Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a silver halide emulsion layer and a hydrophilic colloid layer provided at the farthest position from the surface of the support on which the emulsion layer is provided. In the light-sensitive material, the silver halide emulsion layer contains tabular silver halide grains each having an aspect ratio of not less than 3; and the hydrophilic colloid layer contains a polymer latex comprising a polymer which comprises a repeating unit derived from a monomer having a solubility in water of not higher than 0.025 % in weight at 25.degree. C.

Abstract: A coated film having a polymeric film substrate with a subbing layer containing greater than 30% by weight of a polymer which has greater than 60 mole % of a repeating unit(s) containing a pendant nitrogen atom(s). The coated film exhibits excellent adhesion to photographic emulsion layers.

Abstract: The present invention relates to photosensitive silver halide recording material with reduced pressure sensitivity. The occurrence of pressure marks can be minimized by protective layers with suitable additives. Other properties of the recording material, such as sensitivity, contrast, and clarity, are not affected adversely. Recording materials with protective layers containing polyolefin oxidates are largely insensitive to pressure marks and have low haze, high sensitivity, and high contrast. The invention's recording materials can be used in all fields of photographic and radiographic image production, especially in reproducing color images in steps preliminary to printing and in recording x-ray images for medical diagnostics.

Abstract: A silver halide photographic material comprising a polyester support having formed thereon at least one light-sensitive silver halide emulsion layer is disclosed, said polyester support having a glass transition temperature of from 90.degree. to 200.degree. C. and having had at least one side thereof subjected to ultraviolet-light irradiation. The photographic material exhibits improved anticurl properties and high adhesion between the emulsion layer and the support.

Abstract: The invention describes silver halide packet emulsion grains or crystals that are conventionally precipitated using gelatin of a given isoelectric pH, surrounded by a layer of gelatin-grafted-polymer particles wherein the grafted gelatin has a different isoelectric pH and the said gelatin-grafted-polymer particles are optionally chemically bonded to the gelatin surrounding the silver halide microcrystals. Such packet emulsions can form the basis for a mixed-packet color photographic system.

Abstract: A photographic support material with a coating on each side. At least one of the coatings comprises a mixture of polyolefins and optional agents that have a positive effect on the utilization of the support material. A white pigment is an example. The polyolefin mixture comprising the coating contains at least one copolymer of an .alpha.-olefin with an .alpha., .beta.-unsaturated carboxylic acid. At least 5% and preferably 20% to 80% by weight of the mixture is copolymer.

Abstract: There is disclosed a silver halide photographic material containing a dispersion of a hydrophobic compound and a water-insoluble and organic solvent-soluble polymer as defined herein. The hydrophobic compound may be a dye which is photochemically inactive during storage but readily decolored and eluted in photographic processing.

Abstract: This invention describes the use of surfactants of the following types:Type A--Surfactant comprising 6 to 22 carbon atom hydrophobic tail with one or more attached hydrophilic chains comprising at least 8 oxyethylene and/or glycidyl ether groups that may or may not be terminated with a negative charge such as a sulfate group.Type B--Block oligomeric surfactants comprising hydrophobic polyoxypropylene blocks (A) and hydrophilic polyoxyethylene blocks (B) joined in the manner of A--B--A, B--A--B, A--B, (A--B.sub.n .tbd.G.tbd.(B--A).sub.n, or (B--A).sub.n .tbd.G(A--B).sub.n, where G is a connective organic moiety and n is between 1 and 3.Type C--Sugar surfactants, comprising between one to three 6 to 22 carbon atom hydrophobic tail with one or more attached hydrophilic mono or oligosaccharidic chains that may or may not be terminated by a negatively charged group such as a sulfate group.

Abstract: Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating include an adhesive interlayer interposed between the imaging layer and a protective overcoat layer. The adhesive interlayer, which is comprised of a polymer having pyrrolidone functionality, strongly bonds the overcoat layer to the imaging layer.

