Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the swelling ratio of the entire hydrophilic colloid layers on the acid polymer-containing layer side of the support of the silver halide photographic material having a hydrophilic colloid layer containing at least one acid polymer (having a carboxyl group-containing monomer unit content of at least 15 mol % or an acid value of at least 1.5 meq/g) on at least one silver halide emulsion layer-coated side thereof is at least 200% in distilled water, said acid polymer being dissolved in water and added to said hydrophilic colloid layer, and the swollen thickness of the above entire hydrophilic colloid layers at the time of the completion of the rinsing stage is not more than 8 .mu.m when said silver halide photographic material is processed (the swelling ratio in distilled water is a value obtained by incubating the photographic material at 40.degree. C.

Abstract: Photographic elements having at least one layer containing polymeric matte particles covalently bonded to gelatin and colloidal silica.

Abstract: A silver halide color photographic material is disclosed comprising a support comprising a base material and a water resistant resin layer containing titanium dioxide particles in an amount of at least 14% by weight of the water resistant resin layer, said support having thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, at least one red-sensitive silver halide emulsion layer on the same side of the support as the water resistant resin layer, said photographic material having an optical reflection density of at least 0.70 at 680 nm, said photographic material containing at least one compound represented by formula (I) or (II) and at least one compound represented by formula (III), the total layer thickness of the constituent photographic layers provided on the support after immersing in a color developing solution for at least 60 seconds is at least 1.

Abstract: Photographic elements containing at least one layer containing polymeric particles surrounded by a layer of colloidal inorganic particles and separate particles of colloidal silica.

Abstract: A substrate of a photosensitive web material of which the base end portion is gradually thinned toward the base end a core for a rolled photographic film which comprises a core body and a crosslinked foamed sheet having an expansion ratio of 18 to 45 times and a thickness of 0.2 to 2.0 mm which contains more than 50 wt. % in the sum of one or more members selected from the group consisting of polyethylene resin having a density of less than 0.930 g/cm.sup.3, ethylenevinyl acetate copolymer resin having a comonomer content of less than 25 wt. % and ethylene-ethyl arcylate copolymer resin having a comonomer content of less than 25 wt. % is disposed on the surface of the core body. The substrate and core sharply reduce the occurrence of marking troubles and pressure mark troubles on the photosensitive web material near the core caused by the difference in levels induced by the base end portion of the web.

Abstract: A photographic element including a light-sensitive layer and a transparent magnetic layer wherein the magnetic particles in the transparent binder are cobalt surface treated gamma iron oxide (Fe.sub.2 O.sub.3) having a specific area of at least 30 m.sup.2 /g, the particles being coated with from about 10 to about 50% by weight of a material having a refractive index less than that of the binder, the particles having a powder coercivity greater than about 450 Oe.

Abstract: The present invention features a negative-type, silver halide photographic emulsion containing hydrazides that has reduced scratch sensitivity (i.e., the emulsion will have a reduced tendency to develop black scratches on non-exposed areas). The emulsion will resist developing black scratches due to the introduction to the emulsion of hydroquinone and ascorbate. The stability of the emulsion is further enhanced by the addition of sodium formaldehyde bisulfite.

Abstract: Disclosed is A silver halide photographic light-sensitive material formed by coating at least one silver halide photographic emulsion layer on a reflective support having irregularities at random on the surface, wherein the intensity of Wiener spectrum of the reflective support at a spatial frequency of f cycles/mm given by the expression f=1120/CS is less than 90% of the geometric mean of the intensity at a spatial frequency of f/2 cycles/mm and the intensity at a spatial frequency of 2f cycles/mm when the coating speed for said silver halide emulsion layer is CS (m/minute). The silver halide photographic light-sensitive material according to the invention, has a proper gross and a high capability of depicting details of an image.

