Abstract: A light-sensitive material is described, comprising a support having provided thereon a light-sensitive layer containing at least a light-sensitive silver halide, a developing agent, a polymerizable compound, a color image forming substance, and a hydrazine derivative represented by at least one of the following formula (I) and a hydrazine derivative represented by the following formula (II), in which said color image forming substance is immobilized by imagewise exposure to light, followed by heat development under conditions substantially not containing water: ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl, aralkyl, aryl, alkenyl, alkynyl, or heterocyclic group; and R.sub.2 represents a hydrogen atom or a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, aryl, alkenyl, alkynyl, heterocyclic, alkoxy, aryloxy, alkylthio, arylthio, or amino group; ##STR2## wherein R.sub.

Abstract: The coating method contains a spraying step in which a paint is sprayed at least on a coating substrate extending in an upward and downward direction to a film thickness thicker than causing sags of the sprayed paint. The coating substrate on which the paint is sprayed is rotated about the horizontal axis while the sprayed paint is dried until it does not sag any more.The coating apparatus includes a carriage conveying the coating substrate arranged to run along the conveying direction, and the carriage is provided with a supporting base for supporting the coating substrate rotatively about the horizontal axis. One embodiment for rotating the substrate supported by the supporting base is a spring that is disposed on the carriage to rotate the substrate by means of a restoring force produced by the spring. On the passage for conveying the carriage is disposed a force storing mechanism for storing the restoring force in the spring that released the restoring force.

Abstract: A photographic element comprising particulate benzoguanamine-formaldehyde condensation polymer is improved in writability and anti-adherence while maintaining photographic properties. A photographic element, particularly a dye-fixing element comprising a dye-fixing layer on one surface of a support and a hydrophilic colloid-containing back layer on the other surface of the support is improved in image density variation and anti-adherence when the back layer contains at least about 0.002 cm.sup.3 /m.sup.2 of particles having a particle size of more than about 10 .mu.m.

Abstract: A heat-developable photosensitive material having, on a support, a layer comprising a binder, a light-sensitive silver halide, a reducing agent, and at least one compound selected from cyclic imino compounds or mercapto compounds, which can produce images of high quality by heat development when said light-sensitive silver halide is selected from the group consisting of silver chloride, silver bromide, silver chlorobromide, mixed crystals of silver iodide and silver chloroiodide, mixed crystals of silver iodide and silver iodobromide, and mixed crystals of silver iodide and silver chloroiodobromide.

Abstract: An image forming apparatus for fixing an image on a dye-fixing element in accordance with image information in a photosensitive element is provided which comprises a storage for storing a dye-fixing element, another storage for storing a support, and means for bonding the dye-fixing element to the support. The apparatus operates to take the dye-fixing element and the support out of their storages and to feed them to the bond means where the dye-fixing element is bonded to the support. The dye-fixing element usually has an adhesive layer of a self-adhesive or hot-melt adhesive composition.

Abstract: A photographic element comprising particulate benzoguanamine-formaldehyde condensation polymer is improved in writability and anti-adherence while maintaining photographic properties. A photographic element, particularly a dye-fixing element comprising a dye-fixing layer on one surface of a support and a hydrophilic colloid-containing back layer on the other surface of the support is improved in image density variation and anti-adherence when the back layer contains at least about 0.002 cm.sup.3 /m.sup.2 of particles having a particle size of more than about 10 .mu.m.

Abstract: A process for forming a color image comprising exposing and heating a light-sensitive material comprising a support having thereon a light-sensitive silver halide, a binder and a compound capable of forming or releasing a mobile dye chemically in connection with reduction of the silver halide into silver upon heating, transferring and fixing the thus formed or released mobile dye to a dye fixing layer, and then separating the portion having the silver halide and the compound capable of forming or releasing a mobile dye and the portion having the dye fixing layer from each other, and wherein polyvinyl alcohol is present in at least one surface layer of the light-sensitive material and the dye fixing layer being separated is disclosed.

