Abstract: An image recording method using a transfer system is provided. In a completely dry processing system in which a developer or the like is not required, laser light of a range from blue to red or a compact and inexpensive infrared laser or the like can be used so that an image with high sensitivity, high sharpness, excellent hue reproduction and high quality can be formed.

Abstract: Thermal transfer articles of the invention comprising a carrier, optionally a release layer, a color layer releasably adhered thereto, and optionally an adherence layer on the bottom side of the color layer. Also graphic imaging compositions and methods for thermal transfer using such articles and compositions and graphic articles made by such methods. The transfer articles 1) exhibit thermoplastic, low cohesive properties during transfer such that good image resolution and transfer is achieved and 2) are radiation crosslinked after transfer such that a durable image is formed.

Abstract: A method of imaging an article comprising a metal/metal oxide imageable layer with a laser beam. In particular, the present invention relates to a method for imparting a color image on the article. The method includes: a) providing an article including a substrate and an imageable layer, the imageable layer comprising a metal/metal oxide layer; b) imagewise applying a laser beam to the article; and c) in the portion of the article having the laser applied thereto, imparting a color to the metal/metal oxide layer different from the color in the non-imaged portion. Preferably, the imageable layer comprises aluminum/aluminum oxide. Also presented are imageable articles, and the resulting imaged articles.

Abstract: A monochromatic or polychromatic proof of a high resolution master and a process and means for its preparation are described. The graphic arts industry requires monochromatic or polychromatic proofs having high resolution and tonally correct reproduction of halftone masters having frequency modulated screen or line screens with more than 80 lines/cm. These proofs are obtained by using image carriers having image-side surfaces with an average roughness of 1.1 &mgr;m maximum. Such color proofs are necessary to check color separations in the graphic arts industry for whether subsequent printing results are a tonally correct reproduction of the master.

Abstract: This invention makes available a photopolymerizable material containing at least one polymeric binder, photopolymerizable monomer and, at least one photoinitiator, and having a special shear modulus and a specific thickness. These photopolymerizable materials are used in processes for preparing images, especially multiple color proofs. Temporary supports and pigmented transfer materials specifically designed for the preparation of multiple color proofs are described. A pigmented element having a pigmented transfer layer with a polymeric component of polycaprolactone, polytetrahydrofuran and mixtures thereof is disclosed.

Abstract: The present invention relates to positive film formulations for obtaining color selection, through the use of balanced primary colors, and the method to obtain the same. Said formulations comprise an emulsion sensitive to any type of light and a photographically accepted vehicle. The thus obtained positive film formulations are suitable to establish trichromatisms and bichromatisms by employing previously balanced primary colors.

Abstract: Standard array, programmable image forming process. The process includes the steps of providing or forming a standardized array of pixel sites (16) on a surface of a substrate (12), each pixel site (16) including at least one color element (18, 20, 22) or colored sub-pixel at a predetermined location on the substrate (12), and providing or forming an opaque layer (24) over the pixel sites (16) obscuring the color elements (18,20,22) or sub-pixels thereof, the opaque layer (24) being changeable for rendering selected of the color elements (18,20,22) or sub-pixels visible for forming the image. The substrate (12) can include a paper material or a plastics film such as a transparent film, and the pixels sites (16) can be mass produced thereon by a suitable process, such as ink printing process, a thermal printing process, a laser printing process or the like.

Abstract: A combination digital/analog color proofing method having the steps of: digitally forming a color thermal image on a receiver element comprising a receiver support and an image receiving layer; laminating the digitally formed image with a film comprising a support having a release surface and a thermoplastic polymer layer; removing the support thereby revealing the thermoplastic polymer layer, and leaving the digitally formed image encased between the image receiving layer and the thermoplastic polymer layer; and laminating an analog color image to the revealed thermoplastic polymer layer to create a color proof having at least two color images.

Abstract: A method of fabricating an organic EL display panel accomplishes pixelation without using a shadow mask, and without exposing active EL elements to solvents from photoresist, or developing and stripping solutions. A first electrode layer and an insulating layer are formed on a transparent substrate. Portions of the insulating layer are removed at predetermined regions using at least one laser beam. An organic function layer and a second electrode layer are then formed on the predetermined regions. The first electrode layer, the organic layer and the second electrode layer form a sub-pixel. Additional sub-pixels are formed using the same method.

