Abstract: A silver halide photographic material which comprises a support having provided thereon at least one light-sensitive emulsion layer, and which contains in said emulsion layer, or at least one other layer, at least one hydrazine derivative, at least one contrast enhancing agent and at least one redox compound capable of releasing a development inhibitor upon being oxidized. The hydrazine derivative is exemplified by compounds represented by the following formula: ##STR1## wherein R.sub.1 represents an aliphatic group or an aromatic group; R.sub.2 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, a carbamoyl group or an oxycarbonyl group; G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, ##STR2## or an iminomethylene group; and A.sub.1 and A.sub.2 both represent a hydrogen atom, or, alternatively, one of them represents a hydrogen atom and the other represents an alkylsulfonyl group, an arylsulfonyl group, or an acyl group.

Abstract: A silver halide photographic material comprising a support having thereon at least one sensitive silver halide emulsion layer, wherein said emulsion layer comprises a monodisperse emulsion and said emulsion layer or other hydrophilic colloid layer contains at least one hydrazine derivative and at least one redox compound capable of releasing a development inhibitor when oxidized.

Abstract: An image recording material comprises a support and an image recording layer provided thereon which contains a salicyclic acid derivative or its metal salt, which functions as a developer of a leuco dye to form a color image. A new salicylic acid developer is herein disclosed. The salicylic acid developer is a salicylic acid derivative having the formula (I) or its metal salt: ##STR1## in which each of R.sup.13 and R.sup.15 independently is hydrogen, an alkyl group, an aryl group or a tertiary aralkyl group; R.sup.16 is an alkyl group or an aryl group; and when R.sup.15 is hydrogen R.sup.13 is a tertiary aralkyl group. An image recording process employing the image recording material is also disclosed.

Abstract: Photographically useful organic compounds containing secondary-branched alkyl radicals with at least 15 C atoms corresponding to formula I have a low melting point, good solubility in oil formers and a low tendency towards crystallization which makes them particularly suitable for photographic applications. ##STR1## In formula I: PNOV is the residue of a photographically useful organic compound, for example a coupler or oil former;L is a chemical bond or a link between PNOV and X;X represents --O--, --S--, --SO--, --SO.sub.2 --, --NH--, --NR-- (R.dbd.alkyl or acyl), --CO-- or alkylidene;R.sup.1 and R.sup.2 are unbranched alkyl radicals containing at least 6 C atoms, with the proviso that R.sup.1 and R.sup.2 together contain at least 14 C atoms and, where X represents --CO-- or --CH.sub.2, at least 17 C atoms.

Abstract: A silver halide photographic material which has at least one photosensitive silver halide emulsion layer containing a hydrazine derivative, and in which said emulsion layer and/or a hydrophilic colloid layer which is different from said emulsion layer contains a redox compound which release a development inhibitor when it is oxidized and an organic compound which is a melting-pointlowering agent which is essentially insoluble in water and which has the effect of lowering the melting point of said redox compound when the former has been mixed with the latter.

Abstract: This invention relates to novel photographic dye-forming coupler compounds which are non-diffusible as incorporated in a photographic element, but which, during processing, are converted to a form which is removable from the element if the coupler compound has not reacted with oxidized silver halide color developing agent.

Abstract: A silver halide photographic material composed of a support having thereon at least one silver halide photosensitive emulsion layer, at least one layer of the material containing a blocked photographic reagent precursor represented by formula (I): ##STR1## wherein X.sub.1 represents a divalent linking group containing a hetero atom bonded to the carbon atom, provided that X.sub.1 is linked to the carbon atom by a group other than ##STR2## PUG represents a photographically useful group containing a hetero atom bonded to X.sub.1 ; W represents .dbd.N-- or ##STR3## Y.sub.1 represents hydrogen or a group capable of being substituted; Z represents an atomic group necessary for forming a heterocyclic ring, provided that when W represents a ##STR4## the group adjacent to W in the heterocyclic ring is a group other than ##STR5## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.

Abstract: A silver halide color light-sensitive material comprising a support having thereon at least a silver halide and an infrared-absorbing image-forming compound represented by formula (I):(Dye --X).sub.q --Y (I)wherein Dye represents an infrared-absorbing dye group or an infrared-absorbing dye precursor group derived from a compound represented by formula (II)A, (II)B or (II)C; X represents a chemical bond or a connecting group; Y represents a group capable of making a difference in the diffusibility of the dye component of said compound represented by formula (I) between before and after the reaction with the silver halide having a latent image in correspondence or counter correspondence to the silver halide; having a latent image and q represents an integer 1 or 2, and when q is 2, the two (Dye-X) groups may be the same or different: ##STR1## wherein R.sup.1A and R.sup.

Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains an image forming compound represented by the following general formula (I):(Dye--X).sub.q --Y (I)wherein Dye represents a cyan dye group represented by the general formula (II) described below or a precursor thereof; X represents a chemical bond or a linking group; Y represents a group having a property of releasing Dye in correspondence or counter-correspondence to development of a light-sensitive silver salt having a latent image distributed imagewise and making a difference in diffusibility between the dye thus-released and the compound represented by (Dye--X).sub.q --Y; Dye and X are connected with each other by C or E in the general formula (II); and q represents an integer of 1 or 2, and when q is 2, the two groups (Dye--X) may be the same or different: ##STR1## wherein A represents a halogen atom, --OR.sup.1 or --SR.

Abstract: A silver halide photographic material comprising a support having provided thereon at least two hydrophilic colloid layers, wherein at least one of the hydrophilic layers comprises water or a hydrophilic colloid and a compound represented by formula (I) dispersed therein using water or a water-soluble organic solvent:PWR-(Time).sub.t -PUG (I)wherein PWR represents a group capable of releasing (Time).sub.t -PUG upon reduction;Time represents a group capable of releasing the PUG residual group by the successive reaction, after being released as (Time).sub.t -PUG;t represents 0 or 1;PUG represents a photographically useful group; and at least one water-soluble group exists in one molecule of the compound.

Abstract: This invention relates to novel photographic dye-forming coupler compounds which are non-diffusible as incorporated in a photographic element, but which, during processing, are converted to a form which is removable from the element if the coupler compound has not reacted with oxidized silver halide color developing agent.

Abstract: A ballasted non-diffusing compound that is capable of releasing a diffusible particularly light-fast azo dye from a carrier moiety, characterized in that said compound corresponds to the following general formula:CAR--L--G--Dwherein:CAR represents a ballasted carrier moiety making said compound non-diffusing in a hydrophilic colloid medium under wet alkaline conditions,L represents a chemical group cleavable or releasable from the carrier moiety as a function of a redox-reaction or argentolytic reaction taking place in the development of a silver halide emulsion layer under alkaline conditions;G represents a bivalent organic group containing at least one aromatic nucleus being substituted with a R.sup.5 R.sup.6 NSO.sub.2 NH-group, wherein R.sup.5 and R.sup.6 (same or different) represent hydrogen, an alkyl group including a substituted alkyl group or an aryl group including a substituted aryl group, andD is an azo dye part chemically linked to an aromatic nucleus of G.

Abstract: A photosensitive member suitable for multi-color image formation is obtained by forming a plurality of photosensitive layers laminated on a substrate. Each photosensistive layer comprises a matrix phase and particles dispersed therein. The matrix phase contains a photosensitive silver salt, an organic silver salt and a reducing agent which react with each other on exposure and heating to form a light-absorbing organic compound. The particles contain a heat-diffusive colorant, a polymerizable polymer precursor and a photopolymerization initiator. The light-absorbing organic compound in a photosensitive layer being capable of absorbing a wavelength of light to which the photopolymerization initiator in the photosensitive layer is sensitive. Because the heat-diffusive colorant, the polymerizer and the initiator are contained in the particles, the diffusion of the heat-diffusive colorant can be effectively controlled to prevent color fog.

Abstract: A light-sensitive element for the diffusion transfer process which comprises a support having thereon a light-sensitive silver halide emulsion layer having associated therewith a yellow dye providing compound represented by the following general formula (I): ##STR1## wherein CAR represents a carrier moiety which is capable of releasing a diffusible dye from the compound in correspondence or counter-correspondence to development under alkaline conditions; Link represents a group connecting CAR with a diffusible dye; m represents 0 or 1; the dotted lines mean that at least one of the dotted lines is a bond; R.sup.1 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an aryloxycarbonyl group or a carbamoyl group; R.sup.2 represents an alkyl group or an aryl group; and R.sup.3 represents an aryl group excepting an aryl group having the Hammett's .sigma..sub.p value less than 0.01.

