Abstract: A silver halide photographic light-sensitive material comprising a dye represented by the following formula (1) or formula (2): wherein A1 and B1 each represent substituents other than a naphthalene group; and A2 and B2 represent substituents.

Abstract: A heat-developable color light-sensitive material comprising a support having thereon at least a light-sensitive silver halide emulsion, a hydrophilic binder and a dye-donating compound capable of releasing a diffusible dye in correspondence or counter-correspondence to the silver development, wherein at least two light-insensitive layers are provided between the support and a light-sensitive layer closest to the support and the light-insensitive layer not adjacent to the light-sensitive layer contains at least one compound represented by the following formula (I) or (II): wherein R1 to R6 are defined herein wherein R7, R8 and R9 are defined herein and Y represents —CO— or —SO2—.

Abstract: The present invention discloses a color photographic photosensitive material for heat development, which material is characterized in that the color photographic photosensitive material produces superior discrimination with reduced color muddiness in rapid processing. The color photographic photosensitive material for heat development of the present invention comprises a support having thereon a photosensitive silver halide, a binder, a dye-releasable compound, a compound represented by the general formula (I) or (II), and a compound represented by the general formula (III) or (IV).

Abstract: Disclosed are a silver halide color photographic material having on a support a photographic element in which silver halide grains, a developing agent and a coupler capable of forming a dye by reaction with an oxidation product of the developing agent are incorporated, the photographic element further comprising at least one color stain inhibitive compound represented by the following formula (SC-1) or (SC-2) and at least one photographically useful group-releasing compound represented by the following formula (II); and a method of forming color images by the use of the foregoing material: A—[(L1)a—(B)m]p—(L2)n—PUG  (II)

Abstract: A method of preparing a silver halide emulsion is disclosed, comprising the steps of forming a silver halide emulsion, subjecting the silver halide emulsion to chemical sensitization, and adding a sensitizing dye the silver halide emulsion, wherein the sensitizing dye exhibits an absorption maximum at a wavelength of not less than 730 nm, the pAg of the emulsion being adjusted to a range of from 7.50 to 8.25 after strating the chemical sensitization and before adding the sensitizing dye.

Abstract: A silver halide imaging element is disclosed that is capable of providing a sharp image with silver halide grains still present following imagewise exposure and development. This is achieved by choosing a dispersing medium for the silver halide grains comprised of an organic vehicle and, dispersed therein, titanium dioxide particles having an average size of less than 0.1 micrometer accounting for at least 10 percent by weight of the dispersing medium. The elements are useful for optical printing or scan image retrieval without fixing. The elements can be used for providing black-and-white photographic images, radiographic images or dye images.

Abstract: A photosensitive silver halide film material is disclosed comprising a support and on one or both sides thereof one or more layer(s) comprising a photosensitive silver halide emulsion wherein tabular silver halide crystals having an average thickness of less than 0.25 &mgr;m and an average aspect ratio of 2 or more are present characterized in that said photosensitive silver halide emulsion layer(s) comprise(s) blue colored polymeric matting particles.

Abstract: A silver halide color reversal lightsensitive material comprising a transparent support and, superimposed thereon, a blue-sensitive emulsion layer unit, a green-sensitive emulsion layer unit and a red-sensitive emulsion layer unit, each of these units comprising at least two emulsion sub-layers having the same color sensitivity but different speeds from each other, wherein the material contains a yellow dye in an amount of 0.15 to 1.0 g/m2 and satisfies the relationship: 0.9≦&ggr;′/&ggr;≦1.25 wherein &ggr; and &ggr;′ each represent a point-gamma value of a portion of the material giving a magenta density of 1.

