Abstract: A silver halide color photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a silver halide emulsion layer containing silver halide grains each containing an iridium compound and a compound containing iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium or platinum; elemental sulfur; and two kinds of specified monomethine cyanine sensitizing dyes. The light sensitive material is improved in the reciprocity law failure property and the sensitivity fluctuation due to variation of atmosphere humidity.

Abstract: A radiation sensitive emulsion is disclosed containing a silver halide grain population comprised of at least 50 mole percent chloride, based on silver, in which greater than 50 percent of the total grain projected area is accounted for by ultrathin tabular grains having a {111} crystal face stabilizer adsorbed to the major faces of the ultrathin tabular grains.

Abstract: A new class of electron-accepting compounds for photographic emulsions is disclosed represented by following general formula (I): ##STR1## wherein: each of Z and Q which may be the same or different represents the atoms necessary to complete an unsubstituted or substituted nitrogen-containing heterocyclic ring;each of T.sub.1 and T.sub.2 which may be the same or different represents alkyl, cycloalkyl, alkoxy, aryl, aryloxy, halogen, cyano, hydroxy, carboxyl, sulfo, carbamoyl, acyl, acylamino, sulfamoyl, sulfonamido or a benzocondensed ring, each of which can be further substituted or not;q=1, 2 or 3, and p and r=0, 1 or 2.In this formula the nitro containing heterocyclic nucleus is preferably nitropyridine or nitrothiazole.In a preferred embodiment of the invention electron-accepting compounds are incorporated in negative or direct positive roomlight emulsions. In the latter case the emulsion layer preferably contains in addition a nitroindazole or nitrobenzimidazole derivative.

Abstract: A method for preparing a silver halide emulsion containing silver halide grains comprising(i) preparing a mixture by mixing a compound represented by the following Formula (1) or (2), and a gold compound; and(ii) performing chemical ripening of the emulsion by adding said mixture thereto: ##STR1## wherein M, R, V and W independently represent a hydrogen atom or a substituent group; V and W may combine with each other to form a ring.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide photographic material contains at least one compound represented by formula (I): ##STR1## wherein ED represents a group capable of releasing (Time).sub.t -Ind upon a reaction with an oxidation product of a developing agent; Time represents a divalent linking group; t represents 0 to 1; and Ind represents a group represented by formula (II): ##STR2## wherein X represents a monovalent group; and s represents an integer of from 0 to 4.The compound represented by formula (I) is excellent in preservability and rapidly releases a development inhibitor.The silver halide photographic material provides an ultrahigh contrast image using a highly stable developing solution and is particularly suitable for use in photomechanical processes.

Abstract: Disclosed in a color photograph containing a storability-improving compound capable of forming a chemical bond with an aromatic amine series color developing agent that remains in a photographic material after having been processed for color development to give a chemically inactive and substantially colorless compound in at least one photographic layer on a support. Also disclosed is a method for preparation of color photographs wherein a photographic material containing a silver halide emulsion layer and a color image-forming coupler capable of forming a dye by an oxidation-coupling reaction with an aromatic amine series color developing agent, as coated on a support, is imagewise exposed to light and then subjected to photographic processing, comprising carrying out the photographic processing in the presence of the afore described storability-improving compound.

Abstract: A silver halide color photographic material is disclosed, which comprises a support having thereon a photographic layer containing at least one compound represented by formula (I): ##STR1## wherein each of R.sub.01, R.sub.02 and R.sub.03, which may be the same or different, represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group; R.sub.01 and R.sub.02, R.sub.02 and R.sub.03, and R.sub.01 and R.sub.03 may be combined with each other, provided that all of R.sub.01, R.sub.02 and R.sub.03 are not hydrogen atoms at the same time; each of X.sub.01, X.sub.02 and X.sub.03, which may be the same or different, represents a mere bond, --O--, --S-- or ##STR2## and R.sub.04 has the same meaning as R.sub.01.