Abstract: A novel blocked photographically useful compound comprises a new blocking group that (a) comprises two electrophilic groups, the least electrophilic of which is bonded directly or through a timing group to the photographically useful group (PUG) of the compound, (b) is capable of reacting with a dinucleophile reagent, and (c) has the two electrophilic groups separated from each other by a bond or unsubstituted or substituted atom that enables nucleophilic displacement to occur with release of PUG when the compound is reacted with a dinucleophile reagent. Such a blocked photographically useful compound is useful in a photographic material and process to provide increased stability and enable more rapid release of the photographically useful group upon reaction with a dinucleophile reagent.

Abstract: A color image forming method comprises bringing a developer into contact with a recording material comprising a support and a recording layer containing at least two kinds of leuco dyes being capable of forming colors different in hue from each other on contact with the developer. The leuco dyes are a yellow color forming leuco dye, a magenta color forming leuco dye and/or a cyan color forming leuco dye. The equilibrium constants of the reactions between these dyes contained in the recording layer and the developer are not lower than 0.05.

Abstract: An image-receiving element for heat transfer type dye image, which comprises a support, a binder and a compound represented by the formula (I) shown below on the support: Formula (I)[M(X.sub.1).sub.l (X.sub.2).sub.m (X.sub.3).sub.n ].sup.P+ Qwherein, M represents a transition metal ion, X.sub.1, X.sub.2 and X.sub.3 represent a coordination compound capable of forming a complex by coordinate bonding with the transition metal ion, Q is at least one of ##STR1## and (R.sub.5 --SO.sub.3.sup.-).sub.p, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent an alkyl group, an aryl group, a cyano group, a heterocyclic residual group or hydrogen atom (these may be the same or different), R.sub.5 represents an alkyl group or an aryl group, p represents 1, 2 or 3, m represents 1, 2 or 0, n represents 1 or 0, and p represents 1 or 2.

Abstract: A color photosensitive material and a process for producing an image using such a material are disclosed. The color photosensitive material comprises a support having thereon a silver halide and a dye releasing compound represented by formula (A). ##STR1## wherein Ar and Ar', which may be the same or different, each represents an aromatic group or a heterocyclic group, Ar and Ar' may be joined together to form a ring, and R represents an aromatic group, a heterocyclic group or a sulfonyl group.

Abstract: A color photographic light-sensitive material comprising a support having thereon at least one layer containing light-sensitive silver salt, wherein the color photographic a light-sensitive material contains at least one image forming compound represented by the following general formula (I):(Dye-X).sub.q -Y (I)wherein Dye, X, q and Y are described in detail below.

Abstract: A silver halide photographic material comprising a support having thereon at least one hydrophilic colloid layer containing at least one high boiling point organic solvent and at least one substantially water-insoluble photographically useful reagent both dispersed therein, wherein at least one of the high boiling point organic solvents is a compound represented by formula (I):(ArCOO).sub.n --L (I)(the symbols of which are described herein).By incorporation of a compound of formula (I), reductive fading of cyan dyes formed in the material due to heat, moisture is minimized.A method of processing the silver halide photographic material as imagewise exposed with a color developer containing substantially no benzyl alcohol is also disclosed.

Abstract: A silver halide photographic material which comprises a support having coated thereon a light-sensitive silver halide emulsion layer, wherein the photographic material contains a blocked photographic agent represented by the following general formula (I): ##STR1## wherein A represents a photographic agent moiety which is bonded to a blocking moiety through a hetero atom, or a precursor thereof; R.sup.1 represents a hydrogen atom or a substituent group; and Z represents atoms necessary to form a carboxylic ring or a heterocyclic ring. The blocked photographic agent is completely stable upon storage of the photographic material, and releases a photographic agent at a desired time upon processing of the photographic material. The blocked photographic agent also exhibits its function to a substantial degree over a wide range.

Abstract: A light-sensitive material comprising a light-sensitive layer provided on a support wherein the light-sensitive layer contains silver halide, a reducing agent, a polymerizable compound, and an organic solvent which is miscible with the polymerizable compound and is contained in microcapsules.

Abstract: Alkylenglycol aliphatic diesters are water-immiscible high-boiling organic solvents useful for dispersing hydrophobic photographic additives in hydrophilic colloid compositions which are incorporated into the composing layers of light-sensitive silver halide photographic materials.In particular, said alkylenglycol aliphatic diesters correspond to general formula ##STR1## wherein R.sub.1 and R.sub.2, the same or different, each represents an alkyl group having 1 to 15 carbon atoms, Q represents an acylic hydrocarbon divalent group having 1 to 10 carbon atoms, m represents 0 or 1 and the total number of carbon atoms represented in R.sub.1 +R.sub.2 is at least 6.

