Patents Assigned to Universitat Duisburg-Essen
  • Patent number: 11462129
    Abstract: A surgical simulator having at least two holding elements on a support surface, wherein a bore for receiving a bearing pin is present laterally on the holding elements at least one location, and at least one bow is arranged coaxially with respect to the bearing pin which extends on a circular or rectangular line about the support surface, wherein, by a coaxial movement of the bow about the circular or rectangular line, a work field of variable size can be adjusted, and, by the movement of the bow as frame element on the holding elements, the support surface can be spanned in an arc shape, and the use of such a surgical simulator for medical and veterinary training purposes.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 4, 2022
    Assignee: UNIVERSITÄT DUISBURG-ESSEN
    Inventor: Ivan Novokhatskiy
  • Patent number: 11149067
    Abstract: The present invention pertains to an improved chemical synthesis method for Ahp-cyclodepsipeptides which allows straight forward and easy synthesis of tailor-made Ahp-cyclodepsipeptides. The invention further provides Ahp-cyclodepsipeptides for use as HTRA protease inhibitors and their medical use.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: October 19, 2021
    Assignee: UNIVERSITÄT DUISBURG-ESSEN
    Inventors: Markus Kaiser, Steffen Köcher, Juliana Rey, Jens Bongard, Michael Ehrmann, Sarah Resch
  • Publication number: 20200211590
    Abstract: A heat assisted magnetic recording disk drive comprises a magnetic recording media with a heat sink layer including at least a material being defined by the general structure Mn+1AXn, wherein M is a transition metal, A is an A-group element, X is C or N or a mixture of C and N, and n is a positive integer, or a material defined by the general structure Mn+1AXn, wherein M is a transition metal, X is one or both of C and N, and n is a positive integer, or a mixture of the materials being defined by the general structure Mn+1AXn and the material defined by the general structure Mn+1Xn, wherein the crystal structure of the materials is hexagonal with repeated M-X-M (quasi 2D) atomic layers. The atomic layers are stacked along the {right arrow over (c)}-axis that is oriented substantially parallel to the surface normal of the heat sink layer.
    Type: Application
    Filed: September 6, 2016
    Publication date: July 2, 2020
    Applicants: UNIVERSITÄT DUISBURG-ESSEN
    Inventors: Dieter WELLER, Ruslan SALIKHOV, Ulf WIEDWALD, Michael FARLE
  • Publication number: 20200111536
    Abstract: The present invention is directed towards a tubular nanosized magnetic wire, wherein the nanosized magnetic wire comprises: a tubular magnetic shell surrounding a longitudinal axis of the wire, at least one region of the tubular magnetic shell is capable of providing a 360° magnetic domain wall, wherein the 360° magnetic domain wall is self-stabilizing and has a magnetization going from a parallel alignment to a perpendicular alignment and to a parallel alignment with regards to the wire axis. The present invention also provides a practical method capable of making a tubular nanosized magnetic wire with a self-stabilizing, 360° magnetic domain wall. The present invention also relates to the use of the tubular nanosized magnetic wire in a racetrack memory device.
    Type: Application
    Filed: October 4, 2018
    Publication date: April 9, 2020
    Applicant: Universität Duisburg-Essen
    Inventors: Benjamin ZINGSEM, Michael FARLE, Thomas FEGGELER, Irene IGLESIAS
  • Patent number: 10614902
    Abstract: The present invention is directed towards a tubular nanosized magnetic wire, wherein the nanosized magnetic wire comprises: a tubular magnetic shell surrounding a longitudinal axis of the wire, at least one region of the tubular magnetic shell is capable of providing a 360° magnetic domain wall, wherein the 360° magnetic domain wall is self-stabilizing and has a magnetization going from a parallel alignment to a perpendicular alignment and to a parallel alignment with regards to the wire axis. The present invention also provides a practical method capable of making a tubular nanosized magnetic wire with a self-stabilizing, 360° magnetic domain wall. The present invention also relates to the use of the tubular nanosized magnetic wire in a racetrack memory device.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: April 7, 2020
    Assignee: Universität Duisburg-Essen
    Inventors: Benjamin Zingsem, Michael Farle, Thomas Feggeler, Irene Iglesias
  • Patent number: 10507107
    Abstract: An implantable device for improving or remedying valvular incompetence, comprising a sealing body and at least one anchoring element (2) fastened thereto, by means of which the sealing body is able to be fastened in the heart, preferably in the atrium of the heart, wherein the sealing body comprises at least one cavity (6), which is also able to be filled with a fluid after implanting the sealing body and preferably not able to be emptied independently, and wherein, furthermore preferably, the sealing body remains expanded with constant volume during the cardiac phases as a result of the filling, characterized in that a plurality of cavities (6) are disposed about a main body (1) of the sealing body lying in the direction of longitudinal extent of the sealing body, or a single cavity (6) surrounds a main body (1) of the sealing body lying in the direction of longitudinal extent of the sealing body, wherein the main body (1) is embodied as a tube which is able to be bent out of the linear extent thereof and in
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: December 17, 2019
    Assignees: Universität Duisburg-Essen, coramaze technologies GmbH
    Inventors: Niklas Maximilian Nathe, Till Neumann, Torsten Scheuermann
  • Publication number: 20190206282
    Abstract: A surgical simulator having at least two holding elements on a support surface, wherein a bore for receiving a bearing pin is present laterally on the holding elements at least one location, and at least one bow is arranged coaxially with respect to the bearing pin which extends on a circular or rectangular line about the support surface, wherein, by a coaxial movement of the bow about the circular or rectangular line, a work field of variable size can be adjusted, and, by the movement of the bow as frame element on the holding elements, the support surface can be spanned in an arc shape, and the use of such a surgical simulator for medical and veterinary training purposes.