Abstract: A light-sensitive silver halide photographic material comprising a support and provided thereon at least one silver halide emulsion layer containing a pyrazolo azole magenta dye-forming coupler represented by general formula M-I; ##STR1## (wherein Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a substituent capable of being split off upon reaction with an oxidation product of a color developing agent; and R represents a hydrogen atom or a substituent), to said silver halide emulsion layer an elementary sulfur having been added at an arbitrary timing before the formation of said silver halide emulsion layer on said support.

Abstract: A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the silver halide photographic material contains at least one photographic agent represented by the following formula (I): ##STR1## wherein X represents a hydrogen atom or a group capable of forming a hydrogen atom upon hydrolysis; Time represents a divalent linking group; PUG represents a photographically useful group; V represents ##STR2## wherein R.sub.0 represents n alkoxy group or an aryloxy group, ##STR3## an iminomethylene group or ##STR4## R.sub.1 represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an alkoxy group, an aryloxy group, an amino group or --CHR.sub.2 --(Time).sub.m PUG; R.sub.2 represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group; m represents 0 or 1; and n represents 0 or 1.

Abstract: Disclosed is an autopositive silver halide photographic material which comprises at least one silver halide emulsion layer, characterized in that said emulsion layer or at least one other hydrophilic colloid layers contains at least one compound selected from the group consisting of compounds represented by the following general formulas (1), (2) and (3): ##STR1## wherein R.sub.1 represents hydrogen atom or an alkyl group; and R.sub.2, R.sub.3 and R.sub.4 each represents hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; ##STR2## wherein R.sub.5 represents hydrogen atom or an alkyl group; and R.sub.6 and R.sub.7 each represents hydrogen atom, an alkyl group, a halogen atom or an aryl group; ##STR3## wherein R.sub.8 represents a lower alkylene group; X represents a halogen atom, nitro group, hydroxy group, a cyano group, a lower alkyl group, a lower alkoxy group, ##STR4## or --SO.sub.3 M; R.sub.12 represents hydrogen atom, --OM, a lower alkyl group, a lower alkoxy group or ##STR5## R.sub.

Abstract: A process of preparing a radiation sensitive high chloride high aspect ratio tabular grain emulsion is disclosed wherein silver ion is introduced into a gelatino-peptizer dispersing medium containing a stoichiometric excess of chloride ions with respect to the silver ions further characterized by a chloride ion concentration of less than 0.5 molar, a pH of at least 4.6, and a triaminopyrimidine grain growth modifier containing mutually independent 4, 5 and 6 ring position amino substituents, the 4 and 6 ring position substituents being hydroamino substituents.

Abstract: A process of preparing a radiation sensitive high chloride high aspect ratio tabular grain emulsion is disclosed wherein silver ion is introduced into a gelatino-peptizer dispersing medium containing a stoichiometric excess of chloride ions a chloride ion concentration of less than 0.5 molar and a grain growth modifier of the formula: ##STR1## where Z.sup.2 is --C(R.sup.2).dbd. or --N.dbd.;Z.sup.3 is --C(R.sup.3).dbd. or --N.dbd.;Z.sup.4 is --C(R.sup.4).dbd. or --N.dbd.;Z.sup.5 is --C(R.sup.5).dbd. or --N.dbd.;Z.sup.6 is --C(R.sup.6).dbd. or --N.dbd.;with the proviso that no more than one of Z.sup.4, Z.sup.5 and Z.sup.6 is --N.dbd.;R.sup.2 is H, NH.sub.2 or CH.sub.3 ;R.sup.3, and R.sup.4 and R.sup.5 are independently selected, R.sup.3 and R.sup.5 being hydrogen, hydroxy, halogen, amino or hydrocarbon and R.sup.4 being hydrogen, halogen or hydrocarbon, each hydrocarbon moiety containing from 1 to 7 carbon atoms; andR.sup.6 is H or NH.sub.2.

