Patents Assigned to Agfa-Gevaert
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Publication number: 20080050534Abstract: A composition comprising a polyanion and a polymer or copolymer of a substituted or unsubstituted thiophene as a solution or as a dispersion in a liquid medium and at least one compound with at least two vinyl groups, wherein said liquid medium comprises at least one non-aqueous solvent and has less than 30% by weight of water; and said composition comprises more than 0.1% by weight of the polymer or copolymer of a substituted or unsubstituted thiophene and is capable of UV-photopolymerization due to said composition comprising at least one vinyl-compound capable of initiating UV-photopolymerization and/or at least one UV-photoinitiator; an ink with the composition of the composition; and a process for producing a layer or pattern on an object with the composition.Type: ApplicationFiled: August 9, 2007Publication date: February 28, 2008Applicant: AGFA-GEVAERTInventors: Frank Louwet, Louis Bollens
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Patent number: 7329891Abstract: In order to improve the picture quality of X-rays, a read-out control is provided for controlling a read-out device such that a first storage phosphor layer, which has a first thickness d1, is read out by the read-out device controlled in a first read-out mode, and a second storage phosphor layer, which has a second thickness d2 which is greater than the first thickness d1, is read out by the read-out device controlled in a second read-out mode, the second read-out mode being different from the first read-out mode. The scan parameters of the read-out device set in the first read-out mode are different from the scan parameters set in the second read-out mode in at least one scan parameter. The scan parameters are, for example, the size of the pixels, a pulse duration and/or intensity and/or width of a focus range of stimulation light, integration time and/or feed time of the detector.Type: GrantFiled: February 9, 2006Date of Patent: February 12, 2008Assignee: Agfa-Gevaert Healthcare GmbHInventors: Jörg Frankenberger, Robert Fasbender, Clemens Herrmann, Johan Lamotte, Stephan Mair, Horst Scherer
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Publication number: 20080017833Abstract: An aqueous dispersion of latex particles, said latex particles containing a polymer containing monomer units according to formula (I): in which R1 and R2 independently of one another represent hydrogen or a C1-5-alkyl group or together form an optionally substituted C1-5-alkylene residue and at least one polyanion compound, said latex having a primary particle size of less than 40 nm and said dispersion contains an organic compound containing a di- or polyhydroxy- and/or carboxy groups or amide or lactam group or an aprotic compound with a dielectric constant, ?, ?15, wherein said latex particles contain said at least one polyanion compound and said polymer in a weight ratio of at least 4; a process for preparing an electroconductive coating comprising the steps of: preparing an aqueous solution or dispersion of the above-mentioned polymer by polymerization with an initiator in a reaction medium in the presence of at least one polyanion compound under oxidizing or reducing conditions, wherein the weightType: ApplicationFiled: May 16, 2007Publication date: January 24, 2008Applicant: AGFA-GEVAERTInventors: Frank Louwet, Bert Groenendaal
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Patent number: 7315040Abstract: An X-ray reading device, for reading out X-ray information stored in a phosphor plate, includes an insertion device into which a cassette in which the phosphor plate is located, can be inserted, and an oblong insertion opening through which the phosphor plate located within the inserted cassette can be conveyed into an inside cavity of the X-ray reading device. In order to guarantee a reliable light seal with a simple closure mechanism which can accommodate different position tolerances and cassette formats, at least one closure mechanism is provided which can be moved in a longitudinal direction of the insertion opening to close at least one second section of the insertion opening.Type: GrantFiled: September 22, 2005Date of Patent: January 1, 2008Assignee: AGFA-Gevaert Healthcare GmbHInventors: Franz Auer, Werner Ihm, Peter Schwelle, Johannes Holzl, Rudolf Werkstetter