Abstract: An optical phase change media comprises a substrate, an active layer having a crystalline and a liquid state, a dielectric layer and a reflective layer. The active layer is of a thickness which will transmit incident light. The dielectric layer is of a thickness such that light passing through the active layer is reflected by the reflective layer and destructively interferes with the incident light reflected directly off of the active layer, thereby causing the crystalline state of the active layer to absorb more light than the liquid state. The result is that the media experiences reduced temperature during writing.

Abstract: Disclosed is a silver halide photographic light-sensitive material that comprises a support having thereon at least one silver halide light-sensitive emulsion layer, wherein emulsion layer is spectrally sensitized; the back coating layer side of said light-sensitive material has a specific surface resistance of 1 10.sup.9 to 1 10.sup.12 .OMEGA.at 25.degree. C. and 25% RH; and said light-sensitive photographic material curls in the direction of said back coating layer side. The silver halide photographic light-sensitive material according to this invention does not undergo jamming even in electrostatic charge adsorption type cameras, and is improved in anti-static property.

Abstract: A silver halide color reversal light-sensitive material comprising on a transparent support having a red-sensitive silver halide emulsion layer containing a cyan coupler, a green-sensitive silver halide emulsion layer containing a magenta coupler, and a blue-sensitive silver halide emulsion layer containing a yellow coupler is disclosed, wherein the light-sensitive material has a magnetic recording layer containing from 4.times.10.sup.-3 to 3 g/m.sup.2 of a ferromagnetic powder, and the minimum density area of the light-sensitive material after development processing has a chromaticity having an a* value of from -5 to 5, a b* value of from -5 to 5, and an L* value of not less than 80 as calculated from tristimulus values in CIE 1964 X.sub.10 Y.sub.10 Z.sub.10 Colorimetric System under an illuminant C as specified in JIS Z8720 according to the method of JIS Z8729. The photographic material exhibits improved color reproducibility.

Abstract: A method for processing a silver halide photographic material is disclosed, comprising a support and a light-sensitive silver halide emulsion layer provided on the frontside of the support, said photographic material being arranged in a processing container containing a processing solution to form a gap or series of continuous gaps adjacent to the surface of the light-sensitive layer between the frontside of the photographic material and the backside of the same photographic material, or between the frontside of the photographic material and a second photographic material, or between the frontside of the photographic material and a light-insensitive member, said gap or continuous series of gaps having a substantially constant gap width, comprising the steps of introducing a processing solution stream into each gap and replacing the processing solution thus introduced in an amount at least equivalent to the capacity of the gaps.

Abstract: A virtually transparent magnetic layer is included as an additional layer in a photographic film strip. Information exchange between various users of the film such as, for example, the film manufacturer, the camera user, the dealer and photofinisher, is facilitated by plural longitudinal magnetic tracks on the film that begin and end within individual frames. Each track is dedicated to the writing and reading of a predetermined set of parameters relating to the corresponding frame, for easy access by a particular one of the various users. Each user has the capability to read and/or write information in self-identifying data fields in the corresponding tracks.

Abstract: A cyanine compound of the following formula: ##STR1## wherein T.sup.1 and T.sup.2 each independently represents an atomic group which is necessary for forming a condensed benzene ring; L.sup.3 represents a methine group or a trivalent connecting group formed by conjugated double bonding of 3, 5 or 7 methine groups; R.sup.21, R.sup.22, R.sup.23 and R.sup.24 each independently represents an alkyl group having 1 to 12 carbon atoms or a phenyl group both of which may or may not be substituted; Y is an anion and q is a number which is necessary for neutralizing a positive charge; provided that at least one of R.sup.21, R.sup.22, R.sup.23 and R.sup.24 is an alkyl group having 3 or more carbon atoms and which may or may not be substituted when L.sup.3 consists of 1, 3 or 5 methine groups.The cyanine compound can be used as a coloring material, a sensitizing dye for photographic use, a recording dye for use in optical information recording media, a staining agent, a pharmaceutical agent, and the like.