Abstract: A process is disclosed of preparing an emulsion for photographic use comprising forming in the presence of an xanthinoid grain growth modifier an emulsion comprised of silver halide grains and a gelatino-peptizer dispersing medium in which morphologically unstable tabular grains having {111} major faces account for greater than 50 percent of total grain projected area and contain at least 50 mole percent chloride, based on silver. After the emulsion is formed, the pH of the emulsion is lowered to inactivate xanthinoid grain growth modifier, and the inactivated xanthinoid is replaced on the tabular grain surfaces by adsorption of a photographically useful compound chosen to contain at least one divalent sulfur atom, thereby concurrently morphologically stabilizing the tabular grains and enhancing their photographic utility.

Abstract: A process is disclosed of preparing a high chloride tabular grain emulsion for photographic use. An emulsion comprised of silver halide grains and a gelatino-peptizer dispersing medium in which morphologically unstable tabular grains having {111} major faces account for greater than 50 percent of total grain projected area and contain at least 50 mole percent chloride, based on silver, is formed in the presence of at least one 2-hydroaminoazine or xanthinoid morphological stabilizer adsorbed to surfaces of the tabular grains. Chemical sensitization of the emulsion and protonation of the morphological stabilizer are performed at least in part concurrently. Termination of protonation of the morphological stabilizer retains a portion of the morphological stabilizer on the surfaces of the chemically sensitized tabular grains.

Abstract: The invention relates to a novel process for the chemical sensitization of silver halide photographic emulsions.The process according to the invention comprises adding as additional sensitizing agents a 40-260 .mu. moles/mole of a cyclic polyether containing 1 nitrogen and 5 oxygen atoms, or 2 nitrogen and 4 oxygen atoms, or 3 nitrogen and 3 oxygen atoms, or 4 nitrogen and 2 oxygen atoms as well as 12 carbon atoms and/or their complexes formed with gold and/or palladium and optionally 40-260 .mu. moles/mole of silver halide) of gold (I) or gold (III) sulfide to the sulfur-sensitized emulsion, and employing the cyclic polyether in relation to the noble metal salt in a molar ratio of 0.5:1-5:1 for the complex formation.

Abstract: A new class of photographic stabilizers is prepared and their use in photographic materials is disclosed. These compounds are 1-phenyl-3-pyrazolidinone derivatives corresponding to following general formula: ##STR1## wherein: A represents a group capable of adsorbing at the surface of silver halides;L is a divalent linking group and r is 0 or 1;R1 and R2 each represent hydrogen, lower alkyl or substituted lower alkyl.The photographic materials containing the substances of the invention are preferably DTR mono-sheet elements which after processing can serve as planographic printing plates.

Abstract: An improved silver halide photographic material that has at least one silver halide emulsion layer on a support and that contains a hydrazine derivative in said emulsion layer or an adjacent layer. The improvement is that said emulsion layer or at least one of the other hydrophilic colloidal layers contains at least one of the compounds represented by the following general formulas (I) and (II): ##STR1## wherein R.sub.1 and R.sub.1 ' are each a group selected from among a substituted or unsubstituted alkane residue, an alkene residue, a benzene residue, a cyclohexane residue and a nitrogenous heterocyclic residue; R.sub.2 is a substituted or unsubstituted alkyl group; R.sub.3, R.sub.3 ', R.sub.4 and R.sub.4 ' are each a hydrogen atom or a substituted or unsubstituted methyl group, provided that R.sub.3 and R.sub.4 or R.sub.

Abstract: There is disclosed a silver halide photographic light-sensitive material comprising a support and provided thereon, at least one silver halide light-sensitive layer spectrally sensitized by adding a spectral sensitizing dye during at least one process selected from a grain formation process, a physical reopening process and a desalting process, wherein said light-sensitive material contains at least one selected from the compounds represented by following Formula A: ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aralkyl group, an alkoxy group, an aryl group, a heterocyclic group, a carbamoyl group, a thiocarbamoyl group, and a sulfamoyl group; R.sub.2 and R.sub.3 represent independently a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an aryl group, a cyano group, an alkylthio group, an arylthio group, an alkylsulfoxide group, an alkylsulfonyl group, and a heterocyclic group, provided that R.sub.2 and R.sub.