Abstract: A thermally developable light-sensitive material having at least a light-sensitive silver halide, a reducing agent, a binder and a dye-providing material on a support is disclosed. The dye-providing material is a compound that releases or forms a diffusible dye as a function of development and which has a group capable of reacting with the nucleophilic agent.

Abstract: A color photographic recording material for the dye diffusion transfer process contains color producing compounds in the form of a dispersion of particles of an ionically modified polyaddition or polycondensation product containing from 4 to 180 milliequivalents of ionic groups per 100 g, which particles are charged or loaded with the color producing compound. When development is carried out by heat treatment, color transfers with high maximum densities and low minimum densities are obtained.

Abstract: A photographic material for the silver dye bleach process comprises, in at least one layer, a colloidal dispersion of azo in gelatine, the ratio of azo dye to gelatine being 1:1 to 1:10.

Abstract: A color image is formed by subjecting a silver halide photosensitive material comprising at least a photosensitive silver halide, a two equivalent coupler, a binder, and a substantially water-insoluble basic metal compound on a support, to development with a processing solution comprising a complexing compound capable of complexing reaction with the metal in ionic form of said substantially water-insoluble basic metal compound in the presence of water to release a base.

Abstract: A ballasted non-diffusing compound that is capable of releasing a diffusible particularly light-fast azo dye from a non-diffusible carrier moiety, wherein said compound contains not more than two aromatic nuclei between said carrier moiety and a dye part that remaining linked to said aromatic nuclei is releasable by redox-reaction and wherein at least one of said aromatic nuclei is substituted with a R.sup.4 SO.sub.2 NH-- group as defined.

Abstract: Color correction of negative images resulting from diffusion transfer photographic recording materials is obtained through use of two dye image-providing compounds, each of which is capable of releasing a diffusible dye. One of the dye image-providing compounds releases a diffusible dye as a result of silver halide development whereas the other compound releases dye in areas where no development occurs.

Abstract: A color light-sensitive material is provided, having at least one image forming compound of the following formula (I) on a support(Dye--X).sub.q --Y (I)wherein Dye represents a magenta dye residue or a dye precursor residue represented by the following formula (II); X represents a bond or a binding group; Y represents a group capable of yielding a difference in diffusibility of a dye component before and after the reaction with a photographic silver salt imagewise having a latent image, corresponding to or reversely corresponding to said photographic silver salt; q is 1 or 2, and when q is 2, Dye-X may be the same or different; ##STR1## wherein the symbols are defined in the specification and claims.

Abstract: Diffusion transfer color films and processes are disclosed which use dye developer chemistry to form at least one color record and which use image dye-releasing thiazolidine chemistry to form at least one of the other color records.

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 color light-sensitive material is provided, having at least one image forming compound of the following formula (I) on support.(Dye-X).sub.q -Y (I)wherein Dye represents a yellow dye residue represented by the following formula (II) or a dye precursor residue; X represents a bond or a binding group; Y represents a group capable of yielding a difference of diffusibility of a dye component before and after the reaction with a photographic silver salt imagewise having a latent image, corresponding to or reversely corresponding to said photographic silver salt; q is 1 or 2, and when q is 2, Dye-X may be the same or different; ##STR1## wherein R.sup.1, R.sup.2 and R.sup.

Abstract: A silver halide photographic material which comprises a support having coated thereon a light-sensitive silver halide emulsion layer, wherein the photographic material contains at least one blocked photographic agent represented by the following general formula (I): ##STR1## wherein A represents a photographic agent moiety which is bonded to a blocking moiety through a hetero atom, or a precursor thereof; R.sup.1, R.sup.2 and R.sup.3 each represents a hydrogen atom, or a substituent group; and Z represents atoms necessary to form a carbocyclic ring or a heterocyclic ring (except for a heterocyclic ring which contains an NH group at the position adjacent to the carbon atom to which R.sup.1 is attached). The blocked photographic agent is completely stable upon storage of the photographic material, and releases a photographic agent at a desired time upon processing. The blocked photographic agent also exhibits its function to a substantial degree over a wide range of pH.

Abstract: A latex composition having utility in articles such as photographic elements is disclosed. The composition comprises loadable polymer particles having recurring units a, b and c wherein:component a is 10 to 100 weight percent of a tetrahydrofurfuryl monomer having the structure: ##STR1## in which R.sub.1 represents O or NH; andR.sub.2 represents H or lower alkyl of about 1 to 6 carbon atoms;component b is 0 to 20 weight percent of a hydrophilic monomer andcomponent c is 0 to 90 weight percent of a hydrophobic monomer.