Abstract: A photographic film package including a film unit and a light-shielding envelope for enclosing the film unit. The film unit has a photographic film sheet, first and second carrier sheets attached to opposite ends of the photographic film sheet, and a light-locking clip. The light-locking clip is attached to the first carrier sheet by caulking, and has a pair of waved clamping portions. The photographic film sheet is enclosed light-tightly in the light-shielding envelope when the clamping portions clamp an open end of the light-shielding envelope. The second carrier sheet is formed in its leading end portion with an opening extending transversely to the second carrier sheet, so that the inward-facing surfaces of the light-shielding envelope are brought into tight contact with each other through the opening when the light-shielding envelop is grasped at a region overlying the opening.

Abstract: A wide latitude, high resolution radiographic system having a relative speed of at least 150 and a contrast transfer function of at least 0.30 when measured at 6 line pairs per millimeter, comprises at least one X-ray intensifying screen in operative association with a photosensitive silver halide element having a maximum contrast of less than or equal to 3.0 produces superior images, particularly chest images over a wide range of exposures, without the decrease in image quality or contrast normally seen in wide latitude systems.

Abstract: A silver halide photographic material comprises a transparent support, at least one silver halide emulsion layer, and a magnetic recording film. The support and magnetic recording film are prepared by coextrusion of a polyester material containing no ferromagnetic powder and a polyester material containing a ferromagnetic powder. At least one polyester material preferably has a hydrophilic group in its structure or contains a hygroscopic material. Further, the above silver halide photographic material enclosed with a cylindrical cartridge and a magnetic recording sheet consisting of a polyester material and a polyester material with a hydrophilic group in its structure containing a ferromagnetic powder, are disclosed.

Abstract: A silver halide photographic material is provide having at least one silver halide emulsion layer on one surface of a support and having on the other surface of the support, a backing layer containing a mat agent comprising grains having a mean grain size of 15 .mu.m or more in a proportion of at least 5% by volume. Due to the presence of the particular mat agent, the material has improved feedability and has small amount of haze.

Abstract: A photographic film comprises an elongated light-sensitive strip having a longitudinal series of similar size rectangular exposure areas whose proportion of the width to the height is less than 2:1. Each exposure area is pre-exposed along a top-most portion and/or a bottom-most portion to limit the useable size of each exposure area during picture-taking to one whose proportion of the width to the height is at least 2:1. Thus, the useable size of each exposure area provides a panorama-like image format.

Abstract: An optical storage medium for storing binary data adapted to be written upon by a laser forming an array of encoded spots is composed of a substrate possibly covered with a mirror layer and including a matrix of a transparent dielectric material such as a polymer upon which a vacuum deposited discontinuous film of nucleated metallic islands is deposited having thicknesses of less than about 100 .ANG.. The particles extend up to 1000 .ANG. transversely generally parallel to the surface of said substrate. The islands are separated by a short distance for facilitating coalescence of particles together to effect writing of spots at low energy by the lateral motion and gathering of the islands during heating of the islands by a laser beam or the like. Each spot represents a data bit in a binary position code. The matrix material has low thermal conductivity and preferably a low melting point to facilitate writing at low energy.

Abstract: A photographic element comprising (A): a photographic film patrone, having one end of a photographic film wound around a spool rotatably provided within the main body of the patrone, said film being delivered through the film outlet of the main body of the patrone to the outside by rotating said spool in the direction of film delivery and (B): a photographic film wherein at least one protective coat layer is provided on a support of said photographic film and said protective coat layer includes a radiation-cured resin.

Abstract: A process for improving the method by which a powder such as a dye is added to a gelatino silver halide element is described. This process involves encapsulating the powder within a gelatin capsule. This process avoids cross-contamination and dusting when powder is added to solvent and also reduces the use of extra solvent in the manufacture of the element.