Abstract: A process for forming an image comprising imagewise exposing a light-sensitive element comprising a support having thereon at least a light-sensitive silver halide, a binder, and a dye providing substance which produces or releases a mobile dye corresponding or counter-corresponding to a reaction where said light-sensitive silver halide is reduced to silver at an elevated temperature, and subsequently or simultaneously heating said light-sensitive element in the presence of at least one of a base and precursor thereof, and thereby transferring said mobile dye thus produced or released to a dye fixing element, wherein a coated layer of said dye fixing element has been hardened with an epoxy hardener.

Abstract: A method for forming an image is described, comprising developing a photosensitive element which comprises a support provided thereon a photosensitive layer containing at least a photosensitive silver halide, a binder, and a dye providing substance which forms or releases a diffusible dye by developing after or simultaneously with imagewise exposure thereof, transferring the thus-formed or released diffusible dye to a dye fixing layer of a dye fixing element, and thereafter separating said photosensitive element and said dye fixing element from each other, wherein at least one layer constituting said photosensitive element and said dye fixing element contains an oil component.

Abstract: A heat-developable light-sensitive material is described, comprising a support having provided thereon at least(a) a binder;(b) a light-sensitive silver halide;(c) at least one silver salt of a compound represented by formula (I) or (II) ##STR1## wherein Z represents a non-metallic atomic group forming a heterocyclic ring together with the nitrogen atom,A--C.tbd.

Abstract: A heat-developable light-sensitive material is described, comprising a support having thereon at least (1) a light-sensitive silver halide, (2) a silver salt oxidizing agent, (3) silver salt particles having adsorbed thereon at least one compound selected from a cyclic imino compound represented by formula (I) described below and a mercapto compound represented by formula (II) described below, (4) a reducing agent, and (5) a binder.Formula (I) is represented by ##STR1## wherein Z represents a non-metallic atomic group forming a heterocyclic ring containing an imino group together with the nitrogen atom of formula (I).Formula (II) is represented byR--S--M (II)wherein M represents a hydrogen atom or an alkali metal atom; and R represents a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted aromatic hydrocarbon group, or a substituted or unsubstituted heterocyclic group.

Abstract: A dye-fixing material having a dye-fixing layer which functions so as to fix a mobile hydrophilic dye by applying heat thereto, which dye is formed in an imagewise distribution by exposing to an imagewise pattern of light a heat developable light-sensitive material capable of forming the mobile hydrophilic dye by the reaction with a light-sensitive silver halide upon heating under a substantially water-free condition and subsequently or simultaneously, by heating the light-sensitive material; with the dye-fixing material comprising a support having provided thereon a single or a multiple layer which contains at least (a) a dye-fixing agent and (b) such a compound as to react with or adsorb a silver halide and therethrough, as to function as a development stopper and/or an antifoggant.

Abstract: A heat developable photosensitive material having on a support, a light-sensitive layer containing a light-sensitive silver halide, silver salt grains having a dissolution retarder adsorbed thereto, a reducing agent, and a binder. This material can provide high image density and low fog density and has excellent keeping quality.

Abstract: A heat developable light-sensitive material is disclosed which is provided with a protective layer comprising, as a major constituent, a nonionic, hydrophilic polymer. On heat developing the light-sensitive material, a mobile dye image is formed which can be transferred to a dye fixing material superposed on the light-sensitive material. After the transfer of the dye image, the light-sensitive material can be readily separated from the dye fixing material due to the presence of the protective layer, and thus a sharp image can be formed in the dye fixing material.