Abstract: A heat developable color photographic material for use in an image-forming process comprising: (a) superposing a heat developable color photographic material onto an image-receiving material that is formed on a separate support from a support of the heat developable color photographic material; and (b) heat-developing the heat developable color photographic material superposed on the image-receiving material to form or release a diffusible dye, so that the diffusible dye is transferred to the image-receiving material to thereby form an image: wherein the heat developable color photographic material contains at least a light-sensitive silver halide and yellow, magenta and cyan dye-donating compounds, which form or release diffusible yellow, magenta and cyan dyes, respectively, by heat development corresponding to silver development, wherein the yellow, magenta and cyan dyes, respectively, has a maximum absorption intensity of spectral absorption at a wavelength of from 440 nm to 460 nm, from 525 nm to 545 nm,

Abstract: There is disclosed a heat-development color photographic light-sensitive material which has on a base at least two applied silver halide emulsion layers different in color sensitivity from each other and at least one applied non-light-sensitive layer, wherein the silver halide emulsion layer or the non-light-sensitive layer contains a dye providing compound and at least one specific diffusible electron transport agent, and wherein the non-light-sensitive layer contains a compound capable of reacting with an oxidized product of the electron transport agent. The light-sensitive material can provide an image excellent in discrimination even by subjecting to development for a short period of time, and is excellent in color separation.

Abstract: An oxonol compound is represented by the following formula (I): ##STR1## in which Z is an atomic group that forms a cyclic amide ring; each of W.sup.1 and W.sup.2 independently is an atomic group that forms an acidic nucleus ring; and M is a cation. Other oxonol compounds, a light-sensitive material containing an oxonol compound and a process for the synthesis of an oxonol compound are also disclosed.

Abstract: A multilayer silver halide color photographic element is disclosed comprising a support bearing a light-sensitive silver halide emulsion layer and a non-diffusible yellow-colored magenta dye-forming masking coupler of the following formula ##STR1## wherein COUP is a magenta dye-forming coupler having the azo group attached to its coupling position; q is an integer of from 0 to 3, and each R' independently represents a substituent group or two R' groups together complete a ring of from 5-7 atoms, which ring may include 1 or more heteroatoms selected from O, N and S; m is 1 or 2, and DG represents a substituent of the formula ##STR2## where each L.sup.1 represents a divalent linking group, preferably --O(CH.sub.2).sub.y --, --NHCO(CH.sub.2).sub.y --, or --NRCO(CH.sub.2).sub.y --, where R represents an alkyl or aryl group and y represents an integer from 1 to 4; each k is either 0 or 1; each L.sup.2 represents --NHSO.sub.2 --, --NHCO--, --SO.sub.2 NH--, or --CONH--, preferably at least one L.sup.

Abstract: A heat developable color light-sensitive material containing at least light-sensitive silver halide, a binder, and a dye-providing compound on a support, wherein at least one of the compounds represented by formula (1) is contained as the above dye-providing compound, and the amount of the above binder is 5 g/m.sup.2 or less: ##STR1## wherein veriables in the above formula are defined in the specification. The heat developable color light-sensitive material which provides an excellent discrimination of an image and is less susceptible to an influence by a fluctuation in a development processing condition.

Abstract: A silver halide light sensitive photographic material is disclosed, comprising component layers including a silver halide emulsion layer and a hydrophilic colloid layer, wherein the silver halide emulsion layer comprises tabular grains and at least one of the component layers layers contains a leuco compound capable of forming a dye upon reaction with an oxidation product of a developing agent; the tabular grains 1) having (111) major faces, and exhibiting an average equivalent circular diameter of 0.5 to 3.0 .mu.m and an average thickness of 0.07 to 0.3 .mu.m, 2) including epitaxially deposited silver halide protrusions of a face-centered cubic crystal lattice structure forming epitaxial junctions with the tabular grains, and 3) the protrusion being located on peripheral portions of the tabular grains.

Abstract: Disclosed are a silver halide light-sensitive material for forming a monochrome-image which material is colored in orange, a silver halide light-sensitive material for forming a monochrome-image which material has an identical printing level as at least one of the silver halide color light-sensitive materials provided for a negative-positive type color photographic system, and a photo-taking unit loading and packaging in a photographable state at least one of the monochrome image forming silver halide light-sensitive material. The invention provides a silver halide light-sensitive material for forming a monochrome-image which is suitable for a negative-positive system color photographic processing and is easy for printing onto a photographic paper.