    Type: Application
    Filed: September 6, 2017
    Publication date: July 4, 2019
    Applicant: UNIVERSITÄT DUISBURG-ESSEN
    Inventor: Ivan NOVOKHATSKIY
  • Patent number: 10207038
    Abstract: The disclosure relates to a pump for implantation into a vessel or a heart, with the pump being introduced in a first state into the vessel or heart in order then be functionally changed over to a second state in the vessel or in the heart, having a drive part and a delivery part, where the drive part is not functional in the first state and becomes functional as a result of the changeover to the second state, wherein the drive part has an electric motor, where the electric motor is embodied as a wet rotor, and where, in the first state, the rotor of the electric motor and the stator of the electric motor are arranged so as to be separate from one another, and where the rotor of the electric motor is moved into the stator of the electric motor in the second state, where the rotor can drive the delivery part in the second state.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: February 19, 2019
    Assignee: UNIVERSITAT DUISBURG-ESSEN
    Inventor: Till Neumann
  • Publication number: 20190010484
    Abstract: The present invention relates to a method for predicting the degree of radiosensitivity of a cell by determining the number of prompt double-strand breaks (prDSBs) and predicting the degree of radiosensitivity of the cell based on the number of prDSBs. The present invention relates furthermore to a method for predicting the degree of radiosensitivity of a cell by determining the number of thermally labile sugar lesion-dependent double-strand breaks (tlDSBs) and predicting the degree of radiosensitivity of the cell based on the number of tlDSBs.
    Type: Application
    Filed: August 4, 2016
    Publication date: January 10, 2019
    Applicant: Universität Duisburg-Essen
    Inventor: George ILIAKIS
  • Publication number: 20180360959
    Abstract: The present invention relates to an agent which inhibits Kallikrein-8 for use in the treatment or prevention of Alzheimer's disease and/or its precursor stages, as well as to methods, kits and uses relating thereto, including diagnostic tools.
    Type: Application
    Filed: September 21, 2016
    Publication date: December 20, 2018
    Applicant: UNIVERSITÄT DUISBURG-ESSEN
    Inventors: Arne Herring, Kathy Keyvani
  • Publication number: 20180354849
    Abstract: The invention provides an aerogel-concrete mixture, a high-performance aerogel concrete obtained therefrom, and a method for production thereof. The problem addressed by the present application is that of providing pressure-resistant but not very thermally conductive concretes, precast concrete components, screeds, screeds for precast components, (glassfibre-) reinforced concrete, fire protection panels, construction elements for thermal partition and blocks. The aerogel-concrete mixture contains: 10% to 85% by volume/m3 of aerogel pellets having a grain size in the range from 0.01 to 4 mm, 100 to 900 kg/m3 of inorganic hydraulic binder, 10% to 40% by weight based on the binder content of at least one silica gel suspension, 1% to 5% by weight based on the binder content of at least one plasticizer, 0.2% to 1% by weight based on the binder content of at least one stabilizer and 0% to 60% by volume/m3 of at least one lightweight aggregate.
    Type: Application
    Filed: June 13, 2016
    Publication date: December 13, 2018
    Applicants: DEUTSCHES ZENTRUM FÜR LUFT-UND RAUMFAHRT E.V., UNIVERSITÄT DUISBURG-ESSEN
    Inventors: Barbara MILOW, Lorenz RATKE, Torsten WELSCH, Silvia FICKLER, Martina SCHNELLENBACH-HELD, Jan-Eric HABERSAAT
  • Publication number: 20160184606
    Abstract: The present invention relates to a device for collimating electromagnetic radiation comprising a shielding structure at least partially surrounding a radiation source which has an opening in a transmission direction (A), a plurality of lamellae of a material that absorbs electromagnetic radiation which are positioned in the opening, and collimator channels between the lamellae which extend in the transmission direction (A), wherein the lamellae have a height (H) in the range of ?10 ?m to ?3000 ?m.
