Abstract: In a photosensitive recording material comprising(A) a photopolymerizable relief-forming layer which can be developed with liquid developer after imagewise exposure to actinic light,(B) a top layer which consists of polymers forming films of high tensile strength, adheres firmly to the photopolymerizable relief-forming layer (A) and is soluble or swellable in the liquid developers and(C) a cover sheet which can readily be peeled off from the top layer (B),the top layer (B) contains specific tertiary amines and/or amides and/or specific quaternary ammonium salts of the type defined in more detail in the claims.Photopolymerized printing plates, relief plates or photoresists are produced by a process in which this recording material is used.

Abstract: A light-sensitive material comprising a light-sensitive layer which contains silver halide, a reducing agent and a polymerizable compound and support, wherin the light-sensitive layer is provided thereon with a cover sheet. A light-sensitive material comprising the light-sensitive layer and a support, wherein the light-sensitive layer is provided thereon with a protective layer is also disclosed.

Abstract: A printing plate precursor comprises a substrate coated with a radiation sensitive composition overcoated with a barrier layer to prevent oxygen inhibiting photopolymerization of the composition. The barrier layer comprises a polymer and an amphoteric compound.

Abstract: A thermally processable imaging element having a hydrophobic imaging layer, an adhesion promoting polymer layer and an overcoat layer comprising poly(silicic acid) provides improved adhesion of the overcoat layer during thermal processing. The adhesion promoting layer comprises a terpolymer that promotes adhesion between the hydrophobic imaging layer and the overcoat layer without adversely affecting sensitometric properties of the imaging element. The adhesion promoting layer is useful in photothermographic and thermographic elements and processes.

Abstract: In a process for the preparation of a multilayered photographic material in which the layers are applied in at least two stages and the material is dried and wound up in between the stages, sticking of the semi-finished preparations does not occur if the uppermost layer applied in the first stage contains polymer particles soluble in alkali and having an average particle diameter from 0.2 to 5.0 .mu.m.

Abstract: Photographic silver halide recording material comprising a support, at least one light-sensitive silver halide emulsion layer, a protective layer and optionally other layers, at least one layer which is arranged closer to the support than the protective layer containing a compound which in the form of the free acid corresponds to the following formula ##STR1## wherein R.sub.1 denotes alkylene, arylene, aralkylene or cycloalkylene,L denotes the residue of a polyester diol having an average molecular weight of from 500 to 20,000,m denotes 0 to 1,n denotes 0 to 30, preferably 0 to 10 and m+n.gtoreq.1,is distinguished by improved properties, in particular an improved maximum density.

Abstract: This invention relates to a radiation polymerizable composition for use in a photographic element such as a lithographic printing plate comprising in admixture(a) a binder resin having the general formula--A--B--C--wherein a plurality of each of components A, B and C occur in ordered or random sequence in the resin and wherein A is present in said resin at about 5% to about 20% by weight and comprises groups of the formula ##STR1## B is present in said resin at about 4% to about 30% by weight and comprises groups of the formula ##STR2## and C is present in said resin at about 50% to about 91% by weight and comprises acetal groups consisting of groups of the formulae ##STR3## where R is lower alkyl or hydrogen, and wherein said group I is present in component C from about 75% to about 85%, group II is present in component C from about 3% to about 5%; and group III is present in component C from about 10% to about 22%;(b) a photoinitiator; and(c) an acrylic monomer having one or more unsaturated groups.

Abstract: A photo negative strip including a sequence of individual photo frames is protected by laminating two slightly narrower strips of transparent protective film onto the opposed surfaces of the photo strip; each protective strip is removably secured to the photo strip by two edge stripes of a pressure sensitive releasable adhesive. The adhesive stripes covers the sprocket holes near the edges of the photo strip, but edge portions of the photo strip are left, uncovered by either protective film, along both outer edges of the photo strip. The preferred protective film is of biaxially oriented polystyrene.

Abstract: Method of providing an image-bearing surface, e.g., a pre-press proof, with a protective covering, comprising laminating to said surface a thin, substantially transparent integral polymeric film, the improvement wherein the polymeric film consists essentially of a mixture of at least two slightly incompatible polymers, whereby the film exhibits a 20.degree. specular gloss that is at least 5% lower than the gloss of a film prepared from any one of said polymer constituents.

Abstract: A silver halide photographic light-sensitive material having excellent scratch resistance is disclosed. The photographic light-sensitive material comprises a support having thereon at least two hydrophilic colloid layers, wherein at least one of the layers is a photosensitive silver halide emulsion layer, and at least one of the layers contains composite latex comprising polymeric acrylic acid ester and/or polymeric methacrylic acid ester, and colloidal silica.