Abstract: A silver halide imaging element is disclosed that is capable of providing a sharp image with silver halide grains still present following imagewise exposure and development. This is achieved by choosing a dispersing medium for the silver halide grains comprised of an organic vehicle and, dispersed therein, titanium dioxide particles having an average size of less than 0.1 micrometer accounting for at least 10 percent by weight of the dispersing medium. The elements are useful for optical printing or scan image retrieval without fixing. The elements can be used for providing black-and-white photographic images, radiographic images or dye images.

Abstract: An aqueous-based slurry comprising:a particulate solid substance comprising a weak acid functional group having effective pK.sub.a1 >1 and less than 1% by weight aqueous solubility at pH=pK.sub.a1 ;an aqueous continuous phase at pH<pK.sub.a1 +3;a buffering salt of a weak acid, where the weak acid associated with this buffering salt has pK.sub.a2 and wherepK.sub.a1 -2.ltoreq.pK.sub.a2 ;andwhere the incremental molar ionic strength in the continuous phase of said slurry resulting from said buffering salt is less than 0.04 mol/L is disclosed.

Abstract: A silver halide light sensitive photographic material is disclosed, comprising a support having thereon a silver halide emulsion layer containing silver halide grains, wherein at least 50% of the total projected area of silver halide grains contained in the silver halide emulsion layer is accounted for by tabular silver halide grains having an aspect ratio of 2 to 15, (100) major faces with an edge ratio of 1 to 2, and a silver chloride content of 50 mol % or more; and the emulsion layer further containing a leuco compound capable of forming a blue dye upon reaction with an oxidation product of a developing agent.

Abstract: Disclosed is a silver halide color photographic light sensitive material comprising a coupler represented by the following formula (I):formula (I) ##STR1## wherein Cp represents a coupler moiety; L represents a divalent linkage group; J represents --CO-- or --SO.sub.2 --; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent a hydrogen atom, an alkyl group or an aryl group, provided that one of R.sub.3 and R.sub.4 is a hydrogen atom; R.sub.5 represents a substituent; and n represents 0 or 1.

Abstract: A process of compositing two or more separate images comprising: (a) imagewise exposing a color negative photographic recording material to a subject in front of a uniformly colored screen background, wherein the photographic recording material comprises a support bearing red light, green light, and blue light sensitive color records, and at least one distributed red light absorbing compound in an amount such as to reduce the sensitivity of the red light sensitive color record by at least 40%, and the light sensitivities of the green light sensitive color record and the blue light sensitive color record are each reduced by less than 20% by the presence of any distributed light absorbing compounds, (b) forming a color negative image of the subject and screen background by developing the exposed photographic material with a color developing agent, (c) separating the subject image of the color negative from the screen background image, and (d) compositing the separated subject image with a second image.

Abstract: The present invention is a silver halide photographic material including at least one layer which contains; a polymer comprising as constituent components thereof a repeating unit having a photographically useful group and at least one repeating unit having an imidazole group; and a compound having at least one functional group which reacts with an imidazole group and at least one other functional group capable of reacting with an imidazole group and a primary amine group, the amount of the compound being sufficient to insure adequate fixation of said polymer.

Abstract: The present invention describes an image dye-forming coupler of formula (I) ##STR1## wherein L is an oxymethylene or oxycarbonyl group; n is 0 or 1; COUP is a coupler moiety and R.sub.1 and R.sub.2 are the same or different and are groups selected such that(a) together with the nitrogen atom a good leaving group is formed;(b) at least one of them contains a PUG linked to an electrophilic center (E); and(c) neither R.sub.1 nor R.sub.2 is a hydrogen atom wherein the coupler is a DIAR coupler from which inhibitor is released from a coupling-off group after a timed delay which results from an additional reaction step. Such delay permits control over the time of release, rate of release and rate of diffusion of a photographically useful group (PUG) without altering the nature of the PUG itself.A method of preparing the coupler is also described wherein the two parts of the molecule can be built up separately and combined in a single reaction allowing ready access to a large variety of possible structures.

