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: The invention provides a hologram-recording subject plate comprising a block and a variety of subjects fixedly contained therein, which ensures easy, stable yet continuous recording of a multiplicity of identical holograms or different holograms reconstructible by illuminating light, , a hologram-making method using the same, and a hologram-recorded article. The subject plate comprises a transparent solid block and a hologram-recording subject contained therein. A photosensitive material film is applied directly onto one surface of the subject plate, and the subject plate is then irradiated with laser light through the photosensitive material film. Such simple operation enables a multiplicity of identical holograms to be recorded in an easy, stable yet continuous manner.

Abstract: A silver halide photographic light sensitive material comprising a support and provided thereon, at least one silver halide emulsion layer comprising tabular silver halide grains having a silver chloride content of not less than 50 mol % and two parallel major {100} faces and a water soluble polymer other than gelatin, wherein chemical sensitization of the silver halide grains is carried out in the presence of said water soluble polymer.

Abstract: A method of preparing a silver halide emulsion is disclosed, comprising a disperse medium and silver halide grains, said method comprising the steps of:(1) forming silver halide tabular grains for the silver halide emulsion in the presence of at least one polymer having repeating units represented by formula (1),(2) subsequently to the step (1), removing the polymer by washing with water, and(3) using as seed crystals the silver halide tabular grains obtained via steps (1) and (2) and further growing these grains;--(R--O).sub.n -- (1)wherein each R represents an alkylene group having 2 to 10 carbon atoms, and n is an average number of repeating units which ranges from 4 to 200, and further a silver halide photographic material is disclosed, comprising the above silver halide emulsion.

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: Silver halide recording material for making negative images having ultrahigh contrast.Known silver halide recording materials for making negative images having ultrahigh contrast contain hydrazine compounds and contrast enhancing compounds (so-called boosters). The invention involves a material having a new class of such a booster, containing in its molecule at least one nitrile group and a tertiary amino group. The invention also includes a process for making black-and-white negative images having ultrahigh contrast by using the invention's materials. The invention is particularly useful in the pre-press stage for printing.

Abstract: The present invention relates to a process for improving the ageing properties of a silver halide photographic element, free of photolytically generated latent images, comprising a support bearing at least one light-sensitive silver halide emulsion layer and at least one light-insensitive layer, the silver halide light-sensitive emulsion layer including negative acting surface latent image-type silver halide grain in association with a contrast promoting agent and a hydrazine compound, by adding a total amount of at least 0.40 grams per square meter of dextran to at least said light-sensitive silver halide emulsion layer and/or to at least said light-insensitive layer.

Abstract: There are disclosed a hexagonal silver halide tabular emulsion having an excellent monodispersibility and a silver halide photographic material which contains the above tabular silver halide emulsion and excels in a graininess, a sensitivity and a preservability. The above silver halide photographic emulsion is prepared in the presence of at least one of the polymers having a recurring unit represented by the Formula (1) and at least one of the polymers having a recurring unit represented by Formula (2):--(R--O).sub.n -- (1)--(CH.sub.2 CH.sub.2 O).sub.m -- (2)wherein R represents an alkylene group having 3 to 10 carbon atoms; and n and m each represents an average number of the recurring unit, respectively and each represents 4 to 200.

Abstract: A silver halide color photographic material improved in color forming properties and light fastness of color image is disclosed, comprising a support having thereon a light-sensitive silver halide emulsion layer and a nonlight-sensitive layer, wherein the nonlight-sensitive layer contains a UV absorbent and the silver halide emulsion layer contains a polyhydric alcohol.

Abstract: To eliminate the "pi-line" artefact after processing a silver halide industrial photographic X-ray material is disclosed comprising on at least one side of a support, at least one gelatino silver halide emulsion layer and a total amount of silver halide, corresponding to from 6 to 20 g of silver nitrate per square meter and per side, and at least one non-sensitive protective antistress coating, wherein said photographic material comprises at least one vinyl sulphone compound as a hardening agent and at least one polyoxyalkylene compound as a surfactant in at least one of its hydrophilic layers.

Abstract: A photographic element comprising a support having located thereon at least one silver halide emulsion layer, the emulsion layer containing a development accelerator and a release compound that provides a non-imagewise distribution of a development inhibitor moiety. The release compound is characterized in that it comprises a blocking group from which the development inhibitor moiety is released.

Abstract: To eliminate the "pi-line" artefact after processing a silver halide industrial photographic X-ray material is disclosed comprising on at least one side of a support, at least one gelatino silver halide emulsion layer and a total amount of silver halide, corresponding to from 6 to 20 g of silver nitrate per square meter and per side, and at least one non-sensitive protective antistress coating, wherein said photographic material comprises at least one vinyl sulphone compound as a hardening agent and at least one polyoxyalkylene compound as a surfactant in at least one of its hydrophilic layers.