Abstract: A direct positive silver halide photographic light sensitive material is disclosed, having yellow, magenta and cyan image forming units, wherein at least one of the color image forming units contains at least two internal latent image forming silver halide emulsions which are different in a factor of contribution to image formation, a silver halide emulsion having a lower factor of contribution to image formation having a part common to sensitivity of a silver silver halide emulsion contained in one of the other two image forming units, and the photographic material is subjected to exposure, based on digitized image information.

Abstract: Monochrome and polychrome color proofs, for the graphic arts industry, having an image carrier containing two layers A and B to control optical dot growth are described. Layer A contains at least one polyolefin and, in a preferred embodiment, a light-reflecting white pigment. Layer B contains at least one binder, at least one light-reflecting white pigment at between 50% and 90% by weight relative to Layer B, and at least one light-absorbing pigment. A process and a means for preparing such monochrome and polychrome color proofs are described.

Abstract: The invention relates to a process for the production of a colored image for color proofing of copy masters for multicolor printing and a layer material for carrying out this process.A positive image of the exposure mask (color separation film) is produced by lamination of a photosensitive material onto a colored layer material, followed by imagewise exposure and peeling-off of a film support, or a negative image of the exposure mask is obtained by imagewise exposure of the photosensitive material before the lamination, accompanied by flood exposure after lamination followed by peeling-off of a film support. The two procedures use the same materials and do not require wet development. For each single-color image, only one lamination step is required.

Abstract: An imaging medium comprises a substrate carrying a color-change layer. This color-change layer comprises two layers or phases comprising two color-forming reagents which react upon heating to cause a change in the color of the layer. The color-change layer is deactivated by exposure to actinic radiation such that after deactivation it no longer undergoes its thermal color-change. The color-change layer is detachable from the substrate by heating to a temperature lower than required to cause the color change, so that upon contact of the imaging medium with a receiving sheet each individual pixel of the color-change layer may be left attached to the substrate, transferred to the receiving sheet but left uncolored, or transferred to the receiving sheet and colored to a color level determined by the energy used in the associated thermal print head element.

Abstract: In a color image recording system, a color image is recorded on a photosensitive material by causing red, green and blue light beams modulated according to a color image signal to scan the photosensitive material one after another in the order of the red, green and blue light beams, respectively. A photodetector detects only the red light beam, and the red, green and blue light beams are caused to start recording the colorings at respective predetermined times T1, T2 and T3 (T1<T2<T3) after the photodetector detects the red light beam.

Abstract: A process for producing a colored image by laminating a light-sensitive material comprising a temporary support film (i), a colored light-sensitive layer and a heat-activable adhesive layer onto an image-receiving material at elevated temperature and under pressure, subjecting the light-sensitive layer to imagewise exposure and developing by peeling off the support film, characterized in that the image-receiving material comprises a light-sensitive compound which, on irradiation, releases a gas which remains trapped in the image-receiving material in the form of gas bubbles. The advantage of the process is that, on irradiation under a halftone original, the size of the halftone dots in the coloured image produced on such an image-receiving material is optically reduced.

Abstract: A process for printing an image (I.sub.C) on a lenticular lens material (12) with a printing press (10). A separate film negative (B, C, Y, M) is prepared for each color used in printing the image. One of the negatives (B) is selected and each of the other negatives, and the lens material, is registered with the selected negative. Each of negatives is adjusted to the selected negative so all of the negatives and the lens material are in registry with each other. Separate printing plates (18) are prepared from each of the negatives. The plates are mounted on the press at respective printing stations and the lens material is run through the press with each of the plates being used to print on the material. The plates are adjusted, as necessary, to align the plates and register the color dot patterns printed by each plate to the color printed by the plate made from the selected negative.

Abstract: Photopolymerizable mixtures containing a polymeric binder mixture with salt-forming groups, a photopolymerizable monomer, a photoinitiator and at least 10% by weight of a vinyl acetate homopolymer or a vinyl acetate copolymer, and photopolymerizable recording materials made of such mixtures. They exhibit less oxygen sensitivity during the production of color proofs.

Abstract: A method of forming a fluorescent screen, such as a black matrix or a color filter, on a front panel of a cathode ray tube is described. The method comprises the steps of forming a photosensitive adhesion layer on an inner surface of the front panel, exposing the photosensitive adhesion layer through a color selecting electrode having a plurality of slots for reducing adhesion level of exposed area of the photosensitive adhesion layer, bringing a pigment layer provided on a supporting sheet into intimate contact with the photosensitive adhesion layer, applying pressure to the pigment layer and the photosensitive layer, and peeling off the supporting sheet from the pigment layer. Alternatively, a pigment may be dispersed in the photosensitive adhesion pigment layer.

