Patents Assigned to Forschungszentrum Karlsruhe GmbH
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Patent number: 8907333Abstract: Composite of layers which comprises a dielectric layer and a layer which comprises pyrogenic zinc oxide and is bonded to the dielectric layer. Process for producing the composite of layers, in which the pyrogenic zinc oxide is applied to the dielectric layer in the form of a dispersion in which the zinc oxide particles are present with a mean aggregate diameter of less than 200 nm, and the zinc oxide layer is dried and then treated at temperatures of less than 200° C. Process for producing the composite of layers, in which the pyrogenic zinc oxide is applied to a substrate layer or a composite of substrate layers in the form of a dispersion in which the zinc oxide particles are present with a mean aggregate diameter of less than 200 nm to form a zinc oxide layer, and then the zinc oxide layer and the substrate layer are treated at temperatures of less than 200° C., and then a dielectric layer is applied to the zinc oxide layer. Field-effect transistor which has the composite of layers.Type: GrantFiled: March 10, 2008Date of Patent: December 9, 2014Assignees: Evonik Degussa GmbH, Forschungszentrum Karlsruhe GmbHInventors: Frank-Martin Petrat, Heiko Thiem, Sven Hill, Andre Ebbers, Koshi Okamura, Roland Schmechel
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Patent number: 8881650Abstract: A die for the micro contact printing includes a die body and a die surface that is fixedly connected to the die body. The die surface is divided into at least two different regions. Each of the at least two regions comprises a different material having a different absorption capacity for printing ink. At least one of the at least two regions has a lateral dimension of no more than 1000 nanometers.Type: GrantFiled: May 17, 2008Date of Patent: November 11, 2014Assignee: Forschungszentrum Karlsruhe GmbHInventors: Stefan Walheim, Thomas Schimmel, Roland Groeger
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Patent number: 8765089Abstract: A process for reducing nitrogen oxides and halogenated organic compounds in an incineration plant having at least one combustion chamber. The process comprises separating out fly ash using a dust collector. Water is added to and hydrochloric acid separated out in a first acid-operated scrubber. Water and ammonia are added so as to separate out sulphur dioxide in a second neutral or slightly acid-operated scrubber so as to form ammonium sulphite, a portion of the ammonium sulphite thereby reacts with oxygen so as to form an aqueous ammonium sulphate/ammonium sulphite solution. The aqueous ammonium sulphate/ammonium sulphite solution is introduced into an oxygen-containing smoke gas downstream of a secondary gas introduction area so as to decompose the ammonium sulphate and ammonium sulphite so as to form ammonia and sulphur dioxide.Type: GrantFiled: March 8, 2007Date of Patent: July 1, 2014Assignee: Forschungszentrum Karlsruhe GmbHInventor: Hans Hunsinger
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Patent number: 8544394Abstract: Method for reducing a formation of nitrogen oxide on a primary side of a furnace and reducing or avoiding nitrous oxide and ammonia slip in an offgas of the furnace in which a fuel is burned in a combustion process having at least two stages. The method includes passing a fuel consecutively through each of a plurality of bed areas of a combustion bed of the furnace. A primary gas including oxygen is fed individually to each of the bed areas so as to burn the fuel in the combustion chamber of the furnace. A secondary gas including oxygen is introduced into a downstream offgas burn-out zone, so as to after-burn incompletely burned offgas components formed during the burning of the fuel.Type: GrantFiled: January 18, 2007Date of Patent: October 1, 2013Assignee: Forschungszentrum Karlsruhe GmbHInventor: Hans Hunsinger
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Patent number: 8523880Abstract: In a medical clip consisting of a platelet of an elastic bio-compatible material, the platelet is provided with a central H-shaped cut-out so as to form a frame structure with tongues extending from the frame structure toward each other and having adjacent front edges forming grasping elements, and the frame structure is curved and elastically biases the front edges toward each other.Type: GrantFiled: April 30, 2004Date of Patent: September 3, 2013Assignee: Forschungszentrum, Karlsruhe, GmbHInventors: Christian Kissel, Harald Fischer
