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WO/1989/012846A1 |
Ethers of oligomeric phenol-dialdehyde condensation products containing vinyl benzyl moieties in at least half of the ether moieties are excellent photosensitive prepolymers. Through simple masking and irradiation with a broad range of r...
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WO/1989/012261A1 |
A hologram is directly recorded in a sensitized metal substrate (1). The hologram may be an amplitude hologram, or may be treated to produce a phase relief hologram which may be stamped into a plastic material for reproduction, be archiv...
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WO/1989/011482A1 |
Described are novel spiro(benzindolino) benzoxazine compounds of formula (I), wherein: (a) B is a benzene ring that is fused to the e, f, or g face of the six member ring of the indolino portion of the compound; (b) R1 is selected from t...
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WO/1989/011674A1 |
An optical device is described having a polarisation state which is externally controllable and comprises a layer of a photochromic material which possesses a polar state in its bleached or coloured form and which has been subjected to m...
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WO/1989/010583A1 |
Method and apparatus for applying one or a plurality of superimposed layers of a photographic coating composition by the curtain coating method onto a moving support. The spacing between the edge guides, used to maintain the width of a c...
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WO/1989/008558A1 |
Oriented composite polyester films with improved adherence in respect of the various final coatings, comprising on at least one of their faces a primary adherence coating formed by co-extrusion of a common crystallisable polyester and of...
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WO/1989/007597A2 |
Photoactive compounds having general formulae (IIIa) or (IIIb), in which A represents oxygen or specified imido groups; P1 represents a 3-furyl, a 3-thienyl, a 3-pyrryl, a 3-benzofuryl or a 3-benzothienyl group, said 3-furyl, 3-thienyl a...
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WO/1989/007283A1 |
The start-up of a free-falling liquid curtain (12) in the coating of objects or a moving web (18) using curtain coaters is considerably improved by the controlled retraction of a catch pan device (30) positioned in close proximity to the...
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WO/1989/007104A1 |
Novel spirooxazine compounds represented by general formula (A) or (A') are photochromic compounds having excellent resistance to fatigue due to repeated color changes and provide a choice of various hues. In said formulae the alpha ring...
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WO/1989/006830A1 |
A photographic material prepared by using a silver halide emulsion containing silver halide grains wherein a halide distribution is microscopically completely uniform and/or which comprise a core part not containing reduced silver formed...
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WO/1989/006831A1 |
A silver halide photographic material and a process for its preparation are disclosed. This material has a silver halide emulsion layer containing photosensitive silver halide grains obtained by adding previously prepared fine silver hal...
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WO/1989/006829A1 |
The present invention relates to a method for obtaining a silver halide photographic composition for a coating layer. The method consists in individually preparing the various components of the desired layer, comprising at least one silv...
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WO/1989/006378A1 |
A process for removing unwanted photoresist material from the peripheral areas of a photoresist substrate characterized by the steps of: a) spin coating a photoresist solution onto a surface of a substrate, thereby applying a photoresist...
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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/1989/005478A1 |
A silver halide photographic material which comprises a support having provided thereon a hydrophilic colloidal layer containing at least one cyanine dye represented by general formula (I), wherein Y1 and Y2 each represents a chalcogen a...
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WO/1989/005476A1 |
A photoimageable composition includes a polymeric binder which is soluble in aqueous solution; a cross-linking agent for the polymeric binder; a polymerizable acrylic substance; a chemical, photosensitive, free radical-generating initiat...
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WO/1989/005477A1 |
In a process of curtain coating, the use of very high coating speeds is facilitated by application to the surface of the object to be coated of a predetermined high level of electrostatic polar charge. The level of charge which is effect...
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WO/1989/005335A1 |
A microencapsulated photochromic material, a process for its preparation, and a water-base ink composition prepared therefrom are disclosed. The microencapsulated photochromic material comprises a solution of a spirooxazine compound encl...
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WO/1989/000586A1 |
A photosensitive resin composition which has heat and chemical resistance, can be used for, particularly, forming protective film for chemical plating, and shows an improved solder heat resistance. This composition contains (a) polyureth...
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WO/1988/009958A1 |
This invention relates to a recording medium having a characteristic absorption wavelength band and properties such that its absorption spectral characteristics change before and after light absorption upon absorbing light in this absorp...
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WO/1988/007703A1 |
An improved photographic support, especially useful for color prints, is comprised of a paper base material having thereon a polyolefin coating containing a white pigment and a mixture of optical brighteners, such mixture comprising cert...