Abstract: The invention provides photographic paper having increased image stability. The invention is generally accomplished by forming a paper sheet, drying said paper in a first stage to below about 10 percent water, then applying a polyvinyl alcohol solution to both sides of said paper sheet, drying said paper in a second stage to below about 5 percent water, and then applying further polyvinyl alcohol solution to said paper and drying in a third stage. The paper then may be coated to form a silver halide photosensitive color paper. The paper contains between about 4 and about 6 weight percent of polyvinyl alcohol that is concentrated near the surface of said paper. Further, the paper has a oxygen leak rate of less than about 25 cc/m.sup.2 / day and an oxygen GTR rate of less than about 1 cc/m.sup.2 /day.

Abstract: Photographic elements having at least one light-sensitive layer and at least one layer having polymeric matte particles surrounded by a layer of colloidal inorganic particles.

Abstract: A silver halide color photographic light-sensitive material capable of providing a dye image having excellent color reproducibility, sharpness and image fastness.

Abstract: A photographic element is provided which readily absorbs aqueous solution during processing and yet readily liberates the water during drying. The photographic element comprises a support; at least one layer coated on said support wherein said layer comprises:(a) hydrophilic colloid;(b) a branched polysaccharide;(c) a polyacrylamide; andat least one of either (d) or (e):(d) a mixture of polyvinylidene chloride and polyacrylate; or(e) a copolymer of vinylidene chloride and acrylate.

Abstract: A silver halide color photographic light-sensitive material includes at least one light-sensitive silver halide emulsion layer and an outermost protective layer on a support. The protective layer contains an acid polymer having a carboxyl, phosphoric acid and/or sulfonic group, and a matting agent formed of particles of a copolymer of methyl methacrylate, ethyl acrylate and methacrylic acid having a specified molar ratio of the repeating units. Also, at least one protective layer contains an ultraviolet absorbent.

Abstract: A photographic element for processing in moderate to large volume photofinishing baths and comprising one and only one dimensionally stable coating support, and coated thereon in reactive association an imaging layer containing radiation sensitive silver halide, a diffusible-dye forming layer containing a diffusible-dye forming compound, and a barrier layer overlaying said diffusible-dye forming layer is disclosed. This coating support is selected from reflection base and transparent base materials, and this diffusible-dye forming layer may be the same or different than this imaging layer. This barrier layer contains a polymer that allows the passage of solutions for processing when this element is contacted with an external processing bath, and impedes the diffusion out of this element of the diffusible dye formed from this diffusible-dye forming compound.

Abstract: Antistatically treated plastic formed articles, e.g. photographic film supports, that contain at least two layers on the surface to be antistatically treated, wherein a layer nearer to the plastic surface contains a preparation of a polythiophene that is built up from structural units of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of each other stand for hydrogen or a C.sub.1 -C.sub.4 -alkyl group or together form an optionally substituted C.sub.1 -C.sub.4 -alkylene group, preferably a methylene group optionally substituted by alkyl groups, a 1,2-ethylene group optionally substituted by C.sub.1 -C.sub.12 -alkyl or phenyl groups, a 1,3-propylene group or a 1,2-cyclohexylene group,and a polyanion, a farther layer contains a film-forming polymer and at least one of the two layers contains an alkoxysilane, are characterized, apart from excellent antistatic properties, by very good layer adhesion.

Abstract: A color photographic material having photographic constituent layers including at least one light-sensitive silver halide emulsion layer on a reflective support, wherein the light-sensitive silver halide emulsion layer comprises silver chloride or silver chlorobromide containing 90 mol % or more of silver chloride is disclosed. The reflective support comprises at least one water-resistant resin layer, the water-resistant resin layer on the side of the support on which a silver halide emulsion layer is formed contains 14% by weight or more of a white pigment, and the total amount of calcium contained in the photographic constituent layers on the light-sensitive layer side of the photographic material is 10 mg/m.sup.2 or less, or the photographic material comprises at least one hydrophilic colloid layer on the support, the hydrophilic colloidal layer contains a white pigment at a coating amount of 2 g/m.sup.