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Patent number: 7312467Abstract: An apparatus and associated method for reading out X-ray information of an X-ray picture stored in a phosphor layer includes: an irradiation device for irradiating the phosphor layer with a stimulating light beam to be moved along a line over the phosphor layer, and in so doing stimulating the phosphor layer into emitting emission light; a detector for collecting the emission light emitted from the storage phosphor layer and for converting the emission light collected into a detector signal S; a processing unit for deducing picture signal values B for pixels of the picture along the line from the detector signal S; and two or more sensors located at different reference positions to collect reference times when the light beam is located at the different reference positions. The processing unit deduces a number of detector signal values D from the detector signal S to deduce the picture signal values B between the two reference times.Type: GrantFiled: June 28, 2005Date of Patent: December 25, 2007Assignee: Agfa-Gevaert HealthCare GmbHInventors: Bernd Gerstlauer, Detlef Brautmeier, Rainer Nebosis, Axel Kasper
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Patent number: 7307276Abstract: A layer configuration on a support, the layer configuration comprising a non-photoactive element exclusive of unsubstituted poly(3,4-alkylenedioxythiophene)s, the element containing at least one polymer selected from the group consisting of polycarboxy-polymers, optionally quaternized polyamine-polymers and poly(vinylphosphonic acid), the surface of one side of the element being contiguous with a positive electrode and the surface on the opposite side of the element being contiguous with a material capable of transporting holes.Type: GrantFiled: August 15, 2003Date of Patent: December 11, 2007Assignee: Agfa-GevaertInventor: Hieronymus Andriessen
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Patent number: 7304316Abstract: A storage phosphor plate for the storage of X-ray information, including a storage phosphor layer which stores the X-ray information and can be stimulated by stimulation light into emitting emission light, and a support layer on which the storage phosphor layer is located, the support layer being partially transparent for the stimulation light, and having a thickness d and an absorption coefficient for the stimulation light, where (k times d)?0.2.Type: GrantFiled: October 27, 2005Date of Patent: December 4, 2007Assignee: Agfa-Gevaert HealthCare GmbHInventor: Stephan Mair
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Patent number: 7297460Abstract: A radiation curable ink composition comprising at least one initiator and at least one polyhedral oligomeric silsesquioxane (POSS) represented by the following empirical formula [R(SiO1.5)]n wherein n=4, 6, 8, 10, 12, 14, 16 and larger and each R is independently hydrogen, an inorganic group, an alkyl group, an alkylene group, an aryl group, an arylene group, or non-heterocyclic group-containing organo-functional derivatives of alkyl, alkylene, aryl or arylene groups; and a process for obtaining a colourless, monochrome or multicolour ink jet image comprising the steps of jetting one or more streams of ink droplets having the above-mentioned composition onto an ink-jet ink receiver material, and subjecting the obtained image to radiation curing.Type: GrantFiled: February 9, 2004Date of Patent: November 20, 2007Assignee: Agfa-GevaertInventors: Luc Vanmaele, Johan Loccufier, Roland Claes
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Patent number: 7297294Abstract: A method for producing CsX:Eu stimulable phosphors and screens or panels provided with said phosphors as powder phosphors or vapor deposited needle-shaped phosphors suitable for use in image forming methods for recording and reproducing images of objects made by high energy radiation, wherein said CsX:Eu stimulable phosphors are essentially free from oxygen in their crystal structure, and wherein X represents a halide selected from the group consisting of Br, Cl and combinations thereof, and wherein the method further comprises the steps of mixing CsX with a compound or combinations of precursor compounds having as a composition CsxEuyX?x+?y, wherein the ratio of x to y exceeds a value of 0.25, wherein ??2 and wherein X? is a halide selected from the group consisting of Cl, Br and I and combinations thereof; heating said mixture at a temperature above 450° C.; cooling said mixture, and optionally annealing and recovering said CsX:Eu phosphor.Type: GrantFiled: November 20, 2006Date of Patent: November 20, 2007Assignee: Agfa-GevaertInventors: Jean-Pierre Tahon, Johan Lamotte, Paul Leblans
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Patent number: 7297382Abstract: An improved ink-jet recording material is disclosed comprising a support and at least one ink receiving layer containing a water-soluble or water-dispersible polymer, characterized in that said polymer comprises a repeating monomeric unit having a moiety capable of chelating boric acid by means of at least one nitrogen containing functional group and at least one hydroxyl group thereby forming a five- or six-membered ring.Type: GrantFiled: November 5, 2003Date of Patent: November 20, 2007Assignee: AGFA-GevaertInventors: Hubertus Van Aert, Johan Loccufier, Stefaan Lingier