Abstract: Disclosed are a photosensitive material and a corresponding method for making colour-proofing sheets for multicolour printing, comprising A) a transparent flexible polymeric support sheet, B) a photopolymerizable layer comprising B1) a polymeric binder, B2) a free-radically polymerizable compound, B3) a photoinitiator, and B4) a dye or pigment in a primary colour of multicolour printing, and C) a thermoplastic adhesion-promoting layer on the photosensitive layer, with a coating weight of 2 to 30 g/m.sup.2, characterized in that the thermoplastic adhesion-promoting layer includes 0.05 to 2.5% by weight of a colourless, transparent or white pigment having an average particle size which is less than 1% of the layer thickness and does not exceed 0.05 .mu.m and the ready-produced material has a slip friction coefficient of <0.5.

Abstract: An image forming method for a silver halide photographic light sensitive material comprising a support having thereon a color image forming layer containing a silver halide emulsion and a dye forming coupler is disclosed, comprising (i) subjecting the photographic material to area modulation exposure and (ii) subjecting the exposed photographic material to amplifying development to form a color image.

Abstract: A support material for making color test prints in the analog proof system, in which the support material has a layer comprising a hydrophobic binder or binder mixture and a pigment mixture containing hollow micro-balls.

Abstract: A color reproduction method is described using laser addressable thermal transfer donor elements which may be used to image both color proofing films and printing plates. Matched proofs and plates may be generated by direct digital address since identical transfer media are used in the respective imaging processes. In addition, each plate bears a resin image of a color that matches the color of the ink that will be used with that plate thus providing a convenient means of identification. In other words, the identity of each plate (i.e. whether it bears the y, m, c or k separation image) is immediately apparent by visual inspection, thus removing any risk of confusion and any need to provide individual plates with identification marks.

Abstract: Disclosed is a varnishing film and a method of adjusting the surface gloss of prepress color proof using the same for obtaining a color proof with the surface gloss in the particular areas of image adjusted, comprising the step of forming an image on matt surface having been formed using the varnishing film with an adhesive transparent resin layer and a photosensitive layer containing transparent matting agent provided on a transparent supporter, on the prepress color proof formed by Surprint process. It is possible to form an image with difference in the surface glosses on the prepress color proof formed by Surprint process.

Abstract: This invention relates to a single negative working photosensitive, photopolymerizable layer on a substrate which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image after lamination and processing. The construction is useful as a color proofing film which provides low dot gain and can be employed to predict the image quality from a lithographic printing process.

Abstract: This invention relates to color proofing, or more particularly to an improved photographic element and transfer method of color proofing wherein a colored image is prepared by successively producing images of different colors from distinct color separation films onto a single receptor sheet. The photographic element has a support having a release surface, a colored photosensitive layer on the release surface and an adhesive layer on the colored layer. The adhesive layer comprises a thermally activated adhesive which is preferably a plasticizer in admixture with at least one copolymer selected from the group consisting of copolymers of methyl methacrylate and ethyl acrylate and copolymers of acrylic acid and acrylic esters having an acid number of from about 80 to about 100.

Abstract: In a colored image forming material comprising (a) a copolymer containing a carboxyl group, (b) a coloring agent, (c) a monomer containing at least one photopolymerizable unsaturated bond in the molecule, (d) a photoinitiator and, when required, (e) a specific sensitizer, the dispersion stability of pigment and the optical sensitivity can be considerably increased by using a specific copolymer of styrene derivative-maleic acid derivative as component (a) and specific benzoimidazole or benzothiazole as component (e), and a photosensitive element or a color filter with distinguished optical characteristics can be obtained therefrom.

Abstract: This invention relates to negative working color proofing sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to accurately predict the image quality from a lithographic printing process. The image is produced by forming a composite of a receiver sheet, an adhesive layer, a color layer and cover sheet. Upon imagewise exposure, a negative image appears on the receiver base after dry peel apart development.

