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WO/1990/014615A1 |
Hydroxylamine compounds are commonly included in photographic color developing solutions to retard aerial oxidation. When the photographic element processed in the color developing solution is one which contains an aromatic polyhydroxy c...
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WO/1990/013061A1 |
A method of forming a dye image in a photographic silver halide element containing a dye-providing compound and having in a layer thereof an imagewise distribution of catalytic silver which comprises the step of treating the material wit...
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WO/1990/012898A1 |
A method of recovering silver from used photographic fixer solutions characterised in that the solution contains an alkali metal sulphite as the sole silver halide solvent.
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WO/1990/013060A1 |
A method of removing silver chloride from a photographic silver halide material during processing which comprises treatment with an aqueous solution containing an alkali metal sulphite as sole silver halide solvent.
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WO/1990/013059A1 |
A method of photographic processing employing a redox amplification solution containing hydrogen peroxide wherein the hydrogen peroxide is provided by the addition of a controlled weight of a solid compound which provides free hydrogen p...
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WO/1990/012342A1 |
A laser imaging material which can be effectively employed for color printing and proofing comprises a near infrared transparent support film which has a near infrared absorbing layer thereon. The absorbing layer contains at least one se...
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WO/1990/012343A1 |
Process for treatment of a photographic support comprising an image whitened after exposure, development and fixing in order to render said whitened image capable of being developed in daylight or in any other non-inactinic light, charac...
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WO/1990/009661A1 |
An erasable optical information storage apparatus is disclosed and the process for making such an apparatus is disclosed. The apparatus utilizes the photoabsorption and electrochemical absorption characteristics of the polyaniline class ...
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WO/1990/008979A1 |
In known photographic processing apparatus, quality of the photographs produced can be adversely affected by drift in the paper processor of the apparatus. One cause of drift is incorrect replenishment of the chemicals used in the paper ...
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WO/1990/008980A1 |
A three-part bleach-fix regeneration kit is utilized to restore the capability of a spent bleach-fix solution to function as a working solution in photographic processing. The first part, which is an aqueous alkaline solution containing ...
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WO/1990/007436A1 |
The cover (T) for sun visor mirrors of motor vehicles is comprised of various rigid laminar plates (1, 2; 7, 8, 9) which are superimposed and interleaved one after the other in continuous and linked succession so that in an open position...
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WO/1990/006582A1 |
The present invention refers to a structure for influencing the effect of X-ray or gamma radiation on a target sensitive to the radiation (R), having a first and a second side, the X-ray or gamma radiation (R) striking the first side, th...
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WO/1990/005893A1 |
In the particular embodiment of the invention described in the specification, a hot melt ink print is prepared by applying the ink to a porous substrate (12), permitting it to solidify, and reheating the substrate and the ink to a temper...
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WO/1990/000266A1 |
A method for converting a continuous tone image on a transparency, negative into a halftone image includes the steps of providing a plurality of light-responsive elements (10) upon a surface, each element adapted to generate a local elec...
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WO/1989/007819A1 |
A document marking scheme which uniquely identifies each of a potentially large number of copies of a document. The marking is incorporated into the formatting of the document in such a way as to not significantly detract from the visual...
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WO/1989/006380A1 |
A process for bleaching a silver halide photographic material having a silver halide emulsion layer comprising at least one silver bromoiodide layer and having been subjected to color developement, which comprises conducting the bleachin...
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WO/1989/006381A1 |
A process for processing a silver halide photographic material having a silver halide emulsion layer comprising at least one silver iodide layer with a processing solution which can develop and fix the photographic material, which compri...
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WO/1989/006424A1 |
An optical head with a center axis (18) includes a grating coupler (8) formed on a circular region having its center coincident with the center axis (18), and the grating coupler (8) has concentric circular grooves or a spiral grove havi...
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WO/1989/005994A1 |
A method is provided for forming on a substrate an image-forming region which may be converted to a coloured from on exposure to U.V. light. The method comprises applying to the substrate a solution or dispersion comprising a 1,2-dihydro...
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WO/1989/004508A1 |
This invention relates to a method and apparatus for replenishing a processing fluid for performing processing such as development, bleaching, fixing, etc. of a photosensitive material which has been exposed to rays of light transmitting...
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WO/1989/004507A1 |
A negative pattern forming material for forming a desired pattern on a substrate with high accuracy and a method for forming a desired pattern on a substrate with high accuracy using the material are disclosed. The material contains as a...
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WO/1989/001187A1 |
A pattern-forming process utilizing radiation-induced graft polymerization reaction, which comprises conducting pattern formation using a resist capable of undergoing radiation-induced graft polymerization reaction and having excellent d...
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WO/1989/001220A1 |
The invention relates to an optical data recording method which comprises addressing a recording device using an infra-red laser modulated with a waveform of the information to be recorded, wherein said recording device comprises an infr...
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WO/1988/008990A1 |
An image recorded by a photostimulable phosphor image recording medium (16) that is transparent (i.e. substantially non-scattering) to stimulating radiation is read out by scanning the photostimulable phosphor with a beam (12) of stimula...
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WO/1988/007222A1 |
Photochemical systems for the visualization of exposure to ultraviolet radiation and for the utilization of ultraviolet radiation to effectuate visible color changes involving a process responsive to ultraviolet radiation in which a phot...
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WO/1988/006306A1 |
A marking comprises a layer, preferably of film-forming material, which contains a photochromic compound. The photochromic compound is capable of changing colour when exposed to UV light, but can be converted to a permanently non-photoch...