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Patent number: 7291224Abstract: The present invention provides an assembly comprising two plates or covers, one of which being an outermost plate or cover, and both, at least in part having a perforation pattern over a surface area covering an open side of a crucible having a bottom and surrounding side walls containing raw materials, wherein said outermost cover is mounted at a distance farther from the said crucible than said cover covering said open side of a crucible, and wherein both covers are mounted versus each other, so that, when viewed through an axis in a direction perpendicular to the bottom of the crucible from a distance to said outermost cover of at least 10 times the distance between said two plates or covers, its contents cannot be observed as their perforations and the crucible are never forming one line, perpendicular to the plane formed by said bottom.Type: GrantFiled: June 2, 2005Date of Patent: November 6, 2007Assignee: Agfa-GevaertInventors: Jan Koninckx, Luc Struye, Johan Lamotte
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Patent number: 7288150Abstract: A method has been disclosed for manufacturing a storage phosphor for use in a photostimulable phosphor screen or panel comprising a support and a storage phosphor layer, wherein a dopant or activator is incorporated more homogeneously in amorphous and in crystalline phosphors as well, starting with a mixing step of said matrix component and activator component in stoechiometric ratios in order to provide a desired phosphor composition; and more particularly in order to prepare a CsBr:Eu2+ phosphor having an optimized sensitivity with respect to its particle size.Type: GrantFiled: December 17, 2004Date of Patent: October 30, 2007Assignee: AGFA GevaertInventors: Jean-Pierre Tahon, Johan Lamotte, Paul Leblans
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Patent number: 7288679Abstract: A device comprises at least one organophosphonium transition metal dye or is provided with a filter, comprising at least one organophosphonium transition metal dye, wherein, in a particular embodiment said device is selected from the group consisting of a scanner, a digitizer, a display and a photographic device.Type: GrantFiled: August 6, 2004Date of Patent: October 30, 2007Assignee: AGFA-GevaertInventors: Luc Vanmaele, Paul Leblans, Luc Struye
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Publication number: 20070236490Abstract: An image display and review system for display of medical images represented by a digital image data set wherein a pre-defined number of viewports for display of different image representations is provided and wherein at least some of these viewports are configured to enable sequential display of different image representations deduced from the digital image data set.Type: ApplicationFiled: November 21, 2006Publication date: October 11, 2007Applicant: AGFA-GEVAERTInventors: Alessi Casteele, Luc Verstraeten, Matthieu Ferrant, Josef Friedrichkeit
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Publication number: 20070231476Abstract: A printing method wherein a lay out composition for a print sheet is defined as a hierarchical set of cells, independent of characteristics of a printing device. A printing model is generated for at least one image to be printed and/or associated annotation data by means of this lay out composition and links to data files. The printing model is converted into a bit map representation taking into account the printing characteristics of the printing device.Type: ApplicationFiled: January 29, 2007Publication date: October 4, 2007Applicant: AGFA-GEVAERT N.V.Inventors: Leon Vincent, Patrick Hellemans
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Patent number: 7276182Abstract: In a method for producing CsX:Eu stimulable phosphors and screens or panels provided with said phosphors as powder phosphors or vapor deposited needle-shaped phosphors suitable for use in image forming methods for recording and reproducing images of objects made by high energy radiation, said CsX:Eu stimulable phosphors are essentially free from oxygen in their crystal structure, wherein X represents a halide selected from the group consisting of Br, Cl and combinations thereof; and wherein the method further comprises the steps of mixing CsX with a compound or combinations of compounds having as a composition CsxEuyX?x+?y, wherein the ratio of x to y exceeds a value of 0.25, wherein ??2 and wherein X? is a halide selected from the group consisting of Cl, Br and I and combinations thereof; heating said mixture at a temperature above 450° C.; cooling said mixture, and, optionally, annealing and recovering said CsX:Eu phosphor.Type: GrantFiled: February 2, 2005Date of Patent: October 2, 2007Assignee: AGFA-GevaertInventors: Jean-Pierre Tahon, Paul Leblans, Johan Lamotte