Abstract: An image forming method comprising;subjecting an image forming medium containing at least a photosensitive silver halide, an organic silver salt, a reducing agent, a polymerizable polymer precursor and a photopolymerization initiator, to imagewise exposure, followed by heating to produce a light-absorbing organic compound in said image forming medium; and subjecting said image forming medium in which said light-absorbing organic compound has been produced, to polymerization exposure to cause said polymerizable polymer precursor to polymerize; where the light-absorbing characteristics of said light-absorbing organic compound are utilized to suppress the polymerization of said polymerizable polymer precursor at the area at which said light-absorbing organic compound has been produced.

Abstract: An optical or magneto-optical recording card is produced using a transfer type optical or magneto-optical recording medium. The transfer type optical or magneto-optical recording medium comprises a base film, a peeling layer, an optical or magneto-optical recording layer and a light permeable adhesive layer which are successively superimposed one above another to constitute a layered structure. A protective layer is adhered to the transfer type optical or magneto-optical recording medium with the aid of an adhesive layer and the base film is then peeled off together with the peeling layer. Next, the protective layer to which the optical or magneto-optical recording layer is adhered is adhesively attached to a card base in such a manner that the optical or magneto-optical recording layer is interposed therebetween whereby an optical or magneto-optical recording card is completely produced. The transfer type recording medium can be preserved in such a state that it is wound about a reel.

Abstract: An X-ray photographic material having:(1) at least one sensitive silver halide photographic emulsion layer provided on both sides of a support; and(2) at least one layer provided on at least one side of the support for fixing a dye which can be decolorized during development and which absorbs light in the sensitive region of the photographic material and wherein:(3) the dye contributes to the reduction of cross-over to less than 10%; and(4) the dye is a compound selected from the group consisting of compounds represented by the following general formula (I) and is dissolved in an oil which is a solvent substantially insoluble in water and having a boiling point of not lower than 160.degree. C. and which is dispersed as oil droplets or is loaded and dispersed in a polymer latex: ##STR1## wherein X and Y each represents a substituent group, or X and Y may be combined together to form a heterocyclic ring L.sup.1, L.sup.2 and L.sup.

Abstract: A virtually transparent magnetic layer is included as an additional layer in a photographic film strip. Information exchange between various users of the film such as, for example, the film manufacturer, the camera user, the dealer and photofinisher, is facilitated by plural longitudinal magnetic tracks on the film that begin and end within individual frames. Each track is dedicated to the writing and reading of a predetermined set of parameters relating to the corresponding frame, for easy access by a particular one of the various users. Each user has the capability to read and/or write informaton in self-identifying data fields in the corresponding tracks.

Abstract: The present inventions relate to a processing method for processing, with a developing time of not more than 180 seconds, a silver halide color photographic light-sensitive material comprising a support, provided thereon, with at least one silver halide emulsion layer, and at least one emulsion layer containing silver iodo-bromide with not less than 0.5 mole % of silver iodine, in particular to an active processing method wherein, a light-sensitive material B not only containing silver iodo-bromide with an iodine content of not less than 0.5 mole % but also a magenta coupler and providing a maximum magenta density, after exposed, and being capable of only satisfying the maximum magenta dye density M of M<2.0 if exposed under specific conditions and then subjected to color developing of a duration of three minutes 15 seconds at 38.degree. C. with a specific developer solution, is capable of offering a maximum magenta density satisfying M.gtoreq.2.

Abstract: An optical recording card is produced using a transfer type optical recording medium. The transfer type optical recording medium comprises a base film, a peeling layer, an optical recording layer and a light permeable adhesive layer which are successively superimposed one above another to constitute a layered structure. A protective layer is adhered to the transfer type optical recording medium with the aid of an adhesive layer and the base film is then peeled off together with the peeling layer. Next, the protective layer to which the optical recording layer is adhered is adhesively attached to a card base in such a manner that the optical recording layer is interposed therebetween whereby an optical recording card is completely produced. The transfer type recording medium can be preserved in such a state that it is wound about a reel. Accordingly, the transfer type recording medium is adhered to the protective layer when the optical recording card is produced, and thereafter it is adhered to the card base.