Abstract: A silver halide photographic light-sensitive material is disclosed. The material comprises a light-sensitive silver halide emulsion layer and containing both of a latex stabilized by gelatin and a redox compound from which a development inhibitor is released when the redox is oxidized in the emulsion layer or other non-light-sensitive hydrophilic colloidal layer. The silver halide photographic light-sensitive material is suitable for graphic arts plate-making use and is excellent in Ming-Gothic type reproduction, screen-image enlarging and screen-image reduction aptitudes, white-on-color letter quality, paste-up trace prevention, easy handling and stability.

Abstract: The invention creates a selective oxygen barrier around individual coupler or other photographically active particles by surrounding each particle with a layer of water applicable oxygen barrier polymer such as polyvinyl alcohol (PVA), which will also act as a steric barrier to coalescence of the particles. Photographic products formed with such materials are more dye stable.

Abstract: A cationic high-molecular weight compound is represented by formula (I): ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and each represents a hydrogen atom or C.sub.1-6 lower alkyl group; L.sup.1 represents --COO-- or --CONH-- and L.sup.2 represents a divalent group; J represents a C.sub.1-20 alkylene group or C.sub.7-20 aralkylene group; R.sup.3, R.sup.4 and R.sup.5 may be the same or different and each represents a C.sub.1-20 alkyl group or C.sub.7-20 aralkyl group; X.sup.

Abstract: Method for making lithographic aluminum offset printing plates according to the DTR-process by photo-exposing a photosensitive monosheet layer assemblage comprising a hydrophilic aluminum foil, an intermediate layer comprising hydrophobic polymer beads prepared by polymerization of ethylenically unsaturated monomer(s) and having an average diameter not lower than 0.2 .mu.m, and a silver halide emulsion layer, applying an aqueous alkaline solution to the photo-exposed silver halide emulsion layer in the presence of a developing agent and a silver halide solvent to form a silver image and to allow unreduced silver halide or complexes formed thereof to diffuse image-wise from the developed silver halide emulsion layer to said aluminum foil to produce thereon a silver image, and separating said emulsion layer and said intermediate layer from the imaged aluminum foil. The invention also relates to the photosensitive monosheet layer assemblage used for making such printing plates.

Abstract: A silver halide photographic material has provided on a support a non-light-sensitive surface layer which contains an organic polymer represented by formula (I) and having a mean grain size of 1.0 .mu.m or more, the polymer being produced by suspension polymerization: ##STR1## wherein A is a repeating unit obtained by polymerization of at least one monomer having two or more copolymerizable ethylenic unsaturated groups; B is a repeating unit obtained by polymerization of at least one monomer having one copolymerizable ethylenic unsaturated group; and x, y and z each represents a weight percentage, x is a number of from 1 to 40, y is a number of from 30 to 99 and z is a number of from 0 to 65. The material has good vacuum contact adhesiveness in contact exposures, and the transparency of the processed material is good.

Abstract: Disclosed is a silver halide photographic light-sensitive material comprising a base paper support coated with a hydrophilic polymer as a peeling agent, and having thereon, a polyolefin resin layer, and at least one silver halide emulsion layer, wherein the hydrophilic polymer is coated on the side on which the silver halide emulsion layer is provided, and a peel strength between the base paper support and the polyolefin resin layer is within the range of 30 to 160 g in weight per inch, and a maximum color transmission density is not less than 2.0 when the silver halide light-sensitive material is subjected to a color developing.

Abstract: An improved photographic support, especially useful for color prints, is comprised of a paper base material having thereon a polyolefin coating containing a white pigment and an optical brightener, such as a mixture comprising inclusion compounds of certain fluorescent bis(benzoxazolyl)-stilbenes.