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Patent number: 8470076Abstract: The invention relates to a method for reducing polyhalogenated compounds in incineration plants comprising at least one combustion chamber. The aim of the invention is to provide a more efficient method. To achieve this, SO2 is separated from the flue gas in at least one gas washer and is recirculated to the combustion chamber.Type: GrantFiled: August 14, 2004Date of Patent: June 25, 2013Assignee: Forschungszentrum Karlsruhe GmbHInventor: Hans Hunsinger
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Patent number: 8447068Abstract: A method for characterizing a flue gas burnout quality of a combustion process in a combustion system having a gas burnout zone includes optically detecting in a visible wavelength range, in a flow cross section of the gas burnout zone, low-soot combustion regions, regions without combustion, and sooting regions, so as to provide a plurality of successive individual images, the regions without combustion and the sooting regions having different dynamics. The plurality of successive individual images are analyzed so as to distinguish regions of transition, to the low-soot combustion regions, of the regions without combustion and the sooting regions.Type: GrantFiled: August 22, 2007Date of Patent: May 21, 2013Assignee: Forschungszentrum Karlsruhe GmbHInventors: Joerg Matthes, Hubert Keller, Hans Hunsinger
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Patent number: 8444837Abstract: A device for producing at least one of fluid flows and particles flows includes a substrate having a substrate surface. The substrate surface includes a matrix including a plurality of regions having at least one of a different magnitude of a surface charge, a different sign of the surface charge, and a different height above the substrate. A fluid including at least partially electrically charged particles is disposed at the substrate surface. A first control element is configured to supply a plurality of electrical voltages to a plurality of electrode pairs. The electric field exerts a first force on a component of the fluid within an electrical double layer. The component is disposed adjacent to the substrate surface. The electric field exerts a second force within the double layer and outside the double layer, the second force is exerted on the at least partially electrically charged particles.Type: GrantFiled: January 27, 2007Date of Patent: May 21, 2013Assignee: Forschungszentrum Karlsruhe GmbHInventors: Andreas Class, Dominik Barz
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Patent number: 8403483Abstract: An implantable system for determining the accommodation requirement in an artificial accommodation system by optical measurement of the pupil diameter and the surrounding luminance, including at least one optical system, at least one data acquisition system that does not contact the ciliary muscle and measures a diameter of the pupil and luminance around at least one eye as a physical control signal for the accommodation requirement, at least one data processing system for generating an actuating signal for the optical system from the detected physical control signals or for the purpose of switching to the standby mode, at least one energy supply system, and at least one fixing system. The system has one sensor or a plurality of sensors with sensor elements for measuring the pupil diameter and the surrounding luminance.Type: GrantFiled: February 18, 2008Date of Patent: March 26, 2013Assignees: Forschungszentrum Karlsruhe GmbH, Universitat RostockInventors: Simon Klink, Georg Bretthauer, Rudolf Guthoff, Ulrich Gengenbach, Mark Bergemann, Torsten Koker, Wolfgang Rückert
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Patent number: 8361175Abstract: A method for converting biomass having a water content of at least 50% into gaseous products includes providing a reactor containing supercritical water and a salt melt. The salt melt includes at least one of a salt and a salt mixture. The reactor and the salt melt are heated to the reaction temperature. The biomass is heated to a preheat temperature. The biomass heated to the preheat temperature is fed into the salt melt. The biomass is heated to the reaction temperature so as to commence a conversion of the biomass into the gaseous products, so as to release from the biomass at least one additional salt into the salt melt. An amount of the salt melt containing at least a portion of the at least one additional salt is withdrawn from the reactor and the amount of the withdrawn salt melt is replaced with a fresh salt solution. The gaseous products are removed from the reactor.Type: GrantFiled: December 20, 2007Date of Patent: January 29, 2013Assignee: Forschungszentrum Karlsruhe GmbHInventors: Hubert Goldacker, Andrea Kruse, Nicolaus Dahmen