Abstract: A novel silver halide photographic material is described, comprising a compound represented by formula (I): ##STR1## wherein Q represents a nonmetallic atomic group required to be connected to carbon atom and nitrogen atom to form a monocyclic or condensed heterocyclic ring therewith; L represents a divalent group; n represents an integer of 0 to 2; M.sup.1 represents a hydrogen atom, ammonium ion or metallic ion; and R.sup.1 and R.sup.2 each represents a hydrogen atom, alkyl group, ammonium ion or metallic ion and may be the same or different or may be connected to each other to form a 5- or 6-membered ring. In a preferred embodiment, at least one of R.sup.2 and R.sup.1 represents a hydrogen atom, ammonium ion or metallic ion.

Abstract: A halogen acceptor according to general chemical formula (I) is added to a photographic negative roomlight emulsion, consisting of at least 90% of silver chloride, having an average grain size smaller than 0.3 micron, and internally doped with an element of group VIII of the periodic table. ##STR1## In this formula: R.sup.1 =alkyl having at least 4 C-atoms, preferably between 4 and 9.In the coated emulsion layer, the halogen acceptors of the invention provide a clear print-out effect and an improved development latitude when the emulsion layer is developed in a "hard-dot Rapid Access" processing system.In a preferred embodiment R=--C.sub.6 H.sub.13 and the element of group VIII is Rhodium.

Abstract: Disclosed is a heat-developable color photographic material containing a compound represented by Formula (1) shown below: ##STR1## wherein X represents a halogen atom, and Y represents a group of nonmetallic atoms necessary for forming a nitrogen-containing heterocyclic ring bearing on the ring at least one substituent having 4 or more carbon atoms.Disclosed is also a process for forming an image on a heat-developable color photographic material, which comprises carrying out heat-development processing in the presence of the compound represented by Formula (1) mentioned above.

Abstract: A direct positive photosensitive material composed of a support having thereon at least one photosensitive emulsion layer comprising non-prefogged internal latent image silver halide grains and at least one compound represented by formulae (I), (II), (III) or (IV): ##STR1## wherein M.sub.1 represents hydrogen, a cation or a protective group capable of being cleaved by an alkali; and Z represents an atomic group necessary for forming a 5-membered or 6-membered substituted or unsubstituted ring selected from a heterocyclic ring and a condensed heterocyclic ring; ##STR2## wherein Z.sub.1 represents an alkyl group containing from 1 to 18 carbon atoms, an aryl group containing from 6 to 18 carbon atoms or a heterocyclic group; Y.sub.1 and Y.sub.2, which may be the same or different, each represents an atomic group necessary for forming an aromatic ring containing from 6 to 18 carbon atoms or a heterocyclic ring; M represents a metal atom or an organic cation; and n is an integer of 2 to 10.

Abstract: Compounds which contain at least one group of the formula I ##STR1## in which X is a group which completes the ring to form a piperidine ring, are effective stabilizers for organic materials against damage by light, oxygen and heat.

Abstract: A silver halide photographic material that contains at least one compound represented by the general formula (2) shown below and at least one compound selected from the group consisting of the compounds represented by the general formulas (3) and (4) shown below: ##STR1## The constituents in the above formulas are clearly defined in the instant specification and claims.

Abstract: Radiation sensitive thermally developable imaging elements comprise:(a) photosensitive silver halide,(b) light insensitive silver salt oxidizing agent,(c) reducing agent for silver ions, and(d) an antifoggant or speed enhancing compound comprising iodophthalazinone compounds. The antifoggants are effective in reducing spurious background image densities.