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WO/1988/004794A1 |
Solid particle dispersion of dyes of the formula: [D-(A)y]-Xn, where D is a chromophoric light-absorbing compound, which may or may not comprise an aromatic ring if y is not 0 and which comprises an aromatic ring if y is 0, A is an aroma...
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WO/1988/004306A1 |
An ultraviolet-absorptive polymer material which comprises a copolymer between a methacrylic ester monomer and other vinyl monomer having a color-forming group showing an absorption peak different from that of the methacrylic ester in th...
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WO/1988/002137A1 |
The disclosed method comprises the treatment of a document surface with a transparent matrix (3) having dispersed therein photoluminescent materials (4). According to a first embodiment, said photoluminescent materials (4) form a luminou...
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WO/1988/000357A1 |
A portable radiation detector comprises a radiation-resistant housing (10) having a compartment (12) accomodating an element sensitive (17) to radiation and adapted to be extracted from the compartment for the purpose of detecting and me...
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WO/1987/007039A2 |
High contrast development of photographic elements, such as lithographic films used in the field of graphic arts, is carried out in the presence of a hydrazine compound with an aqueous alkaline developing solution which has a pH of above...
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WO/1987/005718A1 |
Multilayered image receptive film developed in distinguishable colors by kinetic energy imparted by radiant beam exposure which comprises (a) a first imaging layer composed of an aliphatic, polymeric binder containing from about 40 wt. %...
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WO/1987/004534A2 |
Photographic color developing compositions which are especially useful in the processing of high chloride silver halide photographic elements are free, or at least substantially free, of bromides; optionally contain a small amount of sul...
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WO/1987/003364A1 |
Thermal ink jet printhead and method of manufacture featuring an improved all-metal orifice plate and barrier layer assembly (28). This assembly includes constricted ink flow ports (58) to reduce cavitation damage and smooth, contoured c...
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WO/1987/002150A1 |
A novel process and apparatus for multistage contacting of two materials advantageously provides high chemical efficiency and low losses of components of one of the materials caused by that material being carried out of the process with ...
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WO/1987/001213A1 |
A photosensitive resin solution is supplied into a cylinder which is rotated at a high speed, so that the photosensitive resin solution is uniformly adhered onto the inner surface of the cylinder due to centrifugal force and is solidifie...
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WO/1986/007171A1 |
Metallic salts of organic charge-transfer agents, such as TCNQ, TNAP, TCNE and DDQ and their derivatives, can be processed by an electron beam (22) for a variety of useful electronic and optical applications. The metallic charge transfer...
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WO/1986/007170A1 |
Apparatus for use as a detection system in the production of portal radiographs in high energy radiography, comprises an assembly containing a metal screen (7), a fluorescent screen (8), and a film (6) of a non-X-ray type. A method for p...
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WO/1986/004522A1 |
Mixing chemicals in liquid form by circulating one or more chemicals through a circuit which contains a porous filter (16), and introducing one or more further chemicals into the circuit immediately upstream of the porous filter (16).
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WO/1986/004695A1 |
A new method for fabricating a device, such as a semiconductor device. The method includes the step of patterning a substrate (e.g. 10) with a trilevel resist (e.g. 30) containing a spin-deposited substitute (e.g. 50) for the conventiona...
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WO/1986/004694A1 |
A silver halide photographic photo-sensitive material, in which a highly immobile novel arylidenebis type of dye which selectively dyes a specific layer and does not diffuse into other layers is incorporated in a hydrophilic colloidal la...
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WO/1986/004303A1 |
A graphic design article comprising a carrier (2) transparent to actinic radiation, a first adhesive layer (3) on the carrier, a graphic design (4) on portions of the first adhesive layer, and a second adhesive layer (5a) on the graphic ...
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WO/1986/001913A1 |
According to the method for making apparent stress and/or anomalies of plant growth, in particular trees in urban areas, a photography of the region to be osberved or parts of that region is first taken in false colours with reproduction...
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WO/1986/001313A1 |
In a process for forming a layer of patterned photoresist on a semiconductor substrate (10), a first, thin layer (12) of polymeric photoresist is formed on the substrate and, using a first mask (16, 18), selected regions (22) of the laye...
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WO/1985/004027A1 |
A contrast mask for a transparent photographic original may be formed by illuminating a photochromic body (11, 41) through the original with white light. Preferably the photochromic body (11, 41) is optically neutral (grey) and contains ...
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WO/1985/004025A1 |
An alkaline aqueous tanning developing solution for photographic image development comprising at least one hydroxylamine derivative, preferably also containing at least one water miscible polyhydroxy aliphatic organic solvent.
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WO/1985/003064A1 |
A method and apparatus for purification of waste water containing ions of heavy metals. With the use of filters (5, 6, 7) operating on the principe of reversed osmosis the waste water is purified and the resultant concentrate is a soluti...
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WO/1985/002690A1 |
Process intended both for the utilization and the elimination of all materials involved during a photochemical treatment of films. It enables to recover silver, plastic and paper. The exposed and developed films are subjected to an enzym...
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WO/1985/002029A1 |
A photographic process, and the product thereform, comprising over-exposing color positive transparency film in a camera while focused upon an object to produce a latent image of the object upon the film and then developing the latent im...
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WO/1985/000674A1 |
A process for treating a volume phase gelatin hologram to correct the Bragg's angle deviation thereof. The developed and fixed hologram is exposed to a high concentration of water vapor, dried at an elevated temperature and under reduced...
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