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Publication number: 20070224543Abstract: A photopolymer printing plate precursor includes, in this order, a photosensitive coating and ap pretective coating on a support, wherein te photosensitive coating includes a composition that is photopolymerizable upon absorption of light, the composition including a blidner, a polymerizable compound, a radical stabilizer, a sensitizer, and a photoinitiator. The photoinitiator is preferably a hexaaryl-bisimidazole compound and the protective layer has a dry coating weight from about 0.5 to less thatn about 2.0 g/m2 and contains at least one type of poly(vinyl alcohol), having a saponification degree less than about 93 mol %, and a poly(vinyl pyrrolidone) in an amount from 0 to about 10 parts by weight of the poly(vinyl alcohol). The photopolymer printing plate is very stable at high pre-heat temperatures.Type: ApplicationFiled: April 27, 2005Publication date: September 27, 2007Applicant: AGFA-GEVAERTInventors: Willi-Kurt Griess, Marc Van Damme
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Patent number: 7256413Abstract: A device for reading out X-ray information stored in a phosphor plate for simplified and solid guiding and/or holding of phosphor plates, with at the same time a high degree of compactness, includes: a device for holding and/or conveying the phosphor plate in an orientation inclined by an inclination angle ? in relation to a vertical in which the phosphor plate is flat in form; and a read-out device for reading out the flat phosphor plate inclined by the inclination angle ? in relation to the vertical.Type: GrantFiled: September 22, 2005Date of Patent: August 14, 2007Assignee: Agfa-Gevaert AktiengesellschaftInventors: Roland Muller, Gunther Schindlbeck, Volkmar Voigtlander, Peter Schwelle, Olaf Klabunde, Andreas Dier, Jean-Didier Labarte, Edwin Kieselbach, Rudolf Werkstetter, Werner Stahl, Johannes Holzl
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Patent number: 7250613Abstract: The invention relates to a device for capturing ionizing radiation, in which a substrate which is provided with a phosphor layer is accommodated in a housing. To simplify the device and to ensure a high light yield, the invention provides that a means for buffering the atmospheric humidity is accommodated in the housing.Type: GrantFiled: September 27, 2001Date of Patent: July 31, 2007Assignee: Agfa-GevaertInventors: Manfred Fuchs, Erich Hell, Peter Hackenschmied, Wolfgang Knuepfer
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Patent number: 7247342Abstract: An electroluminescent device comprising a transparent or translucent support, a transparent or translucent first electrode, a second conductive electrode and an electroluminescent phosphor layer sandwiched between the transparent or translucent first electrode and the second conductive electrode, wherein the first and second electrodes each comprises a polymer or copolymer of a 3,4-dialkoxythiophene, which may be the same or different, in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge; a display comprising the above-mentioned electroluminescent device; a lamp comprising the above-mentioned electroluminescent device; manufacturing processes for the above-mentioned electroluminescent devices; and the use of such devices for the integrated backlighting of static and dynamic posters and signage.Type: GrantFiled: July 7, 2003Date of Patent: July 24, 2007Assignee: Agfa-GevaertInventors: Peter Willaert, Tom Cloots, Roger Van den Bogaert
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Patent number: 5030353Abstract: A secondary sewage treatment system is provided with vertically-aligned foam collecting, turbulent, mixing, settling, and sludge collecting zones. A grating defines the boundary between the turbulent and mixing zones. Beneath the grating, a bouyant media, such as hollow plastic spheres, are contained and occupy substantially all of the mixing zone. Air diffusers including elongated draft tubes extend from the turbulent zone down through the mixing zone for introduction of air to aerate waste water liquor and to cause the aerated liquor to recirculate up into the turbulent zone, thereby creating a circulation of waste water liquor from the turbulent zone, down through the mixing zone and around the bouyant media, and up through the draft tubes to the turbulent zone.Type: GrantFiled: July 23, 1990Date of Patent: July 9, 1991Inventor: William L. Stuth