Abstract: A radiographic screen comprising a support, a layer comprising a fluorescent phosphor dispersed in a binder and a protective topcoat coated over the phosphor binder layer, wherein the edges are reinforced by a radiation cured coating obtained by curing a radiation curable composition comprising a polyester prepolymer, and a diluent mono-functional monomer.

Abstract: In accordance with this invention a photographic color diffusion transfer element is provided wherein said element comprises a single dimensionally stable transparent support and coated thereon in reactive association and in sequence (1) a mordant layer for binding diffusible dyes, (2) a light reflecting layer, (3) imaging layers comprising a radiation sensitive layer comprising silver halide and a diffusible dye forming layer comprising a diffusible dye forming compound, and (4) a barrier layer comprising a polymer that allows the passage of solutions for processing said element when said element is contacted with an external processing bath, and wherein said barrier layer impedes the diffusion out of said element of the diffusible dye formed from said diffusible dye forming compound.

Abstract: A photographic support material comprising a plastic foil or plastic coated paper coated on the rear side with a composition that can be printed with thermal printers and does not pick up dirt or discoloration in developing baths, has good adhesive tape adhesion, good printability with conventional printers, good abrasion resistance and bath resistance, and a good antistatic finish. The coating composition comprises an aqueous mixture of colloidal aluminum modified silica, a polyfunctional aziridine, an alkali salt of an organic polyacid, and a plastic dispersion with free carboxyl groups, a residual monomer content of < 200 ppm, > 50 mol % rigid monomers in the polymer and the interfacial tension of the dried film of > 50 dyn/cm.

Abstract: Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating are provided with both a backing layer and an electroconductive layer to reduce static electricity effects and improve conveyance through processing equipment. The backing layer is an outermost layer and is located on the side of the support opposite to the imaging layer whereas the electroconductive layer is an inner layer and can be disposed on either side of the support.

Abstract: A light sensitive photographic element is disclosed having a support bearing at least one light sensitive silver halide emulsion layer and at least one non-light sensitive stress absorbing layer between the emulsion layer and the support, wherein the stress absorbing layer comprises a polymer and a hydrophilic colloid in a mass ratio of greater than or equal to about 1:2, the polymer having a glass transition temperature of less than about 5.degree. C. It has been found that pressure fog can be substantially reduced while maintaining scratch resistence when such a stress absorbing layer is present.

Abstract: Disclosed is a biaxially stretched polyester film which comprises a polyester film and a coating layer composed of a resin composition comprising (A) an acrylic polymer and/or (B) a polyester copolymer and at least (C) a polymer containing a monomer having a sulfonic acid group neutralized with an organic amine in its recurring unit or (D) a polymer containing a monomer having a sulfonic acid group neutralized with ammonium on at least one surface of the polyester film.

Abstract: A light sensitive photographic element is disclosed having a support bearing at least one light sensitive silver halide emulsion layer, an overcoat layer, and at least one non-light sensitive stress absorbing layer between the emulsion layer and the overcoat layer, wherein the stress absorbing layer comprises a polymer and a hydrophilic colloid in a mass ratio of greater than or equal to about 1:1, the polymer having a glass transition temperature of less than about 5.degree. C. It has been found that pressure fog can be substantially reduced when such a stress absorbing layer is present.

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

Abstract: This invention provides a color silver halide photographic element having improved color saturation and a method of developing the photographic element. The photographic element comprises at least a first and a second silver halide emulsion layer each sensitized to a different region of the spectrum with at least one of the emulsion layers being in reactive association with a DIR compound which can release an anionic development inhibitor. The photographic element further contains a barrier layer containing an anionic latex polymer such that the barrier layer is positioned further from the support than the first and second silver halide emulsion layers.