Abstract: An improved antistatic base comprises a polymeric support film having coated thereon in sequence a first antistatic layer comprising a quaternary polyelectrolyte compound and a polymeric hydrophobic binder and a second protective layer comprising a polymeric hydrophobic binder, wherein said quaternary polyelectrolyte compound is a homopolymer or a copolymer of a diallyldialkylammonium salt compound.The antistatic base is particularly useful as a support for light-sensitive silver halide photographic elements.

Abstract: The present invention provides a photographic light-sensitive material having at least one silver halide light-sensitive layer and at least one light-insensitive layer on a support, characterized in that the light-sensitive layer and/or the light-insensitive layer contain(s) a water-soluble or water-dispersible block copolymer comprising one component of a polyvinyl alcohol polymer and the other component of an ionic group-containing polymer. The support is preferably a reflective support, and the light-sensitive layer and/or the light-insensitive layer may contain a fluorescent whitening agent. The present photographic material is processed preferably in the presence of a fluorescent whitening agent. The present material forms a print with excellent background whiteness and excellent surface gloss. The appearance is not deteriorated after preservation under high moisture conditions for a long period of time.

Abstract: An optical recording medium comprising a substrate and a recording layer made of metal and/or semi-metal and on which data can be recorded with a laser beam, wherein a plasma polymerization layer is formed on at least an upper surface of said recording layer.

Abstract: A photoimaged article having a protected image composed of a colored image on a support; and a thin, transparent, flexible, nonself supporting, protective layer on the surface of the image. The layer is substantially nontacky at room temperature, and has at least a major amount based on the weight of the layer of one or more thermoplastic resins of a vinyl acetal, vinyl chloride, or acrylic polymer or copolymer having a Tg of from about 35.degree. C. to about 110.degree. C. The layer is capable of being adhesively transferred directly to the image when the layer is first applied on the release surface of a temporary support, and the image and protective layer are laminated together under pressure at temperatures of between about 60.degree. C. to about 180.degree. C. with subsequent removal of the temporary support. The side of said layer opposite to the image is free from additional layers. The adhesive layer is one which does no cohesively block at temperatures ofabout 50.degree. or less.

Abstract: An antistatic silver halide photographic light-sensitive material having a support, provided thereon, at least one light-sensitive layer and at least one non-light-sensitive layer is disclosed. Said at least one non-light-sensitive layer comprises a polymer compound consisting essentially of a repeated structural unit represented by Formula [I], and a formamide compound represented by Formula [II]; ##STR1## wherein Z, and Z.sub.2 represent the group of the atoms necessary to form a six-membered ring with--N.sup..sym. --; R represents a divalent group; R.sub.1 and R.sub.2 represent independently one selected from the group consisting of an alkyl group and an aryl group; R.sub.3 represents a hydrocarbon group; R.sub.5 and R.sub.6 represent independently a hydrogen atom or an alkyl group; X.sub.1.sup..crclbar. and X.sub.2.sup..crclbar. represent an anion; a and l represent an integer of 0 and 1.

Abstract: Particulate organic polymeric beads in the thermal adhesive layer of prepress color proofing elements prevents adhesive blocking without optical interference or reduction in adhesive performance.

Abstract: A silver halide photographic material is described, comprising a support having formed thereon at least one silver halide emulsion layer and at least one light-insensitive hydrophilic colloid layer, wherein at least one of layers consisting of said at least one silver halide emulsion layer and said at least one light-insensitive hydrophilic colloid layer contains a hydrazine derivative, and wherein at least one of said at least one light-insensitive hydrophilic colloid layer that is formed on the uppermost silver halide emulsion layer contains a dye.

Abstract: An optical disk is formed by stacking a polycarbonate substrate with a first protective layer of amorphous silicon, a recording layer of an InSb alloy, and a second protective layer of an ultraviolet-setting resin, in the order named. The first and second protective layers are formed by sputtering and spin-coating, respectively. After the recording layer of the optical disk, formed in this manner, is subjected to initial crystallization, a light beam is applied to the recording layer. Thereupon, the irradiated portion of the recording layer undergoes phase transformation, thus forming recording marks in different crystal phases. Information is read by applying a weak laser beam to the recording layer with the recording marks therein. As the recording marks are cooled gradually by being exposed to a laser beam, they undergo phase transformation, so that the information is erased.

