Abstract: A photothermographic material having a support provided on at least one side of the support light-sensitive silver halide particles, an organic silver salt and a reducing agent, as well as a leuco dye of a specific structure and a compound of a specific structure.

Abstract: A near-infrared fluorescing contrast medium which exhibits superior imaging capability and is also difficult to accumulate in a living body, is disclosed, comprising a cyanine compound containing water-solubilizing groups and represented by the following formula. The imaging method by use thereof is also disclosed.

Abstract: A photothermographic material having a support provided on at least one side of the support light-sensitive silver halide particles, an organic silver salt and a reducing agent, as well as a leuco dye of a specific structure and a compound of a specific structure.

Abstract: A photothermographic imaging material having a support; a photosensitive layer containing photosensitive silver halide particles on one face of the support; and a non-photosensitive layer provided on a side of the support where the photosensitive layer is provided. At least one of the photosensitive layer and the non-photosensitive layer contains an organic silver salt, a reducing agent, a compound represented by the Formula (1) and a compound represented by the Formula (2a).

Abstract: A photothermograpahic material is disclosed having light-sensitive silver halide grains, an organic silver salt, a reducing agent and a binder, wherein the photothermographic material comprises a silane compound represented by formula (1) or (2): formula (1) (R1O)m—Si—[ (L1)xR2]n formula (2) wherein R1, R2, R3, R4, R5, R6, R7 and R8 represent each an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; L1, L2, L3 and L4 represent each a bivalent linkage group; m and n are each an integer of 1 to 3, provided that m+n is 4; p1 and p2 are each an integer of 1 to 3 and q1 and q2 are each 0, 1 or 2, provided that p1+q1 and p2+q2 are each 3; r1 and t are each 0 or an integer of 1 to 1000; and x is 0 or 1. The photothermographic material is used on a support.

Abstract: 1. A photothermographic material is disclosed, comprising on a support light sensitive silver halide grains, an organic silver salt, a reducing agent and a binder, wherein the photothermographic material comprises a silane compound represented by the following formulas.

Abstract: A thermally developable material is disclosed. The material comprises a support both surfaces which are covered with a resin thermal shrinkage ratio of not more than 0.02% at 150° C. for 30 minutes, and an image forming layer comprising an organic silver. The thermally developable material is advantageous in transparent without staining and size repetition accuracy.

Abstract: Disclosed are a method for processing a black-and-white light-sensitive silver halide photographic material containing at least one kind of a tetrazolium compound or a hydrazine compound with a developing solution containing a polyhydroxybenzene type developing agent, wherein the developing solution is a developing solution prepared by using a solid processing agent, a solid processing agent for a black-and-white light-sensitive silver halide photographic material containing a tetrazolium compound or a hydrazine compound comprising a polyhydroxybenzene type developing agent and a solid processing agent for a black-and-white light-sensitive silver halide photographic material containing a tetrazolium compound or a hydrazine compound comprising a thiosulfate fixing agent and water in an amount of 300% or less based on an amount of the thiosulfate fixing agent.

Abstract: The improved silver halide photographic material comprises a support having an antistatic coating thereon that contains a water-soluble conductive polymer, hydrophobic polymer particles and a curing agent which is a bifunctional ethylene oxide type curing agent that is to be cured by exposure to electron beams or X-rays. This silver halide photographic material may contain a tetrazolium compound or a hydrazine compound in order to prevent desensitization due to aging. At least one hydrophilic colloidal layer may be provided on the antistatic coating, which colloidal layer contains an epoxy curing agent having a hydroxy group.

Abstract: A silver halide photographic light-sensitive material is disclosed, which is inhibited in forming pin-holes in a phgotomechanical processes. The light-sensitive material comprises a support on a surface of which an electric conductive layer is provided. The electric conductive layer comprises a polymer having an aromatic ring or a heterocyclic ring each having a sulfonic acid group or a salt bonding to the aromatic or heterocyclic ring directly or through a divalent group, and a latex. This layer has a swelling degree of from 0.2 percent to 300 percent.

Abstract: A silver halide photographic light-sensitive material is disclosed, which is suitable for contact printing in photomechanical process and capable of being handled in day-light room. The light-sensitive material comprising a support; a silver halide emulsion layer being provided on a surface of the support and containing a tetrazolium compound or a hydrazine compound; a layer containing a tin oxide or an indium oxide and being provided on the surface of the support opposite to the surface the emulsion layer provided thereon; and a layer containing a homopolymer or a copolymer comprising sodium styrenesulfonate, and being provided directly or through an intermediate layer on the surface of the metal oxide containing layer further to the support. The light-sensitive material is excellent in reverse-text quality and inhibited in formation of pin-holes.