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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/1988/005724A1 |
To drive two toggle levers (29, 29') of a press, in particular a high frequency cutting press with at least 400 strokes per minute, two separate but mutually synchronized drives (101, 101') are provided to ensure a uniform, non-wobbling ...
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WO/1988/005928A1 |
The resin composition comprises a resin obtained by reacting a polyepoxide compound, an aromatic or heterocyclic carboxylic acid having a phenolic hydroxy group, and 1,2-quinonediazidosulfonyl chloride in specific proportions. The resin ...
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WO/1988/005927A1 |
A positive photosensitive resin composition which contains an acrylic resin having side chains with acid groups of a specific structure and a quinonediazide compound. This composition shows excellent adhesion to a base, has good flexibil...
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WO/1988/005179A1 |
When a resist composition is applied onto a silicon wafer, the resist composition scattering from a spinner is collected into a preparatory recovery tank (2) and is then sent into a recovery tank (3) having a thermostating means (6) and ...
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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/1988/004793A1 |
The process for improving radiant energy sensitivity of a film base coated with a dispersion of a normally crystalline polyacetylenic compound in a non-solvating liquid which is dried on the film surface; said polyacetylenic compound pre...
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WO/1988/004792A1 |
Polyacetylenic recording film of improved resistance to degradation by UV light and increased sensitivity to ionizing radiation and to the process for producing said film which comprises dissolving polyacetylenic imaging crystals in n-bu...
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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/1988/003666A1 |
A recording medium utilizing explosive materials of explosion temperatures from about 100�C-350�C, such as metal azides as an energy amplifying substance. A photosensitive material comprises an energy absorptive dye and such an explo...
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WO/1988/002878A1 |
A light-sensitive composition and method which can be used to produce photoresist images. The composition comprises a mixture of a novolak resin, a 1,2-quinonediazide sensitizer and sufficient quantities of one or more organic stabilizin...
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WO/1988/001758A1 |
A tensile force is given to a dry silver-salt roll-film for microphotographing of rotary type to cause a resisting force therein against the movement of said film, causing the cylindrical roll heater made up of a good conductor of heat t...
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WO/1988/001757A1 |
A light stabilizer for recording media subjected to exposure with radiant energy which comprises between about 10 and about 40 parts by weight of a vinyl ether/maleic acid ester copolymer and one part by weight of a hydroxylated benzophe...
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WO/1988/000196A1 |
Spirooxazine compounds represented by general formula (I), excellent in heat resistance and photochromic properties, photosensitive materials containing the compounds in a resin provided on a base plate, and a process for forming photoch...
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WO/1988/000223A1 |
The invention utilises 1,2-Dihydroquinolines (DHQ) in the preparation of photochromic ink compositions. By incorporating an acid in the ink compositions or by providing an electron-withdrawing N-substituent in the DHQ, ink compositions a...
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WO/1987/007399A1 |
A positive silver halide color photographic material which comprises an 80-mum to 150-mum thick reflective support having provided thereon a red-sensitive negative silver halide emulsion layer, a green-sensitive negative silver halide em...
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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/1987/006723A2 |
Imaging elements, including radiation-sensitive elements such as photographic color paper products, are comprised of a support bearing a substantially crystal- and agglomeration-free hydrophilic layer. This layer comprises a hydrophilic ...
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WO/1987/006725A2 |
The invention relates to the fabrication of integrated circuits. In photoengraving operations, it is necessary to spread resins, particularly photosensitive resins. Such spreading is carried out by centrifugation after deposition of a re...
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WO/1987/006360A1 |
A color developer for silver halide color photographic material, which contains at least one compound selected from among those represented by general formulae (II) and (III) and a compound represented by general formula (I). A process f...
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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/1987/005717A1 |
Multilayered image receptive film capable of being 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 fr...
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WO/1987/005409A1 |
The invention relates to methods for applying simultaneously on a plurality of integrated circuit boards a photosensitive film having a uniform thickness of arsenic or gemanium selenide glass sensitized by a silver salt. A device accordi...
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WO/1987/005127A1 |
A color image forming process which comprises developing color photographic printing paper comprising a support having provided thereon a silver halide emulsion layer containing a monodisperse silver chlorobromide emulsion of up to 20 % ...
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WO/1987/004809A1 |
A color image-forming process which comprises processing an imagewise exposed color paper containing an anionic surfactant having a fluorine-substituted aliphatic group as a hydrophobic group and an -SO3M or -OSO3M group (wherein M repre...
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WO/1987/004808A1 |
A thermally developable photosensitive material containing (a) at least one organic silver compound, (b) at least one reducing agent, for said organic silver compound, (c) at least one photosensitive silver halide, and (d) at least one i...
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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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