Abstract: A dual-coated radiographic element capable of producing a viewable image when heated following imagewise exposure is disclosed comprised of, on opposite sides of a transparent film, layer units containing radiation-sensitive radiation-sensitive silver halide grains, a light-insensitive source of silver, and a reducing agent for said light-insensitive reducible source of silver. Greater than 50 percent of total projected area of said silver halide grains being provided by tabular grains (a) having {100} major faces, (b) containing greater than 70 mole percent chloride, based on silver, (c) exhibiting an average thickness of less than 0.3 .mu.m, and (d) exhibiting an average equivalent circular diameter of greater than 0.6 .mu.m.

Abstract: A method for processing a silver halide light sensitive photographic material comprising a support having thereon hydrophilic colloid layers including a silver halide emulsion layer, wherein a dextran and a leuco dye compound each are independently contained in the hydrophilic colloid layer(s), the photographic material being processed with a developer containing a reductone as a developing agent.

Abstract: A color photographic silver halide material contains on a support at least one red-sensitive, cyan-coupling, at least one green-sensitive, magenta-coupling and at least one blue-sensitive, yellow-coupling silver halide emulsion layer together with interlayers between layers of different colour sensitivity, wherein at least one of the stated interlayers contains at least one masking coupler, the masking coupler having a reaction rate constant for the coupling reaction with the developer oxidation product of .gtoreq.5000 1-mol.sup.- .cndot.s.sup.-1, is distinguished improved sensitivity without increase of granularity.

Abstract: A radiographic element is disclosed capable of producing a maximum density of at least 3.0 when imagewise exposed and processed in less than 45 seconds. The element includes magenta dye or dyes, including a dye for spectrally sensitizing radiation-sensitive silver halide grains, that leave a residual density at 505 nm of greater than 0.1 when the element is processed. Transmission of red light through the radiographic element when imagewise exposed and processed to produce a viewable image is reduced by the incorporation in at least one of the hydrophilic colloid layers of at least one ionic linear condensation polymer containing a cyan phthalocyanine dye.

Abstract: Photographic element are described comprising a support bearing a photographic silver halide emulsion layer having associated therewith a micro-precipitated dispersion of a high dye-yield coupler having the formula:COUP--(T).sub.m --L--DYEwhere COUP is the coupler moiety of the coupler capable of reacting at the coupling position with oxidized color developer to form a first dye, T is one or more timing groups with m=0, 1 or 2, L is a linking group selected from the group consisting of --OC(O)--, --OC(S)--, --SC(O)--, --SC(S)--, or --OC(.dbd.NSO.sub.2 R)--, where R is a substituted or unsubstituted alkyl or aryl group, and DYE is a second dye or precursor thereof comprising an electrically neutral chromophore. The invention also provides a photographic coupler dispersion, a photographic silver halide emulsion, and a process for forming an image in a photographic element in accordance with the invention.

Abstract: A heat developable color light-sensitive material provided on a support, which is for use in an image forming process comprising using a dye fixing element provided on a support separate from the support for the light-sensitive material, superposing one on another, heat developing to form a diffusible dye in the light sensitive material, and transferring the diffusible dye to the dye fixing element to form an image, is disclosed.