Abstract: A process or the preparation of a silver halide photographic emulsion is provided which comprises the addition of at least one pendant type spectral sensitizing dye containing as a substituent a compound having the effect of inhibiting fog at any time after the formation of silver halide grains, but before the completion of the chemical ripening process. In a preferred embodiment, the addition of said pendant type spectral sensitizing dyes is effected at any time after the formation of silver halide grains, but before former one second of the total time of the chemical ripening process. The pendant type spectral sensitizing dyes are compounds represented by the general formula (III) or (IV): ##STR1## wherein SSD represents a sensitizing dye portion; AF represents a compound portion containing a saturated or unsaturated 5- to 7-membered ring containing at least one nitrogen atom; L.sup.1 represents a divalent connecting group containing at least one of C, N, S and O; L.sup.2 has the same meaning at L.sup.

Abstract: There is disclosed a thermal developing light-sensitive material comprising a support and, provided thereon, photographic structural layers comprising at least one layer containing light-sensitive silver halide, said photographic structural layer comprising a compound represented by general formula (1);Formula (1)X.sub.1 --L.sub.1 --Awherein X.sub.1 represents a residual group of a photographic restrainer, L.sub.1 is a mere bonding hand or a divalent group and A is selected from the group consisting of a hydrogen atom, an amino group, a hydroxyl group, a carboxyl group or a salt thereof, a sulfo group or a salt thereof and a sulfin group or a salt thereof;and a compound represented by general formula (2);Formula (2)X.sub.2 --L.sub.2 --Bwherein X.sub.2 represents a residual group of a photographic restrainer, L.sub.2 is a divalent group and B is a ballast group.

Abstract: A silver halide color photosensitive material is disclosed. The photosensitive material comprises a support and a photographic layer. According to the present invention, the photographic layer contains a heterocyclic compound. The heterocyclic compound is, for example, represented by the following formula [I]: ##STR1## in which n is 1, 2 or 3; and each of Ra and Rb independently is an acyl group, a sulfonyl group, a sulfinyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a phosphoryl group, a sulfamoyl group or a carbamoyl group. The other heterocyclic compounds represented by the formulas [II], [III], [IV], [V], and [VI] are also disclosed.

Abstract: A light-sensitive silver halide photographic material comprising a support having at least one silver halide emulsion layer thereon, wherein at least one said silver halide emulsion layer contains silver halide grains having a silver chloride content of not less than 80 mol %, a magenta dye-forming coupler represented by Formula (M-I), and at least one compound in accordance with Formulas (A) and (B); ##STR1## wherein the substituents are as defined in the specification.

Abstract: A silver halide color photographic material comprising a support having thereon at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer, where the red-sensitive halide emulsion layer contains a dispersion of oleophilic fine particles which is obtained by emulsifying or dispersing a solution containing at least one cyan coupler represented by the general formula (I) and at least one water-insoluble and organic solvent-soluble homopolymer or copolymer, the green-sensitive silver halide emulsion layer contains at least one magenta coupler represented the general formula (II) or (III), the blue-sensitive silver halide emulsion layer contains at least one yellow coupler represented by the general formula (IV), and the silver halide color photographic material contains at least one compound represented by the general formula (B): ##STR1## Moieties are defined in the specification.

Abstract: A photographic recording material which has at least one silver halide emulsion layer containing gelatine, at least one protective layer and at least one hardening layer and in which the protective layer is further removed from the layer support than any silver halide emulsion layer and the hardening layer is further removed from the layer support than any other layer and contains an effective quantity of at least one instant hardener will have improved stability in storage under moist, warm conditions if the protective layer contains an effective quantity of at least one azaindene.

Abstract: Disclosed is a direct positive light-sensitive photographic material having at least one silver halide emulsion layer containing inner latent image type silver halide grains not previously fogged, which gives a direct positive image after image exposure by surface development after application of fogging treatment or while applying fogging treatment, wherein the inner latent image type silver halide grains comprise substantially silver chloride, and the silver halide emulsion layer or a hydrophilic colloid layer adjacent thereto contains at least one active halide type or active vinyl type gelatin hardener, and at least one compound represented by the formula (I) or (II) described in the specification. This direct positive light-sensitive silver halide photographic material is particularly excellent in stability with lapse of time.