Abstract: A photographic element comprising a support having located thereon a first layer which does not contain colloidal silver and a second layer, the first layer containing a release compound that comprises a development inhibitor moiety and a blocking group from which the development inhibitor moiety is non-imagewise released, and the second layer containing a development accelerator.

Abstract: An apparatus for processing a light-sensitive silver halide photographic material and which has a solid agent replenisher, is provided with a water producing device to recover water from the air or from used processing solution. The apparatus also is provided with a water replenisher which delivers recovered water to a processing tank to replenish the water in the processing solution contained therein.

Abstract: A color photographic material with at least one silver halide emulsion layer which contains a color coupler distributed in a polymeric oil former and at least one compound of the formula (I) ##STR1## in which R means alkyl, cycloalkyl, alkenyl, aryl, acyl, alkylsulphonyl or arylsulphonyl,R.sub.1 means a chemical bond or a divalent bridging member,R.sub.2 and R.sub.3 mean alkyl, alkoxy, alkenyl, cycloalkyl, aryl or aryloxy or two residues R.sub.2 or R.sub.3 the remaining atoms of a benzene ring condensed with the phenyl residue andm and n mean 0 to 3, wherein all alkyl, alkoxy, cycloalkyl, alkenyl, aryl, aryloxy and acyl residues may be further substituted,is characterized by improved color stability.

Abstract: Novel compounds have been discovered that are particularly effective as nucleation accelerators or boosters when employed with hydrazide nucleators in the formulation of silver halide emulsions for lithographic film. The novel compounds contain bis ureido groups joined by an alkyleneoxy moiety or recurring alkyleneoxy moieties. The 2-nitrogen of each ureido group can carry groups comprising hydrogen, aryl, alkyl or dialkylaminoalkyl, alike or different.

Abstract: A process of forming superhigh-contrast negative images is disclosed. The process comprises the steps of imagewise exposing a substantially surface latent image-type silver halide photographic material which is spectrally sensitized with a sensitizing dye and then developing said photographic material with a developer, wherein said photographic material contains a heterocyclic thione compound and said developer comprises (a) an aminophenol derivative developing agent, (b) a reductone compound, (c) a quaternary ammonium salt, and (d) a compound represented by formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom, a nitro group, a halogen atom, or a cyano group, and wherein said development processing is carried out in the existence of at least one kind of a polyalkylene oxide or a derivative thereof. The process provides negative images of superhigh contrast having gamma over 10 substantially free from appearance of pepper.

Abstract: A light-sensitive material comprising a light-sensitive layer provided on a support wherein the light-sensitive layer contains silver halide, a reducing agent, a polymerizable compound, and an additive compound selected from the group consisting of a 5- or 6-membered nitrogen containing heterocyclic compound, thiourea, a thiourea derivative, a thioether compound, polyethylene glycol and a polyethylene glycol derivative. Thermal image-forming methods utilizing the light-sensitive materials are also disclosed.

Abstract: A novel silver halide photographic material is provided comprising a support having provided thereon at least one silver halide emulsion layer and containing at least one polyoxyethylenic compound in the emulsion layer or at least one other hydrophilic colloid layer, wherein silver halide grains contained in the emulsion layer are chemically sensitized in the presence of a water-soluble sensitizing dye having a solubility in 20.degree. C. water of 0.2 g/100 ml H.sub.2 O or more, or said water-soluble sensitizing dye is added to the silver halide emulsion after chemical sensitization and before coating. Such a water-soluble sensitizing dye is preferably selected from methine dyes and styryl dyes such as a cyanine dye, a merocyanine dye, a hemicyanine dye, a rhodacyanine dye, an oxonol dye, and a hemioxonol dye.

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: A silver halide photographic material containing at least one of compounds represented by formula (I) and salts thereof in at least one hydrophilic colloidal layer of the silver halide photographic material gives photographic images having stable and excellent quality without being accompanied by the increased formation of fog and increased changes of sensitivity and gradation upon high temperature processing: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic ring group; or one or both of said R.sub.1 and R.sub.2 and said R.sub.3 and R.sub.4 combine with each other to form a ring.

Abstract: A silver halide photographic light-sensitive material is described containing at least one electron-donative, silver halide-adsorptive compound represented by the following general formula (A) or (B), which is not a spectral sensitizing agent for silver halide or a nucleating agent:D--L--X (A)D--X (B)wherein D represents an electron donative atomic group comprising an aromatic ring or hetero ring, which may be unsubstituted or substituted with at least one substituent; L represents a linkage group containing at least one of C, N, S or O; and X represents a group which is adsorptive with a silver halide-adsorptive group containing at least one of C, N, S, O or Se, said N being optionally quarternized.