Abstract: The invention provides a multilayer color negative photographic element comprising a support, at least one light-sensitive silver halide emulsion layer sensitive to each of the blue, green and red regions of the visible spectrum, a magnetic recording layer, and a permanent density correction dye, wherein:the spectral absorbance maximum of the density correction dye is in the range of 450-485 nm;the ratio of the absorbance of the density correction dye at 480 nm relative to 420 nm is between 1.2 and 3.5;the ratio of the absorbance of the density correction dye at 440 nm relative to 420 nm is between 1.25 and 2.5;the ratio of the absorbance of the density correction dye at 510 nm relative to 480 nm is less than 0.6; andthe density correction dye is uncharged and is free of carboxyl and sulfonate groups.The element exhibits improved color balance permitting it to be satisfactorily processed together with conventional photographic elements to produce viewable color images.

Abstract: The invention provides a multilayer color negative photographic element comprising a support, at least one light-sensitive silver halide emulsion layer sensitive to each of the blue, green and red regions of the visible spectrum, one or more yellow or orange-yellow cyano benzoxazolyl or cyano benzothiazolyl arylidene type methine filter or density correction dyes of structure I, below, codispersed with one or more hydroquinone, catechol or sulfonamidophenol reducing agents, ##STR1## wherein: R.sub.1 is hydrogen or an alkyl group;R.sub.2 is an alkyl group or an aryl group;R.sub.3 is hydrogen, a halogen, an alkyl group, an alkoxy group or an aryloxy group;R.sub.4 is hydrogen or an alkyl group;R.sub.5 is hydrogen or an alkyl group;R.sub.6 is hydrogen or an alkyl group;X is oxygen or sulfur;each R.sub.

Abstract: Solid particle dispersions of compounds useful in imaging elements can be made with substantially improved stability to particle growth by dispersing the compound of interest in the presence of a relatively small amount of a second compound that is structurally similar to the compound of interest. This second compound is combined with the compound of interest prior to dispersing the compound of interest, i.e., prior to milling in the case of milled dispersions, and prior to precipitation in the case of pH or solvent precipitated dispersions. While being distinct, the second compound has a similar chemical structure to the main compound.

Abstract: A radiographic element including an image recording silver halide emulsion layer coated on a transparent film support and a blue anthraquinone dye. Transmission of red light through the exposed and processed radiographic element is reduced by coating on the support at least one ionic linear condensation polymer containing a cyan phthalocyanine dye.

Abstract: The invention provides a multilayer color negative photographic element comprising a support, at least one light-sensitive silver halide layer sensitive to each of the blue, green and red regions of the visible spectrum, a magnetic recording layer and a yellow or orange-yellow methine density correction dye of structure I, ##STR1## wherein R.sub.1 is hydrogen or an alkyl group;R.sub.2 is an alkyl group or an aryl group;R.sub.3 is hydrogen, a halogen atom, an alkyl group, an alkoxy group or an aryloxy group;R.sub.4 is hydrogen or an alkyl group;R.sub.5 is hydrogen or an alkyl group;R.sub.6 is hydrogen or an alkyl group;X is oxygen or sulfur;each R.sub.7 is independently a substituent selected from the group consisting of a halogen atom, and alkyl, aryl, alkoxy, aryloxy, carbonamido, sulfonamido, carbamoyl, alkoxycarbonyl, aryloxycarbonyl, acyloxy, acyl, sulfamoyl, sulfonyl, sulfoxyl, alkylthio, arylthio and cyano groups;R.sub.1 and R.sub.2 or R.sub.2 and R.sub.3 may join to form a ring.

Abstract: Compounds of the formula I are suitable as release compounds for photographically useful groups (photographic units). On reacting with nucleophilic reagents, preferably with dinucleophiles, the photographically useful group is released. ##STR1## In formula I: PUG means a photographically useful group;A means a strong electron acceptor;V means a vinylene group or two or more successive vinylene groups, wherein the vinylene group or two successive vinylene groups may form part of an aromatic ring system;L means one or more timing groups;m means 0 (zero) 1 or 2;n means 0 (zero), 1 or 2;R.sup.1 means H or methyl;R.sup.2 means H, alkyl with 1-18 C atoms or aryl;R.sup.3, R.sup.4 mean H or an organic group,wherein R.sup.2 and R.sup.3 may also together mean the residue necessary to complete a ring.