Abstract: This application discloses a core/shell latex thermal adhesive comprising a thermally softenable polymeric shell having a Tg of greater than 20.degree.C., and a thermally softenable, crosslinked polymeric core having a Tg of less than 20.degree. C., the difference between the Tg of the core and the shell being at least 10.degree.C. This application also discloses a thermally activated adhesive composition comprising:a) from about 50 to 100 parts of a transparent film-forming core/shell latex polymer, wherein the ratio of core to shell of said core/shell latex polymer ranges from about 20/80 to about 80/20,the shell having a Tg above 20.degree. C. and the core having a Tg below 20.degree. C. with the core having a Tg lower than the Tg of the shell by at least 10.degree. C.

Abstract: As adhesive films are used over first down half-tone images, air can be entrapped between the dots on the first down image and the after applied adhesive film (e.g., with the next down image layer). The presence of the air as bubbles between the dots creates additional areas of reflection and refraction at air/film interfaces. The use of thin layers of adhesive with the properties according to the present invention has surprisingly been found to prevent or reduce formation of bubbles and thereby maintain the critical optical properties necessary in a proofing material.

Abstract: The present invention provides a photosensitive color proofing article incorporating an antihalation effective amount of one or more antihalation dyes of the general formula (I) shown below: ##STR1## wherein: Z is an oxygen atom, NH, or NR; R is an alkyl group of 1 to 12 carbon atoms or a hydrogen atom; R.sup.1 represents a perfluoroalkylsulfonyl group of 1 to 12 carbon atoms or an arylsulfonyl group; and R.sup.2 represents a perfluoroalkylsulfonyl group of from 1 to 12 carbon atoms; an arylsulfonyl group; or a cyano group. The antihalation dyes of formula (I) absorb radiation within the wavelength range of from about 325 to 700 nm and preferably, from about 325 to 450 nm.

Abstract: A method of transferring a color proof comprises stacking an image receiving sheet and a color sheet having colorant images formed on a support, applying pressing to the stacked sheets by a heating roller to transfer the colorant images to the image receiving sheet, and conducting the transfer repeatingly for different color sheets, the transfer for each of the color sheets being conducted at two stages with different rotational speeds of the transfer drum and the transfer being conducted at the second stage under a lower speed condition than in the first stage.

Abstract: Reactive polymeric dyes are provided comprising a chromophoric moiety derived from at least one free radically polymerizable dye and an azlactone moiety derived from 2-alkenylazlactone such that the free radically polymerizable dye is incorporated into the backbone of the polymer. Alternatively, 2-alkenylazlactone is polymerized and then derivatized with a nucleophilic dye or dyes, such that the chromophoric potion of the dye is pendent to the polymer backbone. Both types of reactive polymeric dyes may also contain additional polymerized monomeric units. The reactive polymeric dyes of the present invention can be used in a photoresist system and in particular in a color proofing construction.

Abstract: A process for preparing an image on a substrate by applying a photoimageable composition on a first substrate, wherein the photoimageable composition, having a solids content from 25 to 60 weight percent, contains a partially neutralized acid-containing polymer formed from a precursor polymer having an acid number from 90 to 160 prior to neutralization and wherein 1 to 15% of acid-containing groups of the precursor polymer are neutralized with base; an ethylenically unsaturated monomer; a photoinitiator or photoinitiating system, water; 0-5% by weight a solution polymer, based on the weight of total polymer present in the composition; and 0-25% by weight of an organic solvent based on the total weight of the organic solvent and water; wherein the liquid composition is present as a stable emulsion, and wherein the liquid composition has a Brookfield viscosity, at 25.degree. C.

Abstract: An azo dye for use in color filters soluble in alkaline aqueous solutions and organic solvents and having in one molecule at least one sulfonamido group of which one hydrogen atom is substituted; and a method for producing a color filter having a plurality of color filter elements which comprises the steps of a) coating a substrate with an organic solvent solution of a photoresist composition containing said azo dye and drying the coat to form an adhering layer, b) exposing a specific part of said layer to radiation ray, c) developing the exposed or unexposed region with alkali to form a colored pattern, and d) repeating the steps a)-c) on every dye of different color present in said composition.

Abstract: A photosensitive material for the production of color proofing films for multicolor printing, having(A) a transparent, flexible film support,(B) a photopolymerizable layer which contains(B1) a polymeric binder,(B2) a free-radical-polymerizable compound,(B3) a substituted bistrihalomethyl-s-triazine having an absorption maximum in the range from 300 to 380 nm and an absorbance of greater than 11,000 at the absorption maximum, and an absorbance of less than 1400 at 400 nm and above, as photoinitiator, and(B4) a dye or a colored pigment in a primary color of multicolor printing, and(C) a thermoplastic adhesive layer on the photo-sensitive layer.The material is processed by lamination onto an image-receiving material, exposure of the material and peeling apart of film support and image-receiving material, leaving the unexposed layer areas on the image-receiving material together with the adhesive layer. To produce a multicolored image, these steps are repeated with at least one further single-color sheet.

