Abstract: The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer, wherein the photothermographic material includes at least one polymer selected from a polycycloolefin, a cycloolefin copolymer, or a copolymer of olefin and maleimide or maleamide. A photothermographic material which is excellent in film surface properties and photographic properties is provided.

Abstract: A silver halide color photographic photosensitive material that has, on a support, at least one yellow color-forming photosensitive silver halide emulsion layer, at least one magenta color-forming photosensitive silver halide emulsion layer, and at least one cyan color-forming photosensitive silver halide emulsion layer, wherein at least one specific yellow or magenta dye-forming coupler and at least one compound represented by formula (Ph) are contained in the same layer: wherein Rb1 represents a specific functional group; and Rb2 to Rb5 each independently represent a hydrogen or halogen atom, or a specific functional group.

Abstract: Disclosed is a silver halide photographic light-sensitive material, which comprises at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z—SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.

Abstract: A silver halide color photographic photosensitive material, which containes at least one specific compound containing at least one alkenylcarbonyl group, in at least one layer on a support; and an image-forming method using the same.

Abstract: A silver halide emulsion which exhibits superior latent image stability when subjected to subjected to digital exposure at a high intensity for a short time is disclosed, comprising silver halide gains containing at least 90 mol % chloride, 0.02 to 5.0 mol % bromide and 0 to 2.0 mol % iodide, based on silver and occluding at least one Group 8 metal compounds and at least one iridium compound, and the silver halide grains are subjected to selenium sensitization which is undergone in the presence of at least one of compounds represented by the following formulas and silver or gold sulfide grains. A preparation method of the emulsion is also disclosed.

Abstract: A photothermographic material is described, which comprises a support having provided on at least one side thereof a photosensitive silver halide, a photo-insensitive organic silver salt, a reducing agent for silver ion and a binder, wherein at least one layer constituting the photothermographic material comprises an oxazoline compound, by which sufficiently high image density is developed within practically feasible reaction time and temperature, and sufficiently suppressed background coloration is exhibited when stored for a prolonged period after development processing.

Abstract: Antistatic compositions include a fluorochemical that is a reaction product of Rf—CH2CH2—SO3H with an amine wherein Rf comprises 4 or more fully fluorinated carbon atoms. These antistatic compositions can be formulated in organic solvent-based conductive coating compositions, with or without hydrophobic binders, that can be used to form conductive layers in thermally developable materials including thermographic and photothermographic materials.

Abstract: Disclosed is a silver halide photographic light-sensitive material, which comprises at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z—SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.

Abstract: A single-side coated light-sensitive silver halide photographic film material has been disclosed, having on one side of a subbed support, one or more light-sensitive silver halide emulsion layer(s) overcoated with an outermost protective layer; and, at the other side of said support, a backing layer, covered with a protective outermost layer, characterized in that at least said backing layer is provided with a layer wherein, besides a cross-linked or cross-linkable first binder an organic component free from cross-linking upon reaction with a hardener is present as a second binder having a low molecular weight.

Abstract: A photothermographic material is described, which comprises a support having provided on at least one side thereof a photosensitive silver halide, a photo-insensitive organic silver salt, a reducing agent for silver ion and a binder, wherein at least one layer constituting the photothermographic material comprises an oxazoline compound, by which sufficiently high image density is developed within practically feasible reaction time and temperature, and sufficiently suppressed background coloration is exhibited when stored for a prolonged period after development processing.

Abstract: A photothermographic material comprising at least (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing compound represented by the following general formula (1), and (d) a binder:

Abstract: A silver salt photothermographic material is disclosed, comprising at least a light sensitive layer and at least a light insensitive layer, the light sensitive layer comprising organic silver salt grains, a light sensitive emulsion containing light sensitive silver halide grains and medium, a reducing agent and a binder, wherein at least one of the light sensitive layer and the light insensitive layer contains a silver-saving agent and the photothermographic material which has been subjected to thermal development at 123° C. for 13.5 sec. exhibits an average contrast of 2.0 to 6.0 within the density range of 0.25 to 2.0 on a characteristic curve of the photothermographic material.

Abstract: A production method for a photothermographic recording material comprising the steps of: (i) providing a support; (ii) coating the support with a photo-addressable thermally developable element comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with the substantially light-insensitive organic silver salt, a reducing agent in thermal working relationship with the substantially light-insensitive organic silver salt and a binder, characterized in that the photosensitive silver halide is formed by reacting an aqueous emulsion of particles of the substantially light-insensitive organic silver salt with at least one onium salt with halide or polyhalide anion(s) and that the photo-addressable thermally developable element is coated from an aqueous dispersion medium; and a recording process therefor.