Abstract: High contrast graphic arts photographic materials exhibiting improved accuracy in image reproduction are comprised of a support, a silver halide emulsion layer having a chloride content of at least 50 mole percent, and a non-electroconductive hydrophilic colloid layer containing both a vinyl polymer and a hydrophilic colloid interposed between the support and the silver halide emulsion layer. A hydrazine nucleating agent is incorporated in or adjacent to the silver halide emulsion layer and the photographic material preferably also contains an amino compound which functions as a booster.

Abstract: An improved method for manufacture of a thermographic or photothermographic element comprises the addition to the imaging composition of an amount sufficient to enhance the adhesive characteristics thereof of a polyalkoxysilane which has been pre-hydrolyzed in an organic solvent with a stoichiometric amount of water. A particularly suitable material is tetraethoxysilane which has been hydrolyzed in acetone with four moles of water for each mole of tetraethoxysilane.

Abstract: The adhesion of photographic layers to a film base thateither has, on one or both sides, a surface consisting of a polyolefin layer that has been treated with a corona discharge,or consists of a polyester film provided with a (first) substrate layeris improved by an adhesive layer that is applied in the form of an oil-in-water emulsion consisting of50 to 60 wt % of oil-formers and40 to 50 wt % of a solid consisting of50 to 80 wt % gelatin and20 to 50 wt % colloidal SiO.sub.2together with the following layers to the surface of the film base.

Abstract: A silver halide color photographic reflection print element comprises a paper support impregnated or coated with a substance that lowers its oxygen transmission rate and its oxygen leak rate, at least one polyolefin-containing layer containing a total of at least 70 g/m.sup.2 or a polyolefin coated on the paper support, and at least one color-forming silver halide emulsion layer, said emulsion layer or layers overlying a polyolefin-containing layer. In one embodiment, the paper support is impregnated with a substance that lowers its oxygen gas transmission rate to less than 1 cc/m.sup.2 /day and its oxygen leak rate to less than a 25 cc/m.sup.2 /day. The support has low permeability to oxygen and to water vapor. The silver halide color photographic element produces a dye image with improved resistance to fading by light, particularly under conditions of prolonged exposure to low-intensity light.

Abstract: Resin coated photographic base paper having improved stiffness is made by co-extruding a face side resin coating having a first layer of pigmented LDPE and over it a thin layer of a stiff polymer, especially polycarbonate. An intermediate layer of a strongly adhesive polymer may be included to enhance bonding between the first and second layers. The base paper may also have a co-extruded wire side resin coating with a stiff polymer second layer.

Abstract: A composite film article which is a flexible, heat resistant polymeric film material having a non-opaque, partially translucent white surface side, having a visible light opacity of from about 0.90 to about 0.99; and a non-opaque, black surface side having a visible light opacity of less than 1.0, a transmission density of less than about 2.0 and a thickness of less than about 5.0 microns. The article may be used as a base for images such that the images have a reduced optical dot gain.

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 silver halide photographic light-sensitive material excellent in antistatic property and evelopment uniformity is provided, comprising a support having on one side thereof hydrophilic colloidal layers including a silver halide emulsion layer, which is exposed and processed with an automatic processing machine, wherein at least one of the hydrophilic layers contains a water-soluble polymer represented by formula [I] or a water-soluble polymer having a repeating unit represented by formula [II], and a nonionic surfactant represented by formula [IIIa], [IIIb] or [IIIc].

Abstract: Photothermographic articles containing interfacial barriers comprising a layer of a polymeric organic acid containing carboxyl and/or sulfo groups in direct contact with an adjacent layer comprising a basic polymer capable of forming hydrogen bonds with the polymeric organic acid are disclosed. A crosslinked barrier is formed at the interface between the layers which has substantial impermeability to chemical diffusion.

Abstract: An improved coating composition is detailed which increases the range of differential pressure within which a photographic element can be coated on a slide bead coating apparatus. The improved composition comprises a novel combination of the polymer shown in Formula 1 and the surfactant shown in Formula 2. The substituents are described.