Abstract: A photosensitive colored material mainly composed of an aromatic polyamide or polyimide resin having a photosensitive group in its molecule, a coloring matter, and a solvent, wherein; said solvent comprises a first solvent component capable of independently dissolving said resin alone and a second solvent component having a smaller surface tension than said first solvent component and incapable of independently solving said resin; and the content of said first solvent component is larger than the content of said second solvent component.

Abstract: A photosensitive colored material mainly composed of an aromatic polyamide or polyimide resin having a photosensitive group in its molecule, a coloring matter, and a solvent, wherein; said solvent comprises a first solvent component capable of independently dissolving said resin alone and a second solvent component having a smaller surface tension than said first solvent component and incapable of independently solving said resin; and the content of said first solvent component is larger than the content of said second solvent component.

Abstract: A process for the production of a color image is described, in which a photosensitive material that has a temporary support film, a colored photosensitive layer and an adhesion-promoting layer that can be activated by heat is laminated at high temperature and under pressure with an image-receiving material which carries, on a support, a pigment layer containing a white pigment. The photosensitive layer is exposed imagewise and developed to produce an image, the temporary support film is peeled off from the image-receiving material before or after exposure to light and, if required, these steps are repeated with at least one further photosensitive material whose colored layer has another color to produce a multi-colored image. The process gives color images having a smaller dot enlargement compared with a halftone original and is particularly suitable for the color testing of copy for multicolor printing.

Abstract: A method of manufacturing a colored material wherein ultraviolet rays are irradiated onto an organic silicon compound film having any one of repeating units represented by the following general formulas (1) to (3), and then the film is heat-dried to turn the film into a three-dimensional structure. This process is repeated for each of R, G and B. As a result, a color filter provided with a color layer comprising a three-dimensional structure composed of silicon atom having one Si--C bond and formed through Si--O--Si bonds, and having a plurality of regions containing three different colors of R, G and B are contained therein can be manufactured. ##STR1## wherein R.sup.1 is a substituted or non-substituted hydrocarbon group, R.sup.2 is a substituted or non-substituted hydrocarbon group or acyl group, and R.sup.3 is a substituted or non-substituted silyl group or polysilane skeleton.

Abstract: Imaging elements are prepared by a method in which an image is generated on a donor element and then transferred from the donor element to a receiver element by the steps of lamination and peeling. The donor element comprises a support, an image-forming layer and optional release and adhesive layers and the image is formed by imagewise laser-induced thermal ablation of the image-forming layer. The method is particularly useful for the preparation of lithographic printing plates as it avoids the need to employ alkaline developing solutions.

Abstract: A photosensitive material for the production of color proofing films for multicolor printing, having(A) a transparent, flexible film support,(B) a photopolymerizable layer which contains(B1) a polymeric binder,(B2) a free-radical-polymerizable compound,(B3) a substituted bistrihalomethyl-s-triazine having an absorption maximum in the range from 300 to 380 nm and an absorbance of greater than 11,000 at the absorption maximum, and an absorbance of less than 1400 at 400 nm and above, as photoinitiator, and(B4) a dye or a colored pigment in a primary color of multicolor printing, and(C) a thermoplastic adhesive layer on the photosensitive layer.The material is processed by lamination onto an image-receiving material, exposure of the material and peeling apart of film support and image-receiving material, leaving the unexposed layer areas on the image-receiving material together with the adhesive layer. To produce a multicolored image, these steps are repeated with at least one further single-color sheet.

Abstract: A negative-acting color proofing method provides a photosensitive element having a cover sheet; release layer having a polymer with phenolic groups; color layer having a binder, polymerizable monomer, colorant, and optional photoinitiator; a photoadhering layer, having a photosensitive polymer having unsaturated, photocrosslinkable groups and a molecular weight greater than about 3,000, a polymerizable monomer having at least one unsaturated group, and an optional photoinitiator. A at least one of the color layer and the photoadhering layer has a photoinitiator; and a first thermoplastic adhesive layer. A photomask is applied onto the thermoplastic adhesive layer and one imagewise exposes the color layer and photoadhering layers to actinic radiation through the photomask. After removing the photomask, the photosensitive element is laminated to a temporary receiver.