Abstract: A silver halide coated photographic material is disclosed comprising sensitized silver bromide or silver bromoiodide tabular grains having an average thickness of less than 0.30 &mgr;m, in at least one light-sensitive layer and which is characterised in that it further contains in the said light-sensitive layer and/or at least one non-light sensitive layer at least one polyoxyethylene compound comprising from about 20 to 100 mole percent recurring units of the formula (Ia) and 80 to 0 mole % recurring units of the formula and wherein R represents an aliphatic, aromatic, or heterocyclic group, and X represents a halogen.

Abstract: A latex comprising a polymer having an ethylenically unsaturated monomer unit containing an active methylene group and an ethylenically unsaturated monomer unit selected from methacrylic acid ester, acrylic acid ester, maleic acid ester and diene derivative, wherein said polymer is produced in the presence of a water soluble polymer through emulsion polymerization.

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: A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a dispersion material which is obtained by emulsifying a mixture of a yellow coupler represented by the formula and a polymer compound that is insoluble in water and soluble in an organic solvent.

Abstract: The present invention discloses a heat developable silver halide color photographic light-sensitive material comprising a support having thereon photographic constituent layers which comprise at least one photographic light-sensitive layer comprising a light-sensitive silver halide emulsion, a developing agent, a compound capable of forming a dye by a coupling reaction with the oxidation product of the developing agent, and a binder, wherein at least one photographic constituent layer contains at least one of the compounds expressed by the formula (I), (II), (III), or (IV) below, and wherein at least 50% of the total projected area of silver halide grains contained in the light-sensitive silver halide emulsion is taken up by tabular silver halide grains at least 50% of which are composed of silver chloride.

Abstract: A silver halide color photographic light-sensitive material is disclosed, comprising a support having thereon at least one photographic constituent layer, wherein any one of the photographic constituent layer contains at least one reducing agent for color formation represented by formula (I), at least one dye forming coupler and at least one water-insoluble polymer.

Abstract: A silver halide photographic material is disclosed, comprising a support having thereon photographic constituent layers with at least one layer thereof containing water-insoluble polymers, wherein at least one of the water-insoluble polymers is a polymer containing an aromatic ring and having a number average molecular weight of 4,000 or less and the weight percentage of the aromatic ring in the polymer molecule is 40% or more.

Abstract: A photographic material having at least one photosensitive silver halide emulsion layer and at least one non-photosensitive layer on a support, which material contains at least one compound of the formula (I) in at least one of the layers, ##STR1## in which R.sub.1 to R.sub.5, L, m and n have the meaning stated in the specification and PUG means a photographically active group, may be produced in thinner layers.

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: The invention concerns a color negative process wherein a photographic material comprising silver chloride or silver bromide and a DIR or DIAR coupler is processed in the presence of a polyester comprising intralinear thioether atoms.

Abstract: The invention relates to the use of a fluoropolymer and a fluorochemical surface active agent in combination for improving the antistatic behaviour of surfaces. In one embodiment, the invention provides a light-sensitive material possessing good initial antistatic properties and retaining good properties even after aqueous processing.

Abstract: A heat-sensitive recording material suited for use in direct thermal imaging and having image-stabilization properties which material contains in a binder on a support (i) a substantially light-insensitive organic silver salt capable of thermally activated reduction to silver in thermal working relationship with (ii) at least one reducing agent capable of reducing the substantially light-insensitive organic silver salt when thermally activated, characterized in that the recording material contains in conjunction, preferably in admixture, with the reducing agent(s) at least one colourless photo-oxidizing substance that on exposure to ultraviolet (UV) radiation, such as present in daylight or artificial lighting, yields free radicals capable of inactivating said reducing agent(s) by oxidation, thereby rendering said reducing agent(s) incapable of reducing said organic silver salt to silver.

Abstract: A photographic material is disclosed containing on at least one side of the support at least one light-sensitive silver halide emulsion layer characterised in that the light-sensitive layer and/or at least one non-light sensitive layer in water-permeable relationship with the light-sensitive layer comprises at least one compound having the general formula (I)R[O--CH.sub.2 --CH.sub.2 --S--(LINK.sup.1 --S).sub.x --CH.sub.2 --CH.sub.2 --O--(LINK.sup.2)].sub.y --OR (I)wherein each of LINK.sup.1 and LINK.sup.2 which may be the same or different represents a divalent linking group; R represents H, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or an acyl group; x is 0, 1 or 2, and y varies from 2 to 20.