Abstract: Photographic elements and assemblages are described which employ nondiffusible 4-arylazo-1-hydroxy-2-carboxy ester substituted naphthoic image dye-providing compounds capable of releasing diffusible dye moieties which undergo substantial hue shifts at low, or acidic, pH values but which provide desired hues at neutral or basic pH values used for viewing or processing.

Abstract: A method of processing a photographic material which contains a light-sensitive silver halide emulsion layer having associated therewith a blocked photographic agent capable of releasing a photographically useful agent by ring cleavage of a 4- to 7-membered ring containing at least one carbonyl group in the presence of a hydroxylamine, whereby both high stability of the photographic material upon storage and timely release of the photographically useful agent upon processing are achieved.

Abstract: The present invention relates to an image recording process which comprises a step of (i) imagewise exposing a layer containing at least silver halide of an image recording material comprising (a) silver halide, (b) a reducing agent capable of developing silver halide, (c) a photopolymerization sensitizing dye capable of being reduced into a leuco substance by said reducing agent, and (d) a polymerizable vinyl monomer, to light to form a latent image, a step of (ii) uniformly heating said recording material to form a photopolymerization sensitizing dye image in a part corresponding to said latent image, and thereafter a step of (iii) uniformly exposing a layer containing at least said formed photopolymerization sensitizing dye image and said polymerizable vinyl monomer to light to form a polymer image in the part where said photopolymerization sensitizing dye image is present, by photopolymerization.

Abstract: A silver halide photographic light-sensitive material is described, comprising a support having thereon a light-sensitive silver halide emulsion layer having associated therewith a blocked photographic agent represented by formula (I) ##STR1## wherein A represents a photographically useful agent moiety, which may have a timing group; X.sup.1 and X.sup.2 each represents a carbonyl group, a sulfonyl group, or a sulfinyl group; Z represents an atomic group forming a 5-membered, 6-membered, or 7-membered ring; R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an alkoxy group, an acyl group, a sulfonyl group, or a heterocyclic group; R.sup.3 represents an alkyl group, an alkenyl group, a cycloalkyl group, a heterocyclic group, an aryl group, or an aralkyl group; m represents 0, 1, or 2; n represents 0 or 1; and the total of m+n is 1, 2, or 3.

Abstract: Photographic elements and assemblages are described which employ nondiffusible compounds which release photographically useful groups in an imagewise manner as the result of a .beta.-elimination reaction.

Abstract: Photographic silver halide emulsion material for use in a dye diffusion transfer process incorporating a non-diffusing compound capable of releasing a diffusible mono-azo dye or dye precursor thereof from a carrier moiety, said compound corresponding to the following general formula (I):(I) CAR--L--G--Dwherein:CAR represents a ballasted carrier moiety,L represents a chemical group cleavable or releasable from the carrier moiety as a function of a redox-reaction or argentolytic reaction taking place in the development of a silver halide emulsion layer under alkaline conditions,G represents a bivalent organic group incorporating at least three aromatic nuclei, selected from the group consisting of homocyclic or heterocyclic aromatic nuclei, with the provisions that L is linked to one end nucleus and that D is linked to the other end nucleus of said bivalent organic group; said linking being by means of a direct bond or by means of a bivalent mono- or polyatomic group, andD is an azo dye part linked to said othe

Abstract: Metal complexes, particularly copper and nickel complexes of azo dyes corresponding to general formula (I) are suitable as color dyes for the production of color images by the dye diffusion transfer process. The dyes are (in non-metallized form), in the form of so-called "dye-releasers", bound to a redox-active carrier radical provided with a ballast group, which dye-releasers are associated to a light-sensitive silver halide emulsion layer. During development, the metallizable dyes are image-wise released and are converted, after diffusion into a light-receiving layer, into the corresponding metal complexes ##STR1## wherein E represents an electron acceptor radical; andK represents the radical of an azo coupler component, derived from an open-chain or closed ring ketomethylene compound, a cyclic enamine compound or a phenolic compound.