Abstract: A silver halide photographic material is disclosed, comprising a support having thereon an emulsion layer comprising a dispersion medium, silver halide grains, and a pendant type sensitizing dye, wherein said pendant type sensitizing dye is a compound comprising a sensitizing dye and an antifoggant, each of which may have substituent groups and wherein said sensitizing dye and antifoggant are organochemically bonded.

Abstract: A photographic silver halide material comprises an organophosphorus dye stabilizer represented by the formula: ##STR1## wherein A represents the atoms necessary to complete a substituted or unsubstituted heterocyclic ring;R.sub.1 represents substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted aryl, or a heterocyclic group;Y is an oxygen or a sulfur atom; and,n is 0 or 1.Such a photographic silver halide material enables improved stability of dye images in the material.

Abstract: A light-sensitive silver halide photographic material comprising a magenta coupler represented by the formula I: ##STR1## at least one magenta image stabilizer represented by formula XII: ##STR2## at least one magenta dye image stabilizer selected from a group consisting of a compound represented by general formulas XIIIa and XIIIb: ##STR3##

Abstract: A compound of the general formula (I): ##STR1## (in which EAG represents an electron accepting group; R.sup.1 and R.sup.2 each represents a substituent except hydrogen; and R.sup.1 and R.sup.2, R.sup.1 and EAG, and R.sup.2 and EAG may be bonded together to form a ring) is incorporated into a silver halide photographic material. The compound of the formula (I) becomes oxidative after cleavage of the nitrogen-oxygen single bond in the molecule, and the compound displays an action as an antifoggant, a stabilizer and/or a black spot preventing agent in the photographic material.

Abstract: Latent image stability is enhanced in photographic recording materials using N-alkyl- or N-alkenylbenzothiazolium or -benzoselenazolium salts.

Abstract: A silver halide photographic material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the material contains the combination of (i) at least one compound represented by formula (I) and (ii) and at least one compound represented by formulae (II) and/or (III): ##STR1## wherein R.sub.1 represents hydrogen, an alkyl group, an aryl group or an aralkyl group; X represents a halogen atom, a nitro group, a hydroxyl group, a cyano group, a lower alkyl group, a lower alkoxy group, --COR.sub.2, ##STR2## or --SO.sub.3 M; R.sub.2 represents hydrogen, --OM, a lower alkyl group, an aryl group, an aralkyl group, a lower alkoxy group, an aryloxy group, an aralkyloxy group or ##STR3## R.sub.3 and R.sub.4 each represents hydrogen, a lower alkyl group, an aryl group, an aralkyl group, --COR.sub.7 or --SO.sub.2 R.sub.7 ; R.sub.5 and R.sub.6 each represents hydrogen, a lower alkyl group, an aryl group or an aralkyl group; R.sub.

Abstract: The present invention provides a method for photographic processing of a silver halide photographic light-sensitive material with high sensitivity and with less fog. This method comprises imagewise exposing a silver halide photographic light-sensitive material and then developing the exposed light-sensitive material in the presence of at least one compound selected from the group consisting of the compounds represented by the following formulas (I)-(IV): ##STR1## wherein Z represents a group of atoms necessary to form a condensed aromatic ring which may have a substituent in addition to ##STR2## R represents a hydrogen atom or a monovalent organic group, R.sub.1 represents a hydrogen atom or a substituted or unsubstituted alkyl group and X represents an oxygen atom, a sulfur atom, a selenium atom or >N--R.sub.2 wherein R.sub.

Abstract: A silver halide photographic emulsion comprising a silver halide emulsion, at least one ascorbic acid compound, a bisaminostilbene compound substituted by a pyrimidine derivative, and at least one sensitizing dye as described herein, exhibits an increased inhibition of desensitization due to the use of a sensitizing dye and an increase in the spectral sensitivity of the photographic emulsion.

Abstract: A silver halide photographic light-sensitive material containing inorganic sulfur or elemental sulfur, and a processing method comprising a step for developing such photographic material with a color developer which contains an aromatic primary amine compound for not more than 60 seconds. Photographic image improved in contrast of the without degradation in sensitivity and fogging can be obtained by the photographic material and the processing method.