Abstract: A silver halide photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer which comprises silver halide grains containing at least silver chloride and spectrally sensitized to infrared rays with at least one dye selected from a tricarbocyanine dye and a dicarbocyanine dye having a 4-quinoline nucleus, wherein the silver halide emulsion layer contains from 0.0003 mol to 0.01 mol per mol of silver of a water-soluble bromide.The silver halide photographic light-sensitive material has high sensitivity in an infrared spectral region which does not substantially change during the preservation of the photographic light-sensitive material.

Abstract: A silver halide photographic light-sensitive material and a developing process used in connection with that material are disclosed. The material is comprised of a support having thereon a silver halide emulsion layer containing a silver halide emulsion in which at least 80 mole % of the whole silver halide is composed of silver chloride, the mean grain size thereof is less than 0.4 .mu.m, and which contains more than 1.times.10.sup.-6 mole of a water-soluble rhodium salt per mole of silver at an optional period before finishing the first ripening in the production step for the silver halide emulsion. The material also contains 1.times.10.sup.-5 to 1.times.10.sup.-2 mole of polyalkylene oxide having a molecular weight of at least 600 or a derivative thereof per mole of silver. The process involves imagewise exposing the material and processing it in a developer containing 0.05 to 0.5 mole/liter of a dihydroxybenzene series developing agent, 0 to 0.05 g/liter of an auxiliary developing agent, at least 0.

Abstract: A method of forming negative dot images which comprises imagewise exposing through a contact screen a silver halide photographilic light-sensitive material of substantially the surface latent image type containing in a silver halide emulsion layer or another hydrophilic colloidal layer(a) a hydroquinone developing agent, and(b) a compound represented by the formula, R.sup.1 NHNHCOR.sub.2, wherein R.sup.1 is an aryl group which may be substituted, and R.sup.2 is a hydrogen atom, an alkyl group which may be substituted, or an aryl group which may be substituted, and thereafter processing the thus exposed light-sensitive material with an activator aqueous solution having a pH of 11.5 or more.

Abstract: A silver halide photographic light-sensitive material is described, comprising at least one silver halide photographic emulsion layer, wherein at least one layer contains a compound represented by formula (I) ##STR1## wherein R.sup.1 and R.sup.2 each represents hydrogen, an aliphatic group, an aromatic group, or a heterocyclic group;R.sup.3 represents hydrogen or an aliphatic group, andX represents a divalent aromatic group.The light-sensitive material provides high-contrast negative images and good dot image quality.

Abstract: A lith-type silver halide photographic material having high sensitivity and providing good dot quality images comprising a support having coated thereon a silver halide emulsion containing a sensitizing dye of dimethine merocyanine type represented by formula (I) and a sensitizing dye represented by formula (II): ##STR1## wherein R.sub.1 represents a sulfoalkyl group, a carboxyalkyl group, a sulfoaralkyl group, or a carboxyaralkyl group; the alkyl moiety of each alkyl group contains up to 4 carbon atoms; R.sub.2 represents a substituted or unsubstituted alkyl group or an aryl group; R.sub.3 represents --(CH.sub.2).sub.n.sbsb.1 CONH(CH.sub.2).sub.m.sbsb.1 OH or --(CH.sub.2).sub.n.sbsb.2 O(CH.sub.2).sub.m.sbsb.2 OH (wherein m.sub.1, m.sub.2, n.sub.1, and n.sub.2 each is 1 to 7; m.sub.1 +n.sub.1 and m.sub.2 +n.sub.

Abstract: A silver halide photographic light-sensitive material having at least one silver halide photographic emulsion layer comprising substantially surface latent image type silver halide grains, and containing in said photographic emulsion layer or at least one of other hydrophilic colloid layers a compound represented by the following general formula (I): ##STR1## wherein X.sup.1 represents a group containing a ##STR2## moiety, Ar.sup.1 and Ar.sup.2 each represents a substituted or unsubstituted aromatic group, B represents a divalent linking group, n is 0 or 1, and R.sup.1 represents a hydrogen atom, an unsubstituted alkyl group, or a substituted or unsubstituted aryl group.

Abstract: A process for producing a high contrast photographic image comprising developing an image-wise exposed silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer with a developer containing (a) free sulfite ion in a concentration of at least 0.18 mol/l and (b) as substantially the only developing agent a dihydroxybenzene in the presence of (i) at least one compound represented by the following general formula (I);R.sup.1 NHNHCOR.sup.2 (I)wherein R.sup.1 represents an aryl group; R.sup.2 represents a hydrogen atom, a phenyl group or an unsubstituted alkyl group having 1 to 3 carbon atoms and (ii) at least one polyalkylene oxide having a molecular weight of at least 600 or a derivative thereof.