Abstract: The present invention provides a photographic support which comprises a base paper and polyolefin resin layers provided on both sides of the base paper by extrusion coating of molten polyolefin resins, wherein the polyolefin resin layer provided on the side of the base paper opposite to the side to be coated with photographic emulsion layer has multi-layer construction and a method for producing the photographic support. This photographic support is excellent in anticurl properties and adhesion between the base paper and the resin layer.

Abstract: Disclosed is a plastic film comprising a support and an antistatic layer, provided thereon, comprising a reaction product of a water-soluble electroconductive polymer, hydrophobic polymer particles and a curing agent, characterized in that the hydrophobic polymer has a polyalkylene oxide chain.

Abstract: A silver halide light-sensitive color photographic material improved on the sharpness and the graininess of images is disclosed. The photographic material of the invention comprises a support having thereon photographic component layers including a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a blue-sensitive silver halide emulsion layer, in which the photographic component layers have a total dry thickness of not more than 18 .mu.m , and at least one of the photographic component layers contains a coupler capable of releasing a scavenger which is capable of scavenging the oxidation product of a color developing agent.

Abstract: A silver halide color photosensitive material comprising a support having a metal surface with secondary diffuse reflection and a total reflectance of 0.5 or more in the visible wavelength region of 420 to 680 nm, said support having provided thereon a photosensitive silver halide emulsion layer containing a yellow coupler, a photosensitive silver halide emulsion layer containin a magenta coupler, and a photosensitive silver halide emulsion layer containing a cyan coupler and at least one non-photosensitive hydrophilic colloid layer, wherein the volume ratio R of the hydrophilic constituents in each photosensitive silver halide emulsion layer with respect to the non-hydrophilic constituents therein is 1.30 or less, and the photosensitive silver halide emulsion layer containing a color coupler which is arranged nearest the support has an R value of 1.20 or less.

Abstract: A method for forming color photographic images is disclosed. The method comprises steps ofimagewise exposing to light a silver halide color photographic light-sensitive materialdeveloping the light-sensitive material with a color developer,bleaching, immediately after the step of developing, the light-sensitive material with a bleacing solution, andtreating the bleached light-sensitive material with a solution having fixing capablility, whereinthe light-sensitive material comprises a support and hydrophilic colloid layers including a silver halide emulsion layer provided on a side of the support, and a total dry thickness of the hydrophilic colloid layers is not more than 17 .mu.m, andthe bleaching solution contains a ferric complex salt of a compound represented by the following formula in an amount of within the range of from 0.002 mole to 9.4 mole per liter of the bleaching solution; ##STR1## wherein A.sub.1, through A.sub.4 are each a --CH.sub.2 OH group, a --COOM, or a --PO.sub.3 M.sup.1 M.sup.2.

Abstract: A color photographic light-sensitive material capable of being processed at an ultrahigh speed, which comprises at least two light-sensitive layers on at least one side of a support wherein each layer contains a light-sensitive silver halide emulsion and a nondiffusive oil-soluble coupler capable of coupling with an oxidation proudct of an aromatic primary amine color developing agent to produce a dye, said light-sensitive layers having different sensitive wavelength ranges, said silver halide is silver chloride or silver chlorobromide containing at least 90 mol % of silver chloride, and the alkali-consuming amount of said light-sensitive material is not more than 2.6 mmol/m.sup.2.A process for the formation of color images using the light-sensitive material, which comprises imagewise exposing light-sensitive material, and then subjecting the material to color development for not more than 20 seconds.