Abstract: The invention provides a multilayer color negative photographic film comprising a support, at least one light-sensitive silver halide layer sensitive to each of the blue, green and red regions of the visible spectrum and a yellow or orange-yellow methine dye of structure I, ##STR1## wherein: R.sub.1 is hydrogen or an alkyl group;R.sub.2 is an alkyl group or an aryl group;R.sub.3 is hydrogen, a halogen atom (such as chlorine or fluorine), an alkyl group, an alkoxy group or an aryloxy group;R.sub.4 is hydrogen or an alkyl group;R.sub.5 is hydrogen or an alkyl group;R.sub.6 is hydrogen or an alkyl group;X is oxygen or sulfur;each R.sub.7 is independently a substituent selected from the group consisting halogen atoms, and alkyl, aryl, alkoxy, aryloxy, carbonamido, sulfonamido, carbamoyl, alkoxycarbonyl, aryloxycarbonyl, acyloxy, acyl, sulfamoyl, sulfonyl, sulfoxyl, sulfonyloxy, alkylthio, arylthio, and cyano groups;n is 0, 1, 2 or 3; andR.sub.1 and R.sub.2 or R.sub.2 and R.sub.3 may join to form a ring.

Abstract: The invention provides a multilayer silver halide color negative photographic element comprising in the same layer a cyan dye of formula (I) and a ballasted stabilizer compound of formula (II), where the respective formulas are: ##STR1## andB--L--A--R (II)wherein:the substiuents are as defined herein the specification.

Abstract: A silver halide photographic light sensitive material is disclosed, comprising a support having thereon photographic component layers including a silver halide emulsion layer and a light insensitive hydrophilic colloidal layer, wherein at least one of the component layers contains a leuco dye represented by the following formula.

Abstract: A color photographic silver halide material which contains as photosensitive layers on a support at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, in which, above a photosensitive layer (seen from the support outwards), at least one further layer is provided which contains a colorless compound or combination of colorless compounds, which under processing conditions after exposure gives rise to a uniform, slight color density of a predetermined color and predetermined density over the entire surface, allows correction of the print densities without sensitivity being reduced.

Abstract: A silver halide color photographic material having at least one silver halide emulsion layer on a support is color developed after imagewise exposure, followed by desilverization, wherein the photographic material has a total dry film thickness of 8 to 22 .mu.m, the concentration of ammonium ions contained in a processing solution having fixing ability used in desilverization is 0 to 50 mol % based on the total cations, and the processing solution having fixing ability contains at least one kind of thioether compound, thereby improving desilverization performance in continuous processing and preventing yellow stains from increasing.

Abstract: A silver halide photographic material comprises at least one silver halide emulsion layer and at least one non-light-sensitive hydrophilic colloidal layer provided on a support. The silver halide emulsion layer or the hydrophilic colloidal layer contains a new dye represented by the formula (I): ##STR1## in which L is a single bond, a divalent aliphatic group, a divalent aromatic group or a combination thereof; A is an acidic nucleus; each of R.sup.1, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently is hydrogen or a substituent group; R.sup.2 is a substituent group; m is an integer of 0 to 4; n is 0 or 1; and X is an electron attractive group having a Hammett's substituent constant (.sigma..sub.m) of 0.3 to 1.5.

Abstract: Multilayer silver halide color photographic element comprising a support having thereon at least a blue sensitive silver halide emulsion layer containing a yellow dye-forming coupler, at least a green-sensitive silver halide emulsion layer containing a magenta dye-forming coupler, and at least a red-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, said red-sensitive layer containing a non-diffusible, cyan dye-forming magenta masking coupler.

Abstract: Multilayer silver halide color photographic element comprising a support having thereon at least a blue sensitive silver halide emulsion layer containing a yellow dye-forming coupler, at least a green-sensitive silver halide emulsion layer containing a magenta dye-forming coupler, and at least a red-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, said red-sensitive layer or a gelatin interlayer adjacent said red-sensitive layer containing a non-diffusible, non-coupling magenta colored azo dye.