Abstract: A silver halide photographic material is described, comprising a support bearing at least one silver halide photographic emulsion layer and at least one auxiliary layer on one side or both sides thereof, wherein the silver halide photographic emulsion layer is a layer made of a light-sensitive silver halide emulsion containing silver iodide and an internally fogged silver halide emulsion, or is composed of a layer made of the light-sensitive silver halide emulsion containing silver iodide and a layer made of the internally fogged silver halide emulsion, and the auxiliary layer contains substantially non-light-sensitive silver halide grains having an average grain size of not more than 0.5 .mu.m.

Abstract: A photosensitive material package unit provided with an exposure function that has been preloaded with a photosensitive material having on a support a photographic layer having at least one silver halide emulsion layer and a back layer on the side opposite to the photographic layer is provided.

Abstract: A photosensitive lithographic plate is suitable for use in making a water-less lithographic plate which does not require dampening water. The photosensitive lithographic plate has a primer layer containing a hardened gelatin, a photosensitive layer and a silicone rubber layer. The silicone rubber layer and the photosensitive layer are imagewise removed as a result of the imagewise exposure and development so as to expose portions of the primer layer corresponding to an image. The exposed gelatin-containing plate is securely adhered to the substrate and is easily dyeable for examination of the formed image.

Abstract: A silver halide photographic material having a high covering power with improved pressure resistance and antistatic properties upon development, which comprises at least one silver halide photographic emulsion layer disposed on at least one side of a support, wherein at least one of the silver halide photographic emulsion layer(s) contains a photosensitive silver halide emulsion containing silver iodide and an internally fogged silver halide emulsion, and at least one of the silver halide photographic emulsion layer(s) and an auxiliary layer(s) which is disposed on the same side of the support as that of the support having said emulsion containing silver iodide contains at least one polyoxyethylenic surface active agent selected from the group consisting of compounds represented by formula (I) and (II) ##STR1## wherein R.sub.1, R.sub.2, R.sub.6, R.sub.8, R.sub.10, and R.sub.

Abstract: A photographic element comprising particulate benzoguanamine-formaldehyde condensation polymer is improved in writability and anti-adherence while maintaining photographic properties. A photographic element, particularly a dye-fixing element comprising a dye-fixing layer on one surface of a support and a hydrophilic colloid-containing back layer on the other surface of the support is improved in image density variation and anti-adherence when the back layer contains at least about 0.002 cm.sup.3 /m.sup.2 of particles having a particle size of more than about 10 .mu.m.

Abstract: A photographic element comprising a support having thereon a gelatin-containing layer, and a matting agent comprising polymer particles covalently bonded to the gelatin in the layer. The polymer particles may be individually covered with gelatin that is covalently bonded thereto and the gelatin that is covalently bonded to the particles may be cross-linked with the gelatin in the layer. There is also provided a process of preparing a photographic element comprising a matting agent and a layer comprising gelatin. In this process, the gelatin layer is coated onto a support, at least partially dried, and polymer particles are applied to the layer. The polymer particles are then covalently bonded to the gelatin in the layer.

Abstract: A process for the preparation of a light-sensitive silver halide photographic material comprising a support, a silver halide emulsion layer, and a non-light-sensitive hydrophilic colloid layer which consists essentially of a plurality of layer elements; a process comprises incorporating oil particles into at least one of the elements, so that the oil particle density of the outermost layer element is not the highest of the oil particle densities of all of the elements.

Abstract: A backing layer comprising a combination of poly(silicic acid) and a water soluble hydroxyl containing polymer or monomer that is compatible with poly(silicic acid) on the side of a support opposite that containing the imaging layer of a thermally processable element enables improved conveyance of the element and reduced static electricity effects during manufacturing and elimination of Newton Rings formation during duplication of the recorded images, without undesired sensitometric effects. A developed visible image is provided in an exposed silver halide photothermographic element comprising such a backing layer by uniformly heating the photothermographic element to moderately elevated temperatures. The described backing layer is also useful on thermographic elements.

Abstract: A silver halide photographic light-sensitive material having on a support at least one light-sensitive silver halide emulsion layers and at least one light-insensitive upper layers on the emulsion layer, in which at least one of said light-insensitive upper layers contains a polymer latex having a glass transition point of at least 20.degree. C. and the said at least one light-insensitive upper layer and/or at least one other of said at least one light-insensitive upper layer(s) contains a polymer latex having a glass transition point of lower than 20.degree. C. In the silver halide photographic light-sensitive material, at least one of the light-insensitive upper layers can also have a melting time which is longer than that of the light-sensitive silver halide emulsion layer. The silver halide photographic light-sensitive material has high sticking resistance and improved layer strength under low humidity conditions.

