Abstract: A plate-making method of a lithographic printing plate is disclosed, which comprises the steps of exposure of a photo-sensitive lithographic printing plate having the acid value of a photosensitive layer of 1.0 meq/g or less with a laser beam, and then development with a developing solution having a pH value of 13.0 or less at a developing speed in an unexposed domain of 0.05 &mgr;m/s or more and at an osmotic speed of a developing solution in an exposed domain of 0.1 &mgr;m/s or less.

Abstract: This invention relates to a gaseous medium flow distribution means for use in or in connection to a sterilizer chamber of the type in which a gaseous medium, such as steam or air, is brought to circulate. The means comprises cover means covering essentially a section area of said chamber, and said cover means are defining slits through which air is allowed to pass, said slits being shaped and distributed over the area so as to control the air flow inside said chamber in a predetermined manner.

Abstract: A black-and-white photographic developing composition or developing kit includes an ascorbic acid developing agent and is essentially free of hydroquinone and similar developing agents. The developing composition further includes a water-miscible hydroxy-containing organic solvent having a molecular weight of from about 50 to about 200. The weight ratio of the organic solvent to water is from about 0.1:1 to about 8:1.

Abstract: A silver halide photographic light-sensitive material comprising, on a support, at least one light-sensitive silver halide emulsion layer and at least one non-light-sensitive layer, wherein 60% or more of the total projected area of silver halide grains contained in said at least one light-sensitive silver halide emulsion layer are tabular silver halide grains having an average aspect ratio of 5 or more, and a film pAg on the light-sensitive silver halide emulsion layer side of said material falls within 4.0 to 8.5.

Abstract: An antifoaming agent composition for a silver halide photographic processing solution, which comprises at least one of the specified (polyoxyethylene/polyoxypropylene) copolymer as a surface active agent.

Abstract: A method for preparing a kit part of a bleach-fixing solution or a kit of a bleaching solution for use in silver halide color photographic materials is disclosed, comprising (a) adding a [S,S]-alkylenediamine-N,N′-disuccinic acid or its salt into a mixing tank to form a solution, and then, (b) adding thereto at least one iron (III) salt selected from the group consisting of iron (III) nitrate, iron (III) chloride, iron (III) bromide, (M1)3Fe(III) (SO4)3 and M1Fe(III) (SO4)2.

Abstract: This invention describes photopolymer printing plate developing solvents comprising diisopropylbenzene, alone or in combination with one or more co-solvents. Compared with solvents of the prior art, the developing solvents of the present invention have lower toxicity, higher flash points, a milder and more pleasant odor, increased resistance to thermal decomposition, higher solvency, faster dry time, and pose reduced threat to the environment. The solvents of the present invention can exhibit azeotropic-like properties resulting in improved recycling characteristics and reduced drying times. Also, the solvents of the present invention exhibit a degree of selective solvency towards non-crosslinked photopolymers vs. crosslinked photopolymers that is not seen in solvents of the prior art.

Abstract: A process for producing a photosensitive silver halide emulsion is disclosed, comprising silver halide grains and a dispersion medium, said process comprising steps of adding a water-soluble silver solution, an aqueous alkali halide solution and an aqueous solution of gelatin having a molecular weight of 5,000 to 30,000 or less to a mixing vessel different from a reactor for the production of emulsion to prepare silver halide fine grains, adding the silver halide fine grains to the reactor for the production of emulsion to grow silver halide grains, and ultrafiltering the silver halide grains during the addition of silver halide fine grains, wherein 50% or more of the entire projected area of said emulsion grains is occupied by silver halide tabular grains having an aspect ratio of 10 or more and a thickness of 0.15 &mgr;m or less.

Abstract: A silver halide emulsion containing silver halide grains comprising silver chlorobromide grains or silver chloroiodobromide grains, wherein each of silver halide grains has a silver chloride content of not less than 98% and comprises a silver bromide-containing layer having a silver bromide content of 0.5 to 5%, and the silver bromide-containing layer is located at a depth of 0 to 0.01 &mgr;m from the surface of the grain. A silver halide emulsion comprising silver halide grains containing Compound A having adsorptivity to silver, wherein each of the silver halide grains has a silver chloride content of not less than 90% has a core-shell structure comprised of a core and shell having different contents of Compound A each other, and the content of Compound A in the shell is smaller than the content of Compound A in the core.

Abstract: Spectral sensitizing dyes represented by the following formulas (1) to (4) are disclosed; silver halide photographic materials and thermally developable photosensitive materials containing the dyes are also disclosed.