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Patent number: 8337945Abstract: A method for producing an element including a substrate having a plurality of nanocylinders deposited thereon includes providing the substrate. The substrate is covered with a nanoporous Al2O3 membrane so as to provide a covered substrate. The covered substrate is alternately vapor-deposited, at a vapor-deposition temperatures from 250° C. to 400° C., with atoms of a magnetic element and atoms of a non-magnetic element so as to provide the plurality of nanocylinders. Each nanocylinder includes at least four superposed layers including, alternatively, the atoms of the magnetic element and the atoms of the non-magnetic element. The nanoporous Al2O3 membrane is then removed so that the nanocylinders remain on the substrate.Type: GrantFiled: April 28, 2007Date of Patent: December 25, 2012Assignee: Forschungszentrum Karlsruhe GmbHInventors: Jens Ellrich, Lei Yong, Horst Hahn
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Patent number: 8303822Abstract: The present invention relates to a fixed bed, for example for the isolation and/or purification of components originating from a biological system, which fixed bed comprises magnetic beads and a magnetizable fabric arranged at least in part in the fixed bed, a fluidized bed-fixed bed, which comprises the fixed bed of the invention after application of an alternating magnetic field, and also to a process for the isolation and/or purification of components originating from a biological system.Type: GrantFiled: July 4, 2007Date of Patent: November 6, 2012Assignees: Universität Karlsruhe, Forschungszentrum Karlsruhe GmbHInventors: Rudolf Hausmann, Matthias Franzreb
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Patent number: 8255022Abstract: A cryostat (1) with a magnet coil system including superconductors for the production of a magnet field B0 in a measuring volume (3) has a plurality of radially nested solenoid-shaped coil sections (4, 5, 6) which are electrically connected in series, at least one of which being an LTS section (5, 6) with a conventional low temperature superconductor (LTS) and at least one of which being an HTS section (4) including a high temperature superconductor (HTS), wherein the LTS section (5, 6) is located in a first helium tank (9) of the cryostat (1) along with liquid helium at a helium temperature TL<4 K. The apparatus is characterized in that the HTS section (4) is disposed radially within the LTS section (5, 6) in a separate helium tank (19) of the cryostat (1) having normal liquid helium and is separated from the LTS section (5, 6) by means of at least one wall disposed between the two helium tanks.Type: GrantFiled: March 7, 2007Date of Patent: August 28, 2012Assignees: Bruker Biospin GmbH, Forschungszentrum Karlsruhe GmbHInventors: Theo Schneider, Gerhard Roth, Arne Kasten
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Cryostat having a magnet coil system, which comprises an LTS section and an encapsulated HTS section
Patent number: 8255023Abstract: A cryostat (1) with a magnet coil system including superconductors for the production of a magnet field B0 in a measuring volume (3) has a plurality of radially nested solenoid-shaped coil sections (4, 5, 6) and which are electrically connected in series, at least one of which being an LTS section (5, 6) with a conventional low temperature superconductor (LTS) and at least one of which being an HTS section (4) including a high temperature superconductor (HTS), wherein the magnet coil system is located in a helium tank (9) of the cryostat (1) along with liquid helium at a helium temperature TL. The apparatus is characterized in that a chamber (11) is provided within which the HTS sections (4) are held having an internal portion with a sufficiently low pressure such that helium located therein at a temperature of TL is gaseous. The cryostat in accordance with the invention can be utilized to maintain HTS coil sections over a long period of time in a reliable fashion.Type: GrantFiled: March 7, 2007Date of Patent: August 28, 2012Assignees: Bruker Biospin GmbH, Forschungszentrum Karlsruhe GmbHInventors: Klaus Schlenga, Marion Klaeser, Thomas Arndt -