Abstract: 5-substituted-thio-1,2,3,4-thiatriazoles and 5-substituted-oxy=1,2,3,4-thiatriazoles have been found to be supersensitive for silver halide photographic emulsions spectrally sensitized to the red and infrared regions of the electromagnetic spectrum.

Abstract: A novel silver halide photographic material is provided comprising at least one light-sensitive silver halide emulsion layer provided on a support and containing at least one hydrazine compound and at least one amine compound of the general formula (I) in said emulsion layer or at least one of other constituting layers, provided that said hydrazine compound and said amine compound can be present in the same or different layers: ##STR1## wherein R.sup.2 and R.sup.3, which can be the same or different, each represents a substituted or unsubstituted alkyl group or R.sup.2 and R.sup.3 may be linked to each other to form a ring; R.sup.4 represents a substituted or unsubstituted alkyl, aryl or heterocyclic group; A represents a divalent linkage group; X represents --CONR.sup.5 --, --OCONR.sup.5 --, --NR.sup.5 CONR.sup.5 --, --NR.sup.5 COO--, --COO--, --OCO--, --CO--, --NR.sup.5 CO--, --SO.sub.2 NR.sup.5 --, --NR.sup.5 SO.sub.2 --, --SO.sub.2 --, --S-- or --O-- group (in which R.sup.

Abstract: Improved photographic recording materials contain silver halide grains having at least two zones differing in their halide composition and, as stabilizer, a compound corresponding to the formula ##STR1##

Abstract: There is disclosed a silver halide photosensitive material for use under room-light wherein at least one silver halide emulsion layer contains (1) a spectrally unsensitized negative silver halide having an average grain size of 0.1 to 0.3 .mu.m and containing at least 80 mol % of silver chloride and (2) an organic desensitizer having an anodic polarographic potential and a cathodic polarographic potential which give a positive sum and this photosensitive material satisfying at least one of the following requirements:(a) said emulsion has undergone substantially no chemical ripening;a spectrally non-sensitizing dye capable of absorbing chiefly the rays in the range of from about 500 to 600 nm is contained in at least one of said photographic layers; and(c) at least one of the compounds from (i) to (v) as disclosed in the specification is contained in said emulsion layer.

Abstract: A silver halide color photographic material having at least one silver halide emulsion layer on a base, in which the emulsion layer contains at least one kind of specific magenta coupler of a pyrazoloazole system and the silver halide emulsion is a silver chlorobromide emulsion or silver chloroiodobromide emulsion chemically sensitized in the presence of a nucleic acid or a decomposition product thereof prior to the completion of chemical sensitization by sulfur compounds. This color photographic material is improved in color reproduction and image stability, less liable to fogging that is formed during development, and less dependent on processing conditions.

Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide photographic emulsion layer and at least one layer containing colloidal silver, wherein said colloidal silver-containing layer comprises at least one compound selected from compounds of general formula (I) and (II) below, and at least one photosensitive or non-photosensitive layer selected from a silver halide photosensitive layer positioned farthest from said support and any layers positioned between said farthest photosensitive layer and said support comprises a silver halide emulsion containing internally-fogged or surface-fogged silver halide grains: ##STR1## wherein the substituent groups on general formula (I) and (II) are as defined in the specification.

Abstract: In a thermally processable imaging element and process an imaging layer comprising a photothermographic or thermographic imaging composition and 2.5 to 20% by weight of the layer of at least one hydrolyzed polyalkoxysilane (hydrolyzed Si(OR.sub.1).sub.4 or hydrolyzed R.sub.2 --Si(OR.sub.3).sub.3) enables increased maximum image density. Such a hydrolyzed polyalkoxysilane in a hydrophobic imaging layer of such an element enables increased adhesion of the imaging layer to a contiguous hydrophobic hydrophilio layer, particularly a hydrophilic overcoat layer.

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.