Abstract: A silver halide photographic light-sensitive material has at least one silver halide emulsion layer. 50% or more of a total projected area of silver halide grains of at least one silver halide emulsion in the silver halide emulsion layer are accounted for by tabular grains each having an average aspect ratio of 2 or more and containing dislocations.

Abstract: A silver halide photographic light-sensitive material comprises a support and provided thereon, a photographic component layer comprising a silver halide emulsion layer and a hydrophilic colloid layer other than the emulsion layer, wherein the photographic component layer contains a hydrazine derivative, a nucleation accelerating agent and polymer latex containing as a protective colloid a hydrophilic polymer having an average number molecular weight of 1,000 to 1,000,000 and having a solubility of not less than 0.1 g in 100 g of water at 20.degree. C., provided that the hydrophilic polymer is not gelatin.

Abstract: Silver halide emulsions with tabular grains showing increased aspect ratio are produced by adding to the precipitiation vessel a compound of the formula I: ##STR1## in which R.sub.1 means H or optionally substituted alkyl, aralkyl or cycloalkylR.sub.2 means H or optionally substituted alkyl, aryl or aralkyl or a polymer chainR.sub.3 means H, OH, alkyl, aryl, aralkyl, halogen, NHR.sub.4, O--CO--R.sub.4, O--CO--NHR.sub.4 or an optionally substituted oxazoline ringR.sub.4 means optionally substituted or alkyl, aralkyl or arylm means 2 or 3,n means 2 to 10,000,or a compound of the formula II ##STR2## in which R.sub.1, R.sub.3, n and m have the meaning stated above and may be identical or different andR.sub.5 means optionally substituted alkene, arylene, aralkene or a polyaddition, polycondensation or polymerisation chain.

Abstract: A photographic silver halide material which has at least one light-sensitive layer and contains in at least one layer a compound corresponding to formula (I) in a quantity of at least 10 mg/m.sup.2 : ##STR1## wherein k stands for 50 to 99% by weight,l stands for 0 to 49% by weight,m stands for 1 to 40% by weight,j stands for 0 to 49% by weight,M denotes a comonomer incorporated by polymerisation,M.sub.1 denotes ##STR2## M.sub.2 denotes ##STR3## R.sub.1 and R.sub.2 denote hydrogen or alkyl, R.sub.3 denotes an acidic group, andB denotes a chemical bond or a bridging member and which is hardened with a rapid or an instant hardener,is distinguished by improved wet scratch resistance and stability in storage.

Abstract: An improved process for manufacturing a spectrally sensitized photographic element comprising the combination of ultrafiltration of silver halide grains in combination with a supersensitizing additive consisting of ##STR1## wherein D.sup.+ is Na.sup.+, K.sup.+, Li.sup.+, NH4.sup.+ ; n is 1-5; m is 1-10.

Abstract: In a silver halide photographic light-sensitive material having at least one silver halide emulsion layer on a support, at least one of the silver halide emulsion layers contains a light-sensitive silver halide emulsion, in which tabular grains having an aspect ratio of 2 or more occupy 50% or more of a total projected area of silver halide grains, and a polymer represented by Formula (1) below in an amount of 10.sup.-3 to 10 g per mole of the silver halide. In Formula (1), A represents a repeating unit derived from an ethylenic unsaturated monomer having at least one basic nitrogen atom, and B represents a repeating unit, other than A, derived from an ethylenic unsaturated monomer. x and y each represents a percentage by weight. x represents 0.1 to 100, and y represents 0 to 99.9.

Abstract: Compounds corresponding to Formula I are suitable as light stabilizers for the image dyes produced from colour couplers by chromogenic development. They are also suitable as oil formers for the colour couplers. In a colour photographic recording material, they are preferably used in combination with a pyrazoloazole coupler and associated with a light-sensitive silver halide emulsion layer. ##STR1## In Formula I, R.sup.1 denotes H, a group which can be split off under alkaline conditions, alkyl or aryl;R.sup.2 denotes OH, alkyl, aryl, alkoxy or ##STR2## R.sup.3, R.sup.4, R.sup.5 and R.sup.6 denote H, OH, COOH, SO.sub.3 H, SO.sub.2 H, alkyl, aryl, alkoxy, sulphonyl, sulphamoyl, acylamino or ##STR3## and at least one of the groups R.sup.2, R.sup.3, R.sup.4 R.sup.5 and R.sup.6 is a group of the formula ##STR4## A denotes an alkylene group having 1-6 carbon atoms, n stands for 0 or 1,R.sup.7 denotes H or an optionally substituted alkyl group,R.sup.