Abstract: A method for producing a color filter involves (a) forming a positive photosensitive coating film on a transparent electrically conductive layer of a transparent substrate; (b) forming a light-irradiated region where a light irradiation amount is different in two steps; (c) developing a larger light-irradiated portion to lay-open the transparent electrically conductive layer followed by electrodepositing a light shielding layer thereon; (d) forming on the positive photosensitive coating film undeveloped in the step (c) a light-irradiated region where a light irradiation amount is different in two steps; (e) developing a larger light-irradiated portion of the photosensitive coating film to lay-open the transparent electrically conductive layer followed by electrodepositing a colored coating thereon; (f) forming on the positive photosensitive coating film undeveloped in the step (e) a light-irradiated region where a light irradiation amount is different in at least three steps; and (g) developing the photosensi

Abstract: A colour sheet suitable for use in peel-apart colour imaging comprising a substrate bearing a layer of pigmented photopolymerizable material overcoated with a hydrophilic barrier layer and an outer layer of an adhesive.

Abstract: In the present invention, one produces a negative-acting color proofing element comprising, sequentially: a strippable cover sheet which is transparent to actinic radiation; a crosslinked layer containing a polymer having phenolic groups; a color layer, containing a colorant, a polymeric binder, a polymerizable monomer and, optionally, a photoinitiator; a photoadhering layer, containing a linear photosensitive polymer containing ethylenically unsaturated, free-radical polymerizable groups and having a weight average molecular weight greater than 3,000, a polymerizable monomer, and, optionally, a free radical photoinitiator, a thermoplastic adhesive layer; and a receiver sheet, at least one of the color layer and the photoadhering layer containing a photoinitiator, which is brightener.

Abstract: This invention is a surface modifying element comprising a photosensitive layer on one side of a carrier substrate. The photosensitive layer comprises a photosensitive binder material and particulates. The invention is also a method of using the surface modifying element to create a receiver having imagewise variation in glossiness.

Abstract: The invention relates to a photosensitive material for the production of color proofing films for multicolor printing comprising:A) a transparent, flexible film support,B) a photopolymerizable layer containing:B1) a polymeric binder,B2) a free radical-polymerizable compound,B3) a compound which is capable of initiating the polymerization of (B2) on exposure to actinic light, andB4) a dye or colored pigment in a primary color of multicolor printing, andC) a thermoplastic adhesive layer on the photosensitive layer,which contains at least about 1.5% by weight of a water-soluble, colorless, low-molecular-weight salt whose aqueous solution is not highly acidic.The material is processed by lamination onto an image-receiving material, exposure and peeling apart of the film support and the image-receiving material, the unexposed areas of the layer and the adhesive layer remaining on the image-receiving material.

Abstract: A photoimageable element comprising: a substrate; a layer of a photosensitive composition comprising a photosensitive material coated on the substrate; and a protective overcoating comprising an oxygen barrier component and a moisture resistant component; wherein the oxygen barrier component has an oxygen permeability of no greater than about 10.sup.-14 cc(cm)/cm.sup.2 (sec)(Pa).

Abstract: A photosensitive composition containing a polyfunctional aromatic diazo compound having at least two groups of Formula (uD) in the molecule, and a photosensitive composition using the same. The diazo compound can be handled under visible light free from ultraviolet, is highly photosensitive, has good shelf life, and lithographic printing plates and screen printing plates formed with the same: ##STR1## wherein G.sup.1 is a substituent derived from alcoholic hydroxyl group; R.sup.1 and R.sup.2 are hydrogen, or alkyl or alkyloxy of 1 to 8 carbon atoms;R.sup.3 is alkyl or substituted alkyl of 1 to 8 carbon atoms, aralkyl or substituted aralkyl of 7 to 14 carbon atoms, or --CH.sub.2 CHG.sup.2 --CH.sub.2 --;X.sup.- is an anion based on protonic acid from which a proton is removed.

Abstract: A color proof formation method includes the steps of bringing a first color separated film original mounted upon an original mounting table into tight contact with a photosensitive material fixed upon a mounting table, and exposing the film original; separating the photosensitive material mounting table from the original mounting table; replacing or exchanging the first film original upon the original mounting table with a second color separated film original; and bringing the second film original into tight contact with the photosensitive material. The steps are repeatedly performed a predetermined number of times so as to form a color proof.