Abstract: Protective overcoat compositions and photographic elements containing same comprise:(a) a hydroxylated latex polymer;(b) a hydrolyzed metal lower alkoxide; and,(c) a fluoroalkyl polyether surface active agent.The overcoat is transparent and flexible and provides protection against scratches and abrasion.

Abstract: The invention creates a selective oxygen barrier around individual coupler or other photographically active particles by surrounding each particle with a layer of water applicable oxygen barrier polymer such as polyvinyl alcohol (PVA), which will also act as a steric barrier to coalescence of the particles. Photographic products formed with such materials are more dye stable.

Abstract: Disclosed is a process for producing a titanium dioxide pigment used for a resin-coated paper type photographic support, comprising the following steps:(a) a step of adding at least one alkaline earth metal compound in an amount of 0.01-2.0% by weight in terms of a metal oxide based on the titanium dioxide before calcination step and(b) an acid-washing step of washing the titanium dioxide at acidic state after the calcination step and before a step of surface treatment with a hydrated metal oxide,and wherein particle size of the titanium dioxide pigment is 0.110-0.150 .mu.m shown by number-average diameter obtained by measuring the diameter in a certain direction using an electron microscope.A photographic support which comprises the above titanium dioxide pigment is also disclosed.Occurrence of die lip stain and microgrit are substantially restrained in this photographic support and a photographic material made of it shows improved image sharpness.

Abstract: Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating and in which a polyalkoxysilane is incorporated in the imaging composition to provide enhanced adhesion are protected against undesirable width-wise curling by interposing a barrier layer between the support and the image-forming layer. The barrier layer, which is composed of poly(silicic acid) and a water-soluble hydroxyl-containing monomer or polymer that is compatible therewith prevents migration from the image-forming layer to the support of by-products of hydrolysis of the polyalkoxysilane which can cause width-wise curl and consequent jamming of processing equipment.

Abstract: A silver halide light-sensitive material is disclosed, which has high light-sensitive speed and improved gradation and sharpness. The light-sensitive material comprises a paper substrate which has polyolefin resin layers on both sides thereof, and a silver halide emulsion layer provided on one of the polyolefin layers. The polyolefin layer on which the silver halide emulsion layer to be provided contains white pigment particles in an amount of not less than 13 weight percent of the polyolefin resin contained in the polyolefin layer, and surface of the polyolefin layer on which the emulsion layer to be provided has a di-dimensional arithmetical mean deviation of the profile, SRa, of not larger than 0.14 .mu.m, and the silver halide emulsion layer comprises at least two kinds of monodispersed silver halide emulsions each having a silver chloride content of not less than 90 mole % and being different from each other in speed.

Abstract: In the support member for photographic printing paper of the present invention, a white reflective layer is placed on a base material by coating and drying a coating composition, said coating composition contains a white pigment having titanium oxide as principal component and a binder having a copolymer of vinyl chloride - vinyl acetate and maleic acid anhydride soluble in organic solvent and having polymerization degree of 250 or more, said copolymer containing vinyl chloride, vinyl acetate and maleic acid anhydride by component ratio of 20-90 weight %: 5-50 weight %: 2-10 weight %. Thus, the support member can provide photographic image with high resolving power, has high bonding property with base material and silver halide emulsion layer, is easier to produce, and causes discoloring less frequently due to time or heat.

Abstract: This invention provides a photographic element containing a polymer layer which reflects a development inhibitor or its precursor released from a DIR compound thereby retarding the diffusion of the development inhibitor to another layer. The polymers used in the barrier layer contain from about 1.times.10.sup.-5 to about 4.times.10.sup.-3 ion forming functional groups. The preferred polymers comprise repeating units of the formula --(A).sub.m -(B).sub.n -- with A derived from a hydrophobic monomer and B derived from an ionic hydrophilic monomer with the more preferred monomers being acrylates, methacrylates, acrylamides and methacrylamides. The invention also provides a method of processing a photographic element containing such a barrier layer.