Abstract: A thermal transfer recording material comprising a combination of a donor sheet having a heat meltable ink layer on a support and an image receiving sheet which are superposed so that the heat meltable ink layer on the donor sheet contacts with the image receiving sheet, the thermal transfer being carried out by a thermal head, wherein either said donor sheet or said image receiving sheet or both sheets are characterized by being such that1. the heat meltable ink layer of the donor sheet principally comprises a colored dye or pigment, a binder and a wax which are coated on the support as an aqueous solution and/or an aqueous emulsion;2. the image receiving sheet has, coated thereon, a heat meltable substance having a melting point higher than that of said heat meltable ink layer.

Abstract: A heat-sensitive recording material containing a special sensitizer in a heat-sensitive recording layer formed on a support is excellent in thermal response.

Abstract: This invention provides a method for deleting images formed on offset printing plates which comprises treating the surface of undesired portion of the images formed by exposure and development with a deletion fluid which contains a ferric complex salt of an organic acid and 0.3 mol/liter or more of at least one compound selected from the group consisting of a soluble bromide and a soluble iodide. Preferred ferric complex salt is a ferric complex salt of aminopolycarboxylic acid.

Abstract: Thermal delayed tack sheets prepared by coating base sheets with a thermal delayed tack composition basically containing an adhesive polymer (A) and a solid plasticizer (B), and preferably further containing a tackifier (C), the thermal delayed tack sheets being characterized in that the solid plasticizer comprises fine particles of one or more selected from the compounds represented by the following general formula (I):R.sub.1 --O--.PHI.--R.sub.2 general formula (I)wherein .PHI. is a benzene ring or a naphthalene ring which may have a substituent, R.sub.1 is a hydrogen atom, an acyl radical, an alkylsulfonyl radical or a benzenesulfonyl radical which may have a substituent on the benzene ring thereof, R.sub.2 is a radical of --O--CO--R.sub.3 or --CO--CO--R.sub.3, and R.sub.3 is a radical selected from the group consisting of an alkyl radical, an alkenyl radical, an aralkyl radical, an aralkenyl radical and an aryl radical, and when R.sub.

Abstract: A heat-sensitive thermal transfer recording sheet having a heat-sensitive color-forming layer formed on a front side of a substrate and a thermal transfer layer formed on the back side of the substrate and comprising (a) an aromatic isocyanate compound and (b) an imino compound and (c) a low melting point substance such as wax has a white background and excellent image storability. By adding an electron donating colorless dye and an electron-accepting compound to the thermal transfer layer, the transfer density can be improved.

Abstract: A color developer sheet for pressure-sensitive recording containing as a color developer only novolak phenol resin or novolak phenol resin and a semi-synthetic solid acid, and as a binder an acrylamide-acrylic acid copolymer can prevent yellowing of the color developer sheet and give higher developed color density.

Abstract: A lithographic printing plate made by silver complex diffusion transfer process from a lithographic printing plate material which contains a compound represented by the general formula [I] in photographic constituting layer is markedly improved in its printing endurance: ##STR1## wherein M represents hydrogen, an alkali metal or ammonium ion and R.sup.1 -R.sup.4 each represents hydrogen atom, alkyl group, alkenyl group, aralkyl group, aryl group, halogen atom, alkoxy group, hydroxyl group, amino group, carboxyl group, sulfone group, alkoxycarbonyl group, acylamide group or sulfonamide group and two of R.sup.1 -R.sup.4 may jointly form a ring.

Abstract: Disclosed is a process for image transfer from an image donating sheet to an image receiving sheet by treating these sheets in equipment or apparatus provided with a parting member, a processing tank and a pair of squeegee rolls which comprises introducing into the processing solution in the processing solution tank the image donating sheet and the image receiving sheet which are bonded together along one edge and between which the parting member is held.

Abstract: Disclosed is a silver halide photographic emulsion supersensitized with at least two sensitizing dyes selected from those represented by the following general formula [I], [II] and [III]:General formula [I]: ##STR1## wherein R.sub.1 represents an unsubstituted or substituted alkyl group, R.sub.2 represents a sulfoalkyl group or a sulfoaralkyl group, and R.sub.3 represents an alkyl group, and W.sub.1 and W.sub.2 represent each an alkylene group;General formula [II]: ##STR2## wherein W.sub.3 to W.sub.6 represent each an alkyl group, an alkoxy group, or hydroxyl group, R.sub.4 represents an unsubstituted or substituted alkyl group, R.sub.5 represents a sulfoalkyl group or a sulfoaralkyl group, and R.sub.6 represents an alkyl group;General formula [III]: ##STR3## wherein R.sub.7 represents an unsubstituted or substituted alkyl group, R.sub.8 represents a sulfoalkyl group or a sulfoaralkyl group, R.sub.9 represents an alkyl group, and W.sub.7 and W.sub.