Abstract: In heat developable photographic system of dry procedure, color images are formed by imagewise exposing and then heating a light-sensitive material comprising a support having provided thereon a light-sensitive layer containing silver halide, a binder, and a compound capable of producing or releasing, upon reduction of light-sensitive silver halide to silver at elevated temperatures, a mobile dye, as a direct or inverse function of the reduction reaction, allowing the produced or released mobile dye to migrate into a dye-fixing material having incorporated therein a hydrophilic thermal solvent and fixing the dye thereto, then separating the light-sensitive material from the dye-fixing material, with a fluorine-containing surfactant being incorporated in at least one of the uppermost layers on the contacting sides of the light-sensitive material and of the dye-fixing material.

Abstract: A heat-developable light-sensitive material containing a light-sensitive silver halide and an organic silver salt oxidizing agent is disclosed. The material can imagewise produce a movable silver salt under a high temperature condition in the presence of a reducing agent and a silver halide solvent.

Abstract: A novel process for transferring a diffusible dye to a dye fixing material by the steps of (a) applying water to a dye fixing material at least having a mordant and a binder on a support, (b) attaching the dye fixing material to a diffusible dye-containing material, and (c) heating the attached materials to transfer the dye from the dye-containing material to the dye fixing material, wherein the binder contains a cross-linked hydrophilic polymer and a non-cross-linked hydrophilic polymer and the amount of water applied to the dye fixing material is not more than the amount required to maximally swell the layer coated on the dye fixing material.The dye fixing material of the present invention is capable of absorbing a sufficient amount of water in a short period of time, in the process of the present invention, to provide a dye-transferred image of high density in the dye fixing material after heating for a short time, which is substantially free from mottle or color bleeding.

Abstract: A dye fixing material for fixing a mobile hydrophilic dye formed imagewise to a dye fixing layer is disclosed. The mobile hydrophilic dye image is formed by heating a heat-developable silver halide light-sensitive material in a substantially anhydrous condition after or during imagewise exposure. At least one layer of the dye fixing material contains a polymer having monomeric units of the following formula ##STR1## wherein A represents a vinyl monomer unit having no imidazole or imidazolium group, R.sub.1 and R.sub.3 represent a hydrogen atom, an alkyl group, an alkyl group substituted by a group capable of forming a coordinate bond with a metal, or a salt thereof, R.sub.2 and R.sub.5 represent a hydrogen atom or an alkyl, aralkyl, or aryl group, R.sub.4 represents an alkyl or aralkyl group, X.sup..crclbar. represents an acid radical, x is from 0 to 80 mole %, y is from 10 to 100 mole %, z is from 0 to 50 mole %.

Abstract: A process for forming an image which comprises heating a light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a binder and a dye releasing redox compound which is reductive to the light-sensitive silver halide and capable of releasing a hydrophilic dye upon reaction with the light-sensitive silver halide by heating, after imagewise exposure or simultaneously with imagewise exposure, in a substantially water-free condition in the presence of a compound represented by the formula (A): ##STR1## wherein R.sup.1 represents a hydrogen atom or a monovalent or divalent aliphatic group; R.sup.2 and R.sup.3, which may be the same or different from each other, each represents a hydrogen atom, an aliphatic group or an aromatic group; R.sup.1 and R.sup.2 may be taken together to form a heterocyclic ring; R.sup.2 and R.sup.3 may be taken together to form a heterocyclic ring; and n represents 1 or 2, to imagewise form a mobile dye is disclosed.

Abstract: A heat developable color photographic light-sensitive material is described, comprising(1) a light-sensitive silver halide,(2) a hydrophilic binder,(3) a dye releasing compound having an ability to reduce exposed light-sensitive silver halide and capable of reacting with the exposed silver halide upon heating, thereby releasing a mobile dye, and(4) a sulfonamide compound represented by the formulaR.sub.0 --SO.sub.2 NH.sub.2wherein R.sub.0 represents an alkyl group, an alkenyl group, an alkynyl group containing at least 4 carbon atoms, an aralkyl group, an aryl group or a heterocyclic ring group, provided that the heterocyclic ring group is linked to --SO.sub.2 NH.sub.2 through a carbon atom contained in the ring thereof.