Abstract: A silver halide light-sensitive material containing at least silver halide grains, a dispersion medium, an antifoggant, and a hardening agent, wherein said antifoggant is an antifoggant having a reactive substituent capable of reacting with a functional group of the dispersion medium to form a covalent bond after adsorption on the silver halide grains and/or an antifoggant previously covalently bonded to the dispersion medium. The antifoggant is immobilized in a light-sensitive material while exerting its antifogging activity and is not therefore dissolved into a developing solution.

Abstract: A novel silver halide photographic material comprising at least one silver halide emulsion layer on a support is provided, characterized in that said emulsion layer comprises (i) silver halide grains which are at least 80 mol % silver chloride, (ii) at least one thiocyanate, (iii) at least one cyanine dye represented by general formula (I) and (iv) at least one compound represented by general formula (II), (III) or (IV): ##STR1##

Abstract: A multilayer silver halide color photographic element comprising at least one blue-sensitive silver halide emulsion layer comprising a blue spectral sensitizing dye and a supersensitizing amount of a disulfide compound of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, equal or different, each represents a hydrogen atom or a lower alkyl group, R.sub.5 represents a hydrogen atom, a formyl group or an acetyl group, R.sub.6 and R.sub.7, equal or different, each represents a hydrogen atom or a lower alkyl group, or R.sub.6 and R.sub.7 represent the elements needed to complete an unsaturated cyclic nucleus.The combination provides a blue-sensitive silver halide emulsion layer having high sensitivity, low fog and good resistance against fading of the latent image.

Abstract: A silver halide emulsion manufactured by performing reduction sensitization and addition of at least one compound selected from the group consisting of compounds represented by formulas [I], [II], and [III] during the silver halide grain formation in a process of manufacturing silver halide emulsions:R--SO.sub.2 S--M [I]R--SO.sub.2 S-R.sup.1 [II]RSO.sub.2 S--L.sub.m --SSO.sub.2 --R.sup.2 [III]wherein R, R.sup.1, and R.sup.2 can be the same or different and represent an aliphatic group, an aromatic group, or a heterocyclic group, M represents a cation, L represents a divalent bonding group, m represents 0 or 1, compounds represented by formulas [I] to [III] can be polymers containing, as a repeating unit, divalent groups derived from compounds represented by formulas [I] to [III], and, if possible, R, R.sup.1, R.sup.2 and L can be bonded with each other to form a ring.

Abstract: The present invention provides (1) a method for preparation of a photographic silver halide emulsion containing tabular silver halide particles having a particle diameter larger than the particle thickness by three times or more, wherein least one oxidizing agent selected from a hydrogen peroxide, a salt of a peroxy acid and an ozone is added to the emulsion before the termination of chemical ripening thereof and then a reducing agent is added thereto, and (2) a silver halide photographic material which has at least one or more layers comprising a tabular silver halide particle-containing emulsion wherein tabular silver halide particles are those prepared by method (1). The present tabular silver halide particle-containing emulsion has high sensitivity and good granularity and is substantially free from fog.

Abstract: A photographic recording material contains a stabilizer in polymeric form corresponding to the following formula I ##STR1## wherein the substituents have the meanings stated in the description.

Abstract: A silver halide light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, and containing a compound containing a repeating unit, said compound containing a repeating unit being connected at the repeating unit to a compound represented by formula (I) at the position of the PWR or Time moiety:PWR--Time.sub.t PUG (I)wherein PWR represents a moiety capable of releasing (Time.sub.t PUG upon reduction, and PUG represents a group which can fulfil a photographically useful function after the release; Time represents a moiety capable of releasing PUG through a reaction subsequent to the release from PWR in the form of --Time.sub.t PUG; and t represents 0 or 1.