Patent number: 8250668Abstract: A microcantilever system comprising a paddle, its use and a method of simultaneously acquiring the topography and measuring the tip-sample interactions of a sample with it.Type: GrantFiled: September 16, 2009Date of Patent: August 21, 2012Assignees: Forschungszentrum Karlsruhe GmbH, University of MarylandInventors: Hendrik Hölscher, Santiago De Jesus Solares
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Patent number: 8231928Abstract: A method for producing a layer on a molded article. The method includes providing a formable film. Galvanically catalytically active nuclei are anchored to at least one region of the formable film provided for the layer. The formable film is shaped so as to form the molded article. A galvanic deposition is performed on a surface of the molded article so as to bond the nuclei to form the layer.Type: GrantFiled: February 2, 2007Date of Patent: July 31, 2012Assignee: Forschungszentrum Karlsruhe GmbHInventors: Nina Dambrowsky, Stefan Giselbrecht, Roman Truckenmueller
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Patent number: 8225681Abstract: A device for measuring superfine particle masses including a quartz oscillator and an exposure system having at least two measuring chambers. Each of the at least two measuring chambers has a same geometry, a deposition surface for particles, and an aerosol feed directed at the respective disposition surface configured to feed an aerosol onto the respective deposition surface. At least one of the respective deposition surfaces is disposed on the quartz oscillator.Type: GrantFiled: February 27, 2008Date of Patent: July 24, 2012Assignee: Forschungszentrum Karlsruhe GmbHInventors: Hanns-Rudolf Paur, Thomas Waescher, Sonja Muelhopt
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Patent number: 8227033Abstract: A method for applying membrane lipids to a substrate includes providing a substrate and an ink reservoir having an ink including a membrane lipid. The tip of a scanning probe microscope is dipped into the ink so as to dispose the membrane lipid on the tip. The tip of the scanning probe microscope is brought into contact with a surface of the substrate. The tip is moved over regions of the surface so that the membrane lipid migrates from the tip of the scanning probe microscope onto the surface of the substrate in the regions and the membrane lipid organizes itself in the regions in a form of a single lipid layer or in a form of one or a plurality of mutually superposed lipid bilayers. The tip is removed from the surface of the substrate.Type: GrantFiled: July 18, 2007Date of Patent: July 24, 2012Assignee: Forschungszentrum Karlsruhe GmbHInventors: Steven Lenhert, Harald Fuchs
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Patent number: 8210112Abstract: A method for improving a slag quality of slag in a grate firing system. The method includes providing slag in a grate firing system including a combustion chamber disposed above a combustion bed. The combustion bed has a plurality of fixed-bed burnout zones in series on a combustion grate. The fixed-bed burnout zones include a first series of fixed-bed burnout zones and a second fixed bed burn-out zone disposed downstream of the first series. The first series of fixed-bed burnout zones is traversed with a flow of oxygen-containing gas. A portion of the combustion bed associated with the second fixed bed burn-out zone is traversed with a flow of a hot combustion gas from the combustion chamber.Type: GrantFiled: May 24, 2007Date of Patent: July 3, 2012Assignee: Forschungszentrum Karlsruhe GmbHInventors: Hans Hunsinger, Andreas Gerig, Gerhard Haefele
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Patent number: 8202629Abstract: A cladding tube configured for use with nuclear fuels or nuclear feel elements and configured for contact with molten lead or molten lead alloys at up to 800° C. The cladding tube includes a tube including at least one of ferritic/martenisitic steel and austenitic steel. An alloy layer of up to 50 ?m thickness is disposed on a surface of the tube and operable for corrosion resistance. The alloy layer includes 0-25% chromium, 3-15% aluminum and 60-97% iron. A method of making the cladding tube includes the use of a pulsed electron beam to melt the alloy layer on the tube.Type: GrantFiled: June 20, 2006Date of Patent: June 19, 2012Assignee: Forschungszentrum Karlsruhe GmbHInventors: Annette Heinzel, Georg Mueller, Alfons Weisenburger, Frank Zimmermann, Gustav Schumacher, Vladimir Engelko