Abstract: A photographic light-sensitive material is described, comprising a support having thereon at least one combination of a silver halide photographic emulsion layer and associated therewith a dye-providing compound capable of imagewise forming a mobile dye as a result of imagewise light exposure and photographic development, said silver halide photographic emulsion layer or a layer containing said dye-providing compound having dispersed, in a hydrophilic colloid, a water-insoluble and organic solvent-soluble homopolymer or copolymer having as the main chain or a side chain thereof a repeating unit including a ##STR1## bond and a redox compound represented by formula (I) as combined paticles; ##STR2## wherein R represents a hydrogen atom; a substituted or unsubstituted alkyl group, aryl group, acylamino group, alkoxy group, aryloxy group, alkylthio group, arylthio group, carbamoyl group, acyl group, alkoxycarbonyl group, aryloxycarbonyl group, sulfamoyl group, alkylsulfonyl group, or arylsulfonyl group; a halogen

Abstract: A photographic light-sensitive material for a color diffusion transfer process is described, comprising a support having provided thereon (1) at least two silver halide emulsion layers which are in combination with dye-releasing redox compounds, and (2) an intermediate layer between said silver halide emulsion layers; the intermediate layer comprises a hydrophilic colloid having dispersed therein two or more different kinds of particles, with one or more kinds of said particles containing a scavenger for an oxidized product of a developing agent. The material has an improved processing temperature latitude.

Abstract: Diffusion transfer photographic color products and processes are described in which there are utilized novel chrome complexed neutral tone black image dye-providing materials which include either a 1-naphthol-2'-naphthol-1', 2-azo dye moiety or a 2-naphthol-2'naphthol-1, 1'-azo dye moiety, a parasubstituted phenyl azo-pyrazolone dye moiety and a cation. The image dye-providing material includes a diffusion control moiety such as a hydroquinonyl group or a precursor thereof and may be diffusible or nondiffusible as a function of the diffusion control moiety.

Abstract: Photographic elements, diffusion transfer assemblages and coordination complexes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible dye moiety having the formula: ##STR1## wherein: (a) D.sup.1, D.sup.2 and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms;(b) Z.sup.1 and Z.sup.2 each independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms or a ketomethine group;(c) G.sup.1 and G.sup.2 each independently represents a metal chelating group;(d) Me is a polyvalent, hexacoordinate metal ion,(e) CAR represents a ballasted carrier moiety capable of releasing the diffusible dye moiety as a function of development of the silver halide emulsion layer under alkaline conditions; and(f) n is 1, 2 or 3.

Abstract: Photographic assemblages are described employing metallizable redox dye-releasers and a ligand having a coordinating site which is: ##STR1## In a preferred embodiment, the ligand is an alpha amino carboxylic acid, a 2-pyridinecarboxylic acid, a 2-aminoalcohol, a 2-hydroxymethylpyridine, a 2-hydroxyacetic acid, a 1,2-diamine or a 2-hydroxypyridine-N-oxide.

Abstract: A color light-sensitive material is described, comprising a support and at least one light-sensitive silver salt layer on the support, wherein the layer contains a dye-providing compound represented by the general formula (I):(Dye-X).sub.g -Y (I)wherein all the symbols are as defined in the appended claims. This dye-providing compound provides a color image which is sharp and further is superior in light fastness.

Abstract: A heat-developable color photographic material comprising a support having thereon at least a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound and a heat fusible compound which has a melting point of 60.degree. C. or higher and is represented by the following general formula (I), (II) or (III): ##STR1## wherein m represents an integer from 1 to 3; n represents an integer from 1 to 8; q represents an integer from 1 to 4; p represents an integer which meets the requirement for p+g=6; s represents an integer from 1 to 4; r represents an integer which meets the requirement for r+s=8; R represents a hydrogen atom or a substituent as set forth in the specification, and when m, p or r represents 2 or more, R may be the same or different; R.sub.1 represents an organic group in R.sub.1 - (OH).sub.n which is an alcohol, a phenol or a naphthol each having one or more hydroxy group and includes a saccharide; and R.sub.2 represents an organic group in R.sub.

Abstract: A process of obtaining highly stable color images comprises use of an element which has a support having thereon at least one silver halide emulsion layer having associated therewith an essentially colorless, immobile, ligand-releasing compound of the structure LIG-X. In this structure, LIG is a ligand which is capable of complexing with metal ions (e.g. ferrous ions) to form a metal complex dye, and X is a group which, as a function of silver halide development, is cleaved from LIG. A color image is formed by developing the described element after imagewise exposure with a developing agent to imagewise cleave the bond between the LIG and X, and treating the developed element with metal ions (e.g. ferrous ions) to form a metal complex dye image.