Abstract: A miniaturized package of a photosensitive material, which comprises a silver halide photosensitive material comprising a transparent synthetic resin support having at least one photosensitive silver halide emulsion layer formed thereon and a sealed container containing the photosenstive material, the support having a water content of 0.3 to 1.5% by weight and the content volume of the sealed container being 0.08 x cm.sup.3 or less when the area of one surface of the photosensitive material is x cm.sup.2. By this miniaturized package, the size and weight of camera can be reduced. The photographic properties of the photosensitive material contained in the package are not easily deteriorated.

Abstract: An aggregated-Group Ib metal colloid is prepared, which may be used to form stable color-differentiated images, by the selective application of thermal energy thereto. The metal aggregates, when exposed to thermal energy, revert either to the unaggregated metal or to an aggregate of lesser dimension. This change induces a color change in the material, which is clearly visible against those areas not so exposed. The metal aggregates, when dispersed in a polymeric matrix, are stable in the absence of heat.

Abstract: A photographic material package unit composed of a container sealed to ambient light containing a silver halide color light-sensitive film, the container having a shutter means for admitting a predetermined amount of light to the container and a lens for forming an image on the film using the light admitted by the shutter means; the color film being composed of a support having thereon:(a) at least one blue-sensitive silver halide emulsion layer containing a yellow coupler and having a spectral sensitivity distribution with a maximum spectral sensitivity of from 406 nm to 480 nm, the distribution within 80% of the maximum value being in a range of from 400 nm to 500 nm;(b) at least one green-sensitive silver halide emulsion layer containing a magenta coupler and having a spectral sensitivity distribution with a maximum spectral sensitivity of from 527 nm to 580 nm, the distribution within 80% of the maximum value being in a range of from 500 nm to 600 nm;(c) at least one red-sensitive silver halide emulsion l

Abstract: Assemblies of double coated radiographic elements exhibiting sharply curtailed crossover and front and back intensifying screen pairs are disclosed. By choosing a front screen that exceeds a stated sharpness criterion, expressed in terms of modulation transfer factors (MTF), and a back screen and adjacent emulsion layer unit combination exhibiting a photicity at least twice that of the combination of the front screen and its adjacent emulsion layer unit an enhancement in detective quantum efficiency (DQE) is realized.

Abstract: A silver halide black and white photographic material for printing a developed transparent color photographic material is disclosed, which comprises a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the emulsion layer is composed of a silver halide emulsion which maintains a spectral sensitivity substantially between 520 nm and 620 nm and contains substantially no iodine.

Abstract: A method for forming photographic color images is disecond closed, in which a silver halide color photographic light-sensitive material is rapidly processed with low replenishment of processing solutions. The images improved in lowered yellow stain can be obtained. The processing comprises steps of color developing, bleaching immediately after the developing step, and treating with a bath having a fixing capability following the bleaching step. The steps of bleaching and treating with a solution having a fixing capability are carried out for a time of not more than 3 minutes 45 seconds at a temperature of from 20.degree. to 45.degree. C. The light-sensitive material comprises silver halide emulsion layers each containing silver bromide and/or silver boromoiodide grains and satsifies at least one of the following requirements (1) and (2); (1) a blue light-sensitive emulsion layer included in the silver halide emulsion layers has a silver density d of not less than 4.0.times.10.sup.-1 g/cm.sup.3.

Abstract: A photographic element which is adapted for an image-forming process using a thermal-developing-process image-forming apparatus equipped with rollers for conveying photographic elements capable of forming images by thermal development and which comprises a support having a stiffness in the machine direction of 4.0 to 5.0 g.cm and a stiffness in the transverse direction of 2.9 to 3.4 g.cm.

Abstract: A double coated radiographic element is disclosed which exhibits a crossover of less than 5 percent and which is provided with a silver halide emulsion layer unit on one side of its transparent film support that is at least twice the speed of the silver halide emulsion layer unit on the opposite side of the film support.