Abstract: A photographic element containing a dye which when released from a coupler has a sufficiently low pKa, generally less than about 5, such that the dye remains substantially or fully ionized during coating of the film and in the produced film, results in an element containing a dye which has the desired hue without the use of additional additives, such as mordants, to keep the dye ionized. The dye is also useful in photographic elements without release from a coupler, for example, as a filter dye.

Abstract: There is described a photographic system wherein development of an exposed photosensitive element is carried out in the presence of an acylpyridine-N-oxide compound.

Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a support having on one side thereof hydrophilic colloid layers including a silver halide emulsion layer, wherein at least one of the hydrophilic colloid layers contains a dye represented by the following formula (1) ##STR1## wherein R.sub.1 is a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sub.2 is a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an acylamino group, a ureido group, an amino group, an acyl group, an alkoxy group, an aryloxy group, a hydroxy group, a carboxy group, a cyano group, a sulfamoyl group or a sulfonamide group; B is a five- or six-membered oxygen-containing heterocyclic group, or a six-membered nitrogen-containing heterocyclic group; L.sub.1, L.sub.2 and L.sub.

Abstract: There are described heat-developable photosensitive image-recording materials which include a compound having at least one cyclic 1,3-sulfur-oxygen moiety. The compound is stable in the photographic processing composition but capable of undergoing cleavage in the presence of an imagewise distribution of silver ions and/or soluble silver complex made available as a function of development to liberate a reagent in an imagewise distribution corresponding to that of the silver ion and/or the soluble silver complex. The reagent includes a photographically useful group such as a complete dye or dye intermediate.

Abstract: A heat-developable photosensitive material for use in diffusion transfer process is disclosed, comprising a support having in one or more layers a hydrophilic binder, photosensitive silver halide and dye-providing compound represented by the following formula,[A-(J.sub.1).sub.a -(X).sub.b ].sub.c -J.sub.2 -Dyewhich is capable of releasing [-(J.sub.1).sub.a -(X).sub.b ].sub.c -J.sub.2 -Dye residue upon cleavage in the presence of a silver ion or a soluble silver complex.

Abstract: A silver halide light-sensitive material containing a compound represented by formula (I): ##STR1## wherein variables in the above formula (I) are defined in the specification. The silver halide light-sensitive material has a small fluctuation in sensitivity even when the processing temperature changes and has an improved color reproduction and an excellent discrimination and can achieve low Dmin and high Dmax.

Abstract: A pyrrolotriazole azomethine dye represented by formula (I), (II) or (IV) is disclosed: ##STR1## Also, a heat transfer dye providing material is disclosed, in which the material includes a support having thereon a dye providing layer containing a heat migrating dye, with the dye providing layer containing at least one pyrrolotriazole azomethine dye represented by any of the above formulae (I), (II) and (IV).

Abstract: A heat-developable color light-sensitive material is described, which comprises a light-sensitive silver halide, a binder, a dye-donating compound and at least one compound represented by the following formula (I) on a support: ##STR1## wherein R.sub.1 represents an alkyl group having from 1 to 30 carbon atoms, an alkenyl group having from 2 to 30 carbon atoms, a cycloalkyl group having from 3 to 30 carbon atoms, or an aryl group having from 6 to 36 carbon atoms; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each independently represents a hydrogen atom, an alkyl group having from 1 to 30 carbon atoms, or an alkenyl group having from 2 to 30 carbon atoms; m represents an integer of from 0 to 10; and n represents 0 or 1; with the proviso that, when m is an integer of from 1 to 10, n is 0; when n is 1, m is 0; when m is an integer of from 2 to 10, the plurality of R.sub.2 groups may be the same or different, and the plurality of R.sub.3 groups may be the same or different; R.sub.1 and R.sub.2, R.sub.2 and R.sub.