reaction of an anilino-type magenta coupler with the oxidized product of a color developing agent, the said layer comprising an organic solvent having a dielectric constant of not more than 6.5 and at least one of metallic complexes having the following Formula [I], Formula [II] or Formula [III]: ##STR1## In Formulas [I], [II] and [III], M is a nickel atom, copper atom, cobalt atom, palladium atom or platinum atom; X.sub.1 and X.sub.2 each is an oxygen atom, sulfur atom or --NR.sub.5 -- (wherein R.sub.5 is a hydrogen atom, an alkyl, aryl or hydroxyl radical); X.sub.3 is a hydroxyl or mercapto radical; Y is an oxygen atom or sulfur atom; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each is a hydrogen atom or a halogen atom or a cyano radical, or an alkyl, aryl, cycloalkyl or heterocyclic radical which each is bonded directly or through a divalent combining radical to a carbon atom; and at least one of the 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: 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 color photographic light-sensitive material which contains a photographic coupler having a naphthalene nucleus in the bonding position other than the coupling position, wherein the naphthalene nucleus contains at least one hydroxyl group and at least one sulfonyl group as a substituent or contains at least one hydroxyl group and at least one sulfinyl group as a substituent is disclosed.

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 coupler having a group represented by the general formula (I) ##STR1## wherein W represents ##STR2## represents an organic residue necessary for forming a 5-membered or 6-membered nitrogen-containing heterocyclic ring or a condensed ring thereof together with W; Y represents an organic residue connecting Z and X and containing at least one carbon atom which is bonded to Z; Z represents an oxygen atom or a sulfur atom; and n represents an integer of 1 to 2; at the coupling position of the coupler and a method of forming a color image using the silver halide color photographic light-sensitive material.

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 containing a coupler having at least one of a sulfamoylphenylenesulfonyl group, a sulfamoylaminophenylenesulfonyl group and a sulfonamidophenylenesulfonyl group as a substituent. Preferred couplers are represented by the formula: ##STR1## wherein all moieties are defined in the specification wherein Cp is a coupler residue, L is a divalent linking group and X represents --NHSO.sub.2 --, ##STR2## or --SO.sub.2 NH, and n represents 0-4. Groups R.sup.1, R.sup.2 and R.sup.3 are defined in the specification.

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 color photographic silver halide light-sensitive material is described, comprising a support base having thereon a silver halide emulsion layer wherein said material contains at least one coupler represented by formula (I) ##STR1## wherein A represents a yellow coupler residue, a magenta coupler residue, or a cyan coupler residue; R.sub.1 represents a substituted or unsubstituted acyclic or cyclic alkylene group; R.sub.2 represents a halogen atom, a hydroxyl group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted acylamino group, a substituted or unsubstituted sulfonamido group or a substituted or unsubstituted acyl group; and n represents an integer of 0 to 3.

Abstract: A silver halide color light-sensitive material having excellent properties for a sensitization treatment is described, containing a polymer coupler having an average molecular weight higher than 30,000 and having a polymeric unit derived from a monomeric magenta coupler represented by formula (I): ##STR1## wherein R.sub.1 is hydrogen, chlorine, or a lower alkyl group having 1 to 4 carbon atoms; A is a phenylene group, a --CONH-- group, or a --COO-- group; B is an unsubstituted or substituted alkylene group, an unsubstituted or substituted aralkylene group, or an unsubstituted or substituted phenylene group; Y is --O--, --NH--, --S--, --SO--, --SO.sub.2 --, --CONH--, --COO--, --NHCO--, or --NHCONH--; Q is a residue of a megenta color-forming coupler which forms a dye through coupling with the oxidation product of an aromatic primary amine developer; and m is 1 when n is 1, and m is 0 or 1 when n is 0.