Abstract: A producing method of a silver halide emulsion comprising the steps of adding silver halide fine grains AgX0 having an to a silver halide seed crystal emulsion containing at least water, dispersion medium 1 and silver halide crystal, and growing the seed crystal by dissolving the added AgX0, wherein AgX0 are formed in dispersion medium solution 2 containing dispersion medium 2, the pH of dispersion medium solution 2 of the time when AgX0 are formed is from 7.3 to 12.2, the average equivalent-circle projected area diameter of AgX0 is from 0.001 to 0.2 &mgr;m, and AgX0 are non-twin crystal grains not substantially having twin planes.

Abstract: A method for simplified sterilization is provided which does not use a harmful medium such as a disinfectant and ultraviolet radiation and which is able to reach all portions of objects to be sterilized, where sterilization is realized without high temperatures being generated. After applying a small amount of water or mixture of water and ethanol to an object to be sterilized, or after spraying a liquid gas, far-infrared radiation is applied using a carbon lamp which has high far-infrared radiation efficiency.

Abstract: Variation of charged amount accompanying production amount change does not affect photograph performance, a flexible production of an optimal amount corresponding to commercial scene needs may be performed, and a silver halide emulsion having monodispersibility may be produced with sufficient productivity. In the first line a series of continuous operations are performed that a silver salt aqueous solution, a halide salt aqueous solution, and a hydrophilic dispersion medium aqueous solution are mixed and reacted to generate silver halide grain nuclei, and a mother liquor containing the silver halide grain nuclei is stored in cooled state until a amount of production reaches a desired production amount of a silver halide emulsion.

Abstract: A color developer solution capable of inhibiting precipitation or tar-staining occurring in the processing tank or the roller rack, even when being processed rapidly or at low replenishing rate and a concentrated composition thereof is disclosed, comprising at least one selected from specified N-disubstituted hydroxylamine derivatives and at least one selected from specified N-monosubstituted hydroxylamine derivatives in a molar ratio falling within the range of 1000:1 to 1:1.

Abstract: A black-and-white photographic developing composition has improved stability and is more compatible with the environment when discarded. The composition includes one or more ascorbic acid developing agents and is essentially free of hydroquinone and similar developing agents. It comprises a mono- or disaccharide such as ribose, fructose, lactose, glucose or galactose as a stabilizing agent for the developing agent.

Abstract: This invention relates to a method for processing a silver halide color photographic material comprising the steps of loading the material into a chamber adapted to hold the material therein; introducing a measured amount of a color developer solution into the chamber; developing the photographic material with the color developer solution; introducing into the chamber a measured amount of a processing solution which arrests development, without removing the color developer solution, to form a developer/stop solution mixture; processing the photographic material with the developer/stop solution mixture, substantially removing all of the developer/stop mixture solution from the chamber; then providing in the chamber a bleach/fixer solution mixture comprising a bleaching agent and a fixing agent; and processing the photographic material with the bleach/fixer solution mixture; wherein the color developer solution is utilized in the amount of greater than or equal to 375 ml/m2 of the photographic material that is

Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon one or more layers including at least one light-sensitive silver halide emulsion layer comprising at least one coupler which undergoes a coupling reaction with an oxidized product of an aromatic primary amine developer to form a dye, wherein at least one of the layer(s) on said support comprises at least one compound represented by the following formula (I): wherein R1 represents a linear or branched unsubstituted alkenyl group having 3-14 carbon atoms, R2 represents an alkyl group, a cycloalkyl group, a linear or branched unsubstituted alkenyl group having 3-14 carbon atoms, R3 represents a group capable of being substituted on the benzene ring, and m represents an integer from 0 to 4. This may be use as a light-sensitive material which can provide a stable color-image.

Abstract: A method of developing a latent image on a photographic element (such as imagewise exposed photographic film) by absorbing a dye precursor into the film, applying a developer solution to the film to develop the latent image and form a dye in the film, scanning the film with light, and detecting at least one of light reflected away from and light transmitted through the film.

Abstract: An image forming assembly and method utilizes a laminate processing sheet. The laminate processing sheet is applied on an emulsion side of an exposed photosensitive film which includes sprocket holes along opposing edges. In a first feature of the present invention, a width of the laminate processing sheet is confined to an image area between the opposing sprocket holes, so as to reduce or eliminate the possibility of processing marks in or around an area of the opposing sprocket holes. In a further feature of the present invention, an absorbing sheet can be applied to the backside of the photosensitive film, to absorb any excess processing or wetting solution that is applied to the photosensitive film. This also aids in reducing or eliminating unwanted processing marks at the sprocket holes or an area in the vicinity of the sprocket holes.

Abstract: A method for providing a color image in an exposed color negative silver bromoiodide film element comprising contacting said element with an aqueous color developing composition having a pH of 9.0 to 12.0 and comprising a color developing agent, sulfite ion and an additional antioxidant wherein the color developing agent/sulfite ion molar ratio is less than 10:1 and greater than 0.55:1, and the sulfite ion/antioxidant molar ratio is less than 4.35:1 and greater than 0.25:1.