Abstract: The present invention relates to photographic elements comprising a support and on one or on both sides of said support in the given order at least one photosensitive silver halide emulsion layer and at least one protective hydrophilic colloid layer comprising finely divided solid spherical beads having an average size ranging from 0.5 to about 20 .mu.m, said beads comprising at least one photographically inert hydrophobic polymeric resinous material and, distributed throughout said resinous material, at least one water-insoluble wax, in a ratio by weight ranging from 10:0.1 to 10:5.The present invention also relates to a method of making such photographic elements.

Abstract: An optical coating composition comprising a liquid monofunctional photohardenable acrylic ester monomer having dissolved therein an oligomer having a molecular weight of at least 500 and a photoinitiator system.

Abstract: A silver halide light-sensitive material is disclosed, comprising a support having provided thereon a silver halide emulsion layer that has been infrared-sensitized so as to have a sensitivity maximum at a wavelength longer than 750 nm and at least one light-insensitive hydrophilic colloidal layer on said silver halide emulsion layer, wherein said light-insensitive hydrophilic colloidal layer contains at least one dye having an absorption maximum at a wavelength shorter than 750 nm. The material has high sensitivity to infrared light, but can be handled under bright safelight.

Abstract: A method for processing a silver halide light-sensitive material is disclosed, comprising a support having thereon at least one silver halide emulsion layer with an automatic developing machine which comprises developing an imagewise exposed silver halide light-sensitive material, wherein an amount of organic substances remaining in at least one of the emulsion layer or other hydrophilic colloid layers comprising a surface protective layer after said processing with said automatic developing machine, is not more than about 90 wt % of the weight of said organic substances prior to said processing.

Abstract: In a coating method for applying a coating layer on at least one surface of an elongated support that travels continuously as it is transported on rollers, an adhesive layer is formed in selected areas of one surface of the support in contact with the rollers, with no coating layer being formed in those areas of the support being transported which have the adhesive layer whereas a coating layer is formed in those areas of the support which have no adhesive layer.

Abstract: Compositions comprising an impermeable acrylate-terminated oligomer, a reactive diluent, and 2-hydroxycyclohexylphenone, 2-hydroxy-2-methyl-1-phenyl-propan-1-one, or diethoxyacetophenone as a photoinitiator, are disclosed. These compositions have utility in optical coatings and electrical insulation.

Abstract: Compositions comprising an impermeable acrylate-terminated oligomer, at least one reactive diluent, and alpha-hydroxycyclohexylphenyl ketone, diethoxyacetophenone, 1-(4-dodecylphenyl)-2-hydroxy-2-methylpropan-1-one, or 2-hydroxy-2-methyl-1-phenylpropan-1-one as a photoinitiator, are disclosed. These compositions have utility in optical coatings.

Abstract: A negative silver halide photographic material comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer and further provided on the light-sensitive halide layer at least two light-insensitive hydrophilic colloidal layers, the uppermost layer of the light-insensitive hydrophilic colloidal layers containing colloidal silica and the emulsion layer or other hydrophilic colloidal layer containing a hydrazine derivative. The material exhibits super-high contrast and is less susceptible to scratch fog.

Abstract: A developer sheet having reduced tack useful in forming reproductions having a controllable gloss finish or in forming transparencies is provided. The developer sheet has a support with a layer on the surface of the support of a finely divided thermoplastic developer material and a non-reactive, non-scattering pigment. The developer material is capable of reacting with a color precursor to produce a visible image while the pigment reduces tack. Both the developer material and the pigment are capable of forming an essentially transparent film upon the application of heat and/or pressure.

Abstract: Photographic film units are disclosed which incorporate an anti-reflection layer comprising a matrix of silica having dispersed therein particles of a fluorinated polymer. Viewing of the image and/or photoexposure are effected through the anti-reflection layer.

Abstract: The present invention relates to photographic elements comprising a support and on one or on both sides of said support in the given order at least one photosensitive silver halide emulsion layer and at least one protective hydrophilic colloid layer comprising finely divided solid spherical beads having an average size ranging from 0.5 to about 20 .mu.m, said beads comprising at least one photographically inert hydrophobic polymeric resinous material and, distributed throughout said resinous material, at least one water-insoluble wax, in a ratio by weight ranging from 10:0.1 to 10:5.The present invention also relates to a method of making such photographic elements.

Abstract: Dry-film, negative-acting photoresist layers are used in the formation of many articles such as circuit boards, printing plates and the like. Laminable monolayers of photoresist can suffer from slow speeds, brittleness, variable adhesive characteristics, and narrow processing latitude during development and exposure. The use of a crosslinked or crosslinkable integral thermoplastic adhesive laer on the dry-film, negative-acting photoresist layer improves the properties and performance of the photoresist.