Abstract: Disclosed is a method for producing images which comprises imagewise exposing a silver halide photographic light-sensitive material and then developing the exposed light-sensitive material in the presence of a compound represented by the following general formula [I], [II] or [III]: ##STR1## wherein Ar represents an aryl group, R represents a hydrogen atom, an alkyl group, an alkenyl group, an unsaturated hetero ring group or an aryl group and R.sub.1 and R.sub.2 each represent a hydrogen atom or a group represented by the general formula (i): ##STR2## wherein R.sub.0 represents an alkyl group, an alkenyl group, an aryl group, an alkoxy group or an aryloxy group and n is an integer of 1 or 2. ##STR3## wherein Ar, R.sub.1 and R.sub.2 are as defined in the general formula [I] and R.sub.3 and R.sub.4 each represent a hydrogen atom, an alkyl group, an aryl group, an unsaturated hetero ring group or a substituted amino group and R.sub.3 and R.sub.

Abstract: A colored image recording material comprising a support and hot-melt inks each comprising at least one coloring material, a photosetting resin and a polmerization initiator and applied on one side of the support can provide colored images excellent in resolving power and image storing properties by an image forming method.

Abstract: A thermal transfer recording sheet comprising a support containing plate-like or lamellar inorganic fine particles therein and a thermal transfer coloring ink layer formed on one side of the support, and if required a heat resistant layer formed on another side of the support, hardly provides wear of a thermal head surface while maintaining good take-up characteristics of synthetic resin film used as a support.

Abstract: Disclosed is a photographic resin coated paper which is excellent in surface quality. This photographic resin coated paper comprises a paper or synthetic paper substrate having on at least one surface a layer of resin composition comprising a reisn and a titanium dioxide pigment which is prepared by the external seed method and milled by a fluid energy mill. The titanium dioxide pigment is preferably surface treated with an inorganic surface treating agent such as hydrous aluminum oxide. The resin is preferably a thermoplastic resin such as a polyolefin resin.

Abstract: An electrophotographic plate for making printing plate comprises a conductive support and a light sensitive layer which comprises a photoconductive substance, an alkali soluble resin binder and an organic polymer fine powder of 10 .mu.m or less in particle diameter. According to this electrophotographic plate, dissolving-out of non-image area of the light sensitive layer is promoted and higher printing endurance is provided.

Abstract: Lithographic printing plates which have such a high sensitivity as permitting use of semiconductor laser beam of low output, a high resolving power and a high printing endurance and are free from occurrence of scumming are made by a method which comprises imagewise exposing a light sensitive material which comprises a support and at least a silver halide emulsion layer and a surface physical development nuclei layer provided on the support, said emulsion layer comprising silver halide grains which contain at least silver bromide and containing at least one sensitizing dye having a maximum spectral sensitivity in the region of longer than 700 .mu.m and then developing the exposed light sensitive material with a silver complex diffusion transfer developer containing at least a thiocyanate. Further improvement can be obtained by providing an antihalation means to keep the reflectance of a light of longer than 700 .mu.m at 13-40%.

Abstract: A thermal transfer ink sheet comprising a substrate and hot-melt ink layers formed thereon, said hot-melt ink layers having a coefficient of dynamic friction of 0.5 or more based on a soda-lime glass plate can prevent a color shift in superposed printed images on an image receiving sheet.

Abstract: There is disclosed a color-image recording material comprising a support and a combination of two or more layers, provided on said support, which contain individually or in combination (a) microcapsules enclosing chiefly a photohardenable resin or microcapsules enclosing chiefly a photohardenable resin and a colorant, (b) a lightproof white material, and (c) a colorant, the layer containing the lightproof white material being provided directly or indirectly on a picture element layer in which two or more picture elements comprising a colorant or microcapsules enclosing chiefly a photohardenable resin and a colorant are arranged in a striped pattern or a mosaic pattern.

Abstract: A compound of the formula: ##STR1## wherein R is a hydrocarbon group, is effective as a color developer in recording materials and particularly excellent in the image stability.

Abstract: Disclosed is a direct making of multicolor printing plates by the procedure of exposing a photosensitive material (P) of the lithographic type for making a black plate to an original bearing both the continuous tone image and the line images. The said procedure comprises (1) exposure to the continuous tone image which is performed by exposing the sensitive material (P) through a contact screen to the original in which the line images are covered with a mask (M-1) having an optical reflectance of 2% or less and the continuous tone image is covered with a mask (M-2) having a large optical reflectance, then again exposing, in the absence of contact screen, the sensitive material (P) to the original in which the line images are covered with said mask (M-1), and the mask (M-2) for the continuous tone image is removed, and (2) exposure to the line images which is performed by exposing the sensitive material (P) to the original in which the continuous tone image is covered with the mask (M-1).

Abstract: Printing characteristics of a lithographic printing plate material using the silver complex diffusion transfer process and comprising a support and a silver halide emulsion layer and a surface physical development nuclei layer are markedly improved when the emulsion layer comprises two emulsion layers, the lower layer of which has substantially no light-sensitivity.