Abstract: Disclosed is a light-sensitive silver halide photographic material comprising a transparent support and provided thereon a silver halide emulsion layer, wherein the support is subjected to corona discharge treatment on its surface opposite to the side on which the emulsion layer is provided, and is provided thereon with a subbing layer containing a latex polymer, a non-gelatin layer containing a conductive polymer, and a gelatin layer containing a conductive polymer and a backing dye, in this order. The light-sensitive silver halide photographic material obtained by this invention can be handled in a roomlight environment when used as a light-sensitive material particularly in the field of printing plate making or the like, has a superior antistatic ability and a high sensitivity, and yet can obtain a photographic image with a high contrast, and also can stably obtain a halftone with a high quality and less fog.

Abstract: A processing method for silver halide photographic material is disclosed, which stably provides images having high contrast and high dot quality with little degradation in sensitivity by rapid processing.

Abstract: A silver halide photographic light-sensitive material is disclosed, which is suitable for contact printing in photomechanical process and capable of being handled in daylight room. The light-sensitive material comprises a support having thereon a silver halide emulsion layer containing a silver halide emulsion and a hydrazine compound or a tetrazolium compound, a layer being provided on the surface of said emulsion layer farther from said support and containing a compound having a maximum spectral absorption at a wavelength of at least 50 nm longer than that of the maximum spectral sensitivity of said silver halide emulsion, and a layer being interposed between said support and said emulsion layer and containing a macromolecular compound having a heterocyclic group having a sulfo group or an alkylsulfo group. The light-sensitive material is excellent in reverse-text quality and inhibited in formation of pin-holes.

Abstract: A silver halide photographic material having, in a hydrophilic colloid layer, silver halide grains of a dual structure with core and shell which have been ripened without fogging is disclosed. The outermost shell portion of each of the grains has a silver halide composition such that it contains a rhodium atom and at least 80 mol % of silver chloride. The contents of silver chloride and rhodium in the outermost shell portion of each grain are greater than those for the core.

Abstract: Herein are disclosed a light-sensitive silver halide photographic material comprising a support and, coated thereon, a hydrophilic colloid layer or layers including a silver halide emulsion layer, at least one of said hydrophilic colloid layer or layers containing a 1H-tetrazolium compound, and an image-forming method which comprises processing a light-sensitive silver halide photographic material mentioned above.The light-sensitive silver halide photographic material and the image-forming method according to the present invention can provide a high contrast silver image and a clear dot quality.

Abstract: A novel method of forming high contrast silver images is provided. The method comprises steps of (1) imagewisely exposing a light-sensitive silver halide photographic material, and (2) treating the exposed material with a developer having superadditivity. The method is characterized by the co-existence of an oxidizing agent, and a water-insoluble ion pair formed by a water-soluble cationic compound such as quaternary ammonium or tertiary sulfonium salt and a water-soluble anionic compound such as organic sulfate. The method realizes high contrast photographic images by using a developer having a good preservability, without contamination of the developer, within a short period of time for the development. There is also provided a light-sensitive silver halide photographic material herein.

Abstract: A light-sensitive silver halide photographic material comprising a combination of a salt of tetrazolium containing only a non-metallic anion and a salt of tetrazolium containing a metallic anion.

Abstract: Disclosed is a light-sensitive silver halide photographic material having a hydrophilic colloid layer containing at least one layer of a light-sensitive silver halide emulsion layer provided on a support, wherein a hydrazide derivative is contained in the light-sensitive silver halide emulsion layer, and the above hydrophilic colloid layer contains at least one of the compounds represented by Formulae [II] and [III] shown below: ##STR1## wherein R1, R2 and R3 are as defined in the specification, ##STR2## wherein R1 and R2 are as defined in the specification.

Abstract: There is disclosed a light-sensitive silver halide photographic material which comprises, in a light-sensitive silver halide photographic material provided by coating at least one layer of hydrophilic colloidal layer including light-sensitive silver halide photographic emulsion layer on a support, containing a specific hydrazide derivative in the light-sensitive silver halide emulsion layer and containing, in the hydrophilic colloidal layer, at least one compound selected from each of the groups A and B consisting of the compounds represented by the formulae (II) to (VII) as specified in the specification.