Abstract: A negative-tupe silver halide photographic material is provided, having high sensitivity and good graininess with low fog. The material has at least one silver halide emulsion layer on a support, wherein chemically-sensitized silver halide grains contained in the emulsion of said emulsion layer comprise normal crystalline grains, and said emulsion layer containing said normal crystalline silver halide grains contains a polymer having a repeating unit represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group; Q represents one group selected from formulae (i), (ii), (iii), and (iv); ##STR2## wherein q is an integer of from 2 to 4; ##STR3## wherein R.sup.2 and R.sup.3 each represents a hydrogen atom or an alkyl group; ##STR4## wherein Z.sup.1 represents an atomic group forming a lactam ring, an oxazolidone ring, or a pyridone ring;A represents a single bond, ##STR5## B represents --O-- or ##STR6## wherein R.sup.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, at least one layer of the silver halide photographic material comprising at least one compound represented by formula (I):PWR--Time--.sub.t --POL (I)wherein PWR represents a group capable of releasing (Time--.sub.t POL upon reduction; Time represents a divalent organic group capable of releasing POL via a subsequent reaction after (Time--.sub.t POL is released from PWR; t is 0 or 1; and POL represents a polymer group.The compound represented by formula (I) is a useful functional polymer whose properties are drastically changed upon reduction and reveal photographically useful function.

Abstract: A negative silver halide photographic material comprising a support and at least one silver halide emulsion layer on the support, the emulsion layer or other hydrophilic colloid layer containing a hydrazine derivative, wherein the photographic material further contains an acid polymer and in which the pH of the surface of the photographic material is not more than 5.8. Also, a method for forming a superhigh contrast negative image using the above photographic material is disclosed.

Abstract: A silver halide photographic material having good granularity, high sensitivity and excellent fixability, comprising a support and at least one photosensitive silver halide emulsion layer containing silver halide grains. The silver halide grains have an average iodine content of at least 3 mole %, and the photographic material further contains a polymer capable of providing a cation site in a fixing solution on the same side as the photosensitive layer.

Abstract: A super-high contrast negative type silver halide photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer, said emulsion layer or layers or other hydrophilic colloidal layer or layers containing a hydrazine derivative, wherein said material further contains an acidic polymer incorporating not less than 20 mol % of a monomer unit containing an acid group and a hydrophobic polymer incorporating not more than 20 mol % of a monomer unit containing an acid group and having a glass transition temperature of not more than 50.degree. C. The material exhibits high contrast and high sensitivity without forming black spots even when processed with a stable developing solution.

Abstract: A negative type silver halide photographic material and a method for forming a super high contrast negative image using the photographic material are disclosed. The photographic material comprises a support, at least one silver halide emulsion layer on the support, and at least one light-insensitive colloid layer on the support, said emulsion layer or light-insensitive hydrophilic colloid layer containing a hydrazine derivative, and further contains the tertiary amine salt of an acid polymer.

Abstract: A photographic material is described, comprising at least one layer containing at least one of (i) a polymer of a compound represented by formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms,L represents a divalent organic linking group,A represents a divalent organic linking group derived from a polymerizable monomer unit,n represents an average degree of polymerization and is a number of at least 2, andY represents a monovalent organic bonding groupand (ii) a copolymer of the compound represented by formula (I) with a copolymerizable ethylenically unsaturated monomer.

Abstract: A silver halide photographic light-sensitive material is described, comprising at least one light-sensitive silver halide emulsion layer on a support, wherein the emulsion in said light-sensitive silver halide emulsion layer comprises a silver iodobromide emulsion containing 3 mol % or more of iodide, and at least one of said light-sensitive emulsion layer or another hydrophilic colloid layer contains a polyoxyethylene type surface active agent and at least one of said light-sensitive emulsion layer or another hydrophilic colloid layer contains a meso-ionic triazolium compound represented by formula (I) ##STR1## wherein X represents a sulfur ion or --N--R.sup.4, and R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each represents a hydrogen atom or a substituted or nonsubstituted alkyl group, aryl group, or heterocyclic group, or R.sup.1 and R.sup.2, R.sup.2 and R.sup.3 or R.sup.3 and R.sup.4 can together form a heterocyclic ring.

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.

Abstract: A silver halide photographic material that contains a polymer including a repeating unit represented by the following general formula (I) and having a weight average molecular weight of no more than 30,000: ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group; Z represents the atomic group necessary to form a lactam ring, an oxazolidone ring or a pyrrolidone ring; A is a simple linkage, --CO--, --COO(CH.sub.2).sub.n or --CONR.sup.2 (CH.sub.2).sub.n where R.sup.2 is a hydrogen atom or an alkyl group, and n is an integer of 1-6. This photographic material experiences a minimum level of increase in fogging during rapid processing and produces image having improved sharpness and granularity.