Abstract: The present invention relates to an optical information recording medium comprising a substrate, recording layer and protective layer, characterized in that said protective layer comprises, as the main components, a high molecular compound and at least one of record-promoting agents selected from the group of (a) explosive material, (b) plasticizer, (c) organic low molecular compound having a melting point not higher than 140.degree. C., and (d) light-absorbing material.

Abstract: Photographic images may be produced on a backing such as paper and polyester sheets, from photographic negatives which encompass line rendering, design comps, copy, complex color separation or the like with water-based varnishes and pigments, the resulting images closely resembling, if not exactly, the same image in its commercially printed form. Thus all aspects of color proofs produced by this invention provide greatly improved predictability as to the appearance of the final printed job, with a further improvement of cost savings over conventional techniques of preparing color proofs. Also, said proofing method can be used to provide a "transfer" so that one may transfer the colored image or images to a more suitable or required backing.

Abstract: A silver halide photographic material for a photomechanical process is disclosed. The material comprises a support having provided thereon at least one light-sensitive silver halide emulsion layer and at least one light-insensitive upper layer disposed on the upper side of the emulsion layer. The light-sensitive upper layer has a greater melting time than the light-sensitive emulsion layer. The emulsion layer contains starch, modified starch and/or macromolecular polysaccharides produced from starch using a microbial fermentation process. The material has greatly improved reduction processability.

Abstract: A overcoat layer comprising poly(silicic acid) ##STR1## on a thermally processable element enables reduced release of volatile components from the element during thermal processing. The overcoat layer also can optionally comprise other water soluble polymers. A developed visible image is provided in an exposed silver halide photothermographic element comprising such an overcoat by uniformly heating the photothermographic element to moderately elevated temperatures without release of volatile components. The described overcoat is also useful on thermographic elements.

Abstract: An image reproducing material which comprises a support and at least a photosensitive resin layer and scratch resistance layer borne on the support, said scratch resistance layer containing a compound represented by AmBn, wherein A is mono- or divalent, straight or branched C.sub.11-20 aliphatic hydrocarbon; B is hydrogen, hydroxyl, amino, nitrile, aldehyde, carboxyl, or alkylamide, alkylester, ammonium salt or a periodic table group I-IV metal salt of a carboxylic acid; m is an integer of 1 to 3; and n is 1 or 2. A process for preparing the image reproducing material as well as a process for preparing an image reproduced material by using the image reproducing material are also described.

Abstract: An image-forming process using a long rolled transparent light-sensitive recording material is disclosed. The process comprises applying at least two image-forming steps each including at least an image exposure and a development to a long rolled transparent light-sensitive recording material comprising a support having thereon a light-sensitive layer and a surface protective layer containing a hardenable compound and fine particles. The recording material preferably has a backing layer containing fine particles.

Abstract: This invention relates to an optical recording medium comprising a recording layer of a dye or dye composition on a substrate and adapted to be written and read using light such as laser or the like. The optical recording medium of the invention is characterized by further comprising a surface layer formed of a coating of a colloidal particle dispersion of a silicon base condensate on the recording layer, with improved S/N ratio as well as improved writing sensitivity and reading output of the optical recording medium.

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: The invention provides a method for protecting an image which comprises providing a colored image on a substrate and either:A. Applying an antiblocking layer to a release surface of a temporary support; bonding a thermoplastic adhesive layer to said antiblocking layer; laminating said applied support to said colored image via said adhesive; and peeling away said temporary support from said antiblocking layer; orB. applying a thermoplastic adhesive layer to a release surface of a first temporary support; applying an antiblocking layer onto a release surface of a second temporary support, laminating said adhesive onto said colored image and peeling away said first temporary support; and laminating said antiblocking layer onto said adhesive layer and peeling away said second temporary support;wherein said adhesive layer is substantially nontacky at room temperature, is laminated at temperatures between about 60.degree. C. and 90.degree. C.

Abstract: A heat developable light-sensitive material is disclosed which is provided with a protective layer comprising, as a major constituent, a nonionic, hydrophilic polymer. On heat developing the light-sensitive material, a mobile dye image is formed which can be transferred to a dye fixing material superposed on the light-sensitive material. After the transfer of the dye image, the light-sensitive material can be readily separated from the dye fixing material due to the presence of the protective layer, and thus a sharp image can be formed in the dye fixing material.

Abstract: A photopolymerizable recording material comprising a transparent support film, a thermoplastic photopolymerizable photoresist layer, and a flexible covering film on the exposed surface of the photoresist layer. The material is in the form of a roll. The end faces of the roll are covered with glued-on covering disks to prevent squeezing out of photopolymerizable substance.