Abstract: A process of contacting two photographic elements by juxtaposing the elements and drawing a vacuum between them is described wherein at least one of the elements has been exposed and processed and comprises a support having thereon, as the outermost layer facing the other element, a matte layer comprising matte particles and a polymeric binder. This process is improved by utilizing as the matte layer a layer comprising less than about 1.08 g/m.sup.2 of binder and having matte particles that are present in an amount sufficient and have a mean diameter great enough so that the outermost layer has a roughness measurement, R.sub.a as defined by ANSI Standard B46.1 1985, of greater than about 1.00 microinches.

Abstract: A silver halide photographic material is described composed of a polyester support having a hydrophilic colloidal layer containing a polymer latex on at least one side thereof, wherein the polyester support has a subbing layer having a thickness of 0.3 .mu.m or more and containing a vinylidene chloride copolymer composed of at least (1) from 70 to 99.9% by weight of a vinylidene chloride monomer and (2) from 0.1 to 5% by weight of a vinyl monomer having at least one carboxyl group, the subbing layer further containing a compound represented by formula (I) or (II): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each represents a chlorine atom, a hydroxyl group, an alkyl group, an alkoxy group, an alkylthio group, --OM (wherein M represents a monovalent metal atom), --NR'R", or --NHCOR'" (wherein R', R", and R'" each represents a hydrogen atom, an alkyl group, or an aryl group); Q.sup.1 and Q.sup.

Abstract: An imaging sheet roll has a spool on which is wound a film coated with photosensitive microcapsules to form a roll of film between flanges extending radially at the opposite ends of the spool and provide with annular step portions, and a leader tape of a material that is impermeable to light is bonded to the end portion of the film at which the latter unwinds from the spool and has a transverse width greater than that of the film. The leader tape is wound around the annular step portions of the flanges to seat thereagainst and prevent irradiation by light of the photosensitive microcapsules coating the film wound on the spool.

Abstract: A self-processing film unit has an over sheet for covering a surface which is exposed after an image recording sheet with a positive image recorded therein has been peeled off. The over sheet is superimposed on the exposed surface after peeling-off and adheres to the exposed surface to prevent processing liquid remaining on that exposed surface from soiling the hands or clothing of the user.

Abstract: The matting agent particles of matted photographic imaging materials contain a finely divided solid as well as a dye that is only present at the image-forming points after exposure and development of the material. The starry night effect is thereby avoided. The dye can be formed during exposure and development from a precursor, e.g., from silver halide or from couplers for color photography or for diazo processes.

Abstract: A support sheet for photographic paper having an enhanced resistance to curling, especially twist-curling, comprises a substrate paper sheet composed of a half stratum portion thereof at the face side of a surface on which a photographic emulsion layer will be formed and the other half stratum portion thereof at the back side of the opposite surface, and two polyolefin resin coating layers on the two surfaces of the substrate paper sheet, the substrate paper sheet having a resiliency satisfying the relationships (I) and (II):1.5.ltoreq.E.sub.fl /E.sub.bt .ltoreq.2.25 (I)=and ##EQU1## wherein E.sub.fl =a modulus of elasticity of the face side half stratum portion in the longitudinal direction of the substrate, E.sub.bt =a modulus of elasticity of the back side half stratum portion in the transverse direction of the substrate, E.sub.ft =a modulus of elasticity of the face side half stratum portion in the transverse direction of the substrate, and E.sub.

Abstract: A silver halide photographic light-sensitive material is disclosed which is excellent in the super-rapid processability. The photographic material comprises a support having thereon at least one hydrophilic colloid layer comprising at least one silver halide emulsion layer. The hydrophilic colloid layer is formed by one or more times of coating provided that wet thickness of the layers coated in each time of coating is within the range of from 35 to 80 .mu.m, and a total content of gelatin of the whole hydrophilic colloid is in an amount of from 2.20 to 3.10 g/m.sup.2. The photographic material is suitable for super-rapid processing by an automatic processor for 20 to 60 seconds.

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.