    Type: Application
    Filed: June 6, 2013
    Publication date: June 30, 2016
    Applicants: Universität Duisburg-Essen, Technische Universität Dortmund
    Inventors: Dirk Flühs, Marion Eichmann
  • Patent number: 9339803
    Abstract: In one aspect, catalytic membranes are described herein. In some embodiments, a catalytic membrane comprises a surface functionalized with a polymer, the polymer comprising cellulose solubilization functionalities and acid functionalities for the catalytic hydrolysis of cellulose and/or hemicellulose.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: May 17, 2016
    Assignees: Board of Trustees of the University of Arkansas, Universitat Duisburg-Essen
    Inventors: Sumith Ranil Wickramasinghe, Xianghong Qian, Mathias Ulbricht, Qian Yang
  • Patent number: 9074259
    Abstract: The invention relates to an in vitro method for predicting disease risks, progression of diseases, drug risks, success of treatment and for finding drug targets by looking for one or more genetic modifications in the promoter region of the CHK1 (CHEK1) gene on human chromosome 11q23, the genetic modifications being a substitution thymine for guanine in position ?1143 in the promoter of CHK1, of thymine for cytosine in position ?1400, a substitution of cytosine for thymine in position ?1453 or an insertion of one cytosine in position ?1454 and the genetic modifications being detected individually or in any combinations by way of known methods.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: July 7, 2015
    Assignee: UNIVERSITAT DUISBURG-ESSEN
    Inventors: Kathrin Riemann, Winfried Siffert
  • Patent number: 8945431
    Abstract: The invention relates to a process for producing an electrically conductive, porous, silicon- and/or tin-containing carbon material which is suitable in particular for the production of an anode material, preferably for lithium ion batteries; in a first step of the process, preferably crystalline silicon nanoparticles and/or tin nanoparticles and/or silicon/tin nanoparticles are introduced into a matrix based on at least one organic polymer, being more particular dispersed therein, and subsequently, in a second step of the process, the resultant polymer matrix containing the silicon, tin and/or silicon/tin nanoparticles is carbonized to form carbon.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: February 3, 2015
    Assignee: Universität Duisburg-Essen
    Inventors: Christof Schulz, Hartmut Wiggers
  • Patent number: 8945611
    Abstract: The invention relates to dispersions of artificial oxygen carriers, wherein the dispersions contain capsules with reversible oxygen storage capacity, the capsules comprising an oxygen-permeable capsule material, that contains and/or encloses fluorinated, particularly perfluorinated hydrocarbons, preferably perfluorocarbons. The dispersions are particularly suitable as a blood substitute, preferably for the purpose of transfusion, e.g. in states of blood loss of the human or animal body, in particular following surgical interventions, accidents, injuries etc, or for the prophylactic treatment and/or treatment by therapy of ischaemic states or states following a reperfusion.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: February 3, 2015
    Assignee: Universität Duisburg-Essen
    Inventors: Herbert De Groot, Christian Mayer, Frank Petrat, Michael Kirsch
  • Publication number: 20140231351
    Abstract: The invention provides permeable magnetically responsive filtration membranes that include a filtration membrane polymer base suitable for fluid filtration; hydrophilic polymers conjugated to the surface of the filtration membrane polymer; and magnetic nanoparticles affixed to the ends of a plurality of the hydrophilic polymers, wherein the hydrophilic polymers are movable with respect to the surface of the filtration membrane polymer surface in the presence of an oscillating magnetic field.
    Type: Application
    Filed: August 8, 2012
    Publication date: August 21, 2014
    Applicants: Colorado State University Research Foundation, The Board of Trustees of the University of Arkansas, Lehrstuhl fur Technische Chemie II, Universitat Duisburg-Essen
    Inventors: Sumith Ranil WICKRAMASINGHE, Xianghong QIAN, Heath H. HIMSTEDT, Mathias ULBRICHT, Michael J. SEMMENS
  • Patent number: 8791092
    Abstract: This invention provides novel compositions to inhibit the aggregation of amyloid proteins. In various embodiments the compositions comprise a molecular tweezers that binds lysine and/or arginine and thereby inhibits the aggregation of amyloidogenic proteins.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: July 29, 2014
    Assignees: The Regents of the University of California, The United States of America as represented by the Department of Veterans Affairs, Massachusetts Institute of Technology, Universitat Duisburg-Essen
    Inventors: Gal Bitan, Akila Shanmugam, Aleksey Lomakin, Thomas Schrader, Frank Gerrit Klarner, Peter Talbiersky, Jolanta Polkowska, Frank Bastkowski, Sharmistha Sinha, Sally Frautschy
  • Publication number: 20130189676
    Abstract: The invention relates to an in vitro method for predicting disease risks, progression of diseases, drug risks, success of treatment and for finding drug targets by looking for one or more genetic modifications in the promoter region of the CHK1 (CHEK1) gene on human chromosome 11q23, the genetic modifications being a substitution thymine for guanine in position ?1143 in the promoter of CHK1, of thymine for cytosine in position ?1400, a substitution of cytosine for thymine in position ?1453 or an insertion of one cytosine in position ?1454 and the genetic modifications being detected individually or in any combinations by way of known methods.
    Type: Application
    Filed: November 1, 2012
    Publication date: July 25, 2013
    Applicant: Universitat Duisburg-Essen
    Inventor: Universitat Duisburg-Essen
  • Patent number: 8321021
    Abstract: A stimulation system, an implantable electrode device and a method for operating an implantable electrode device are proposed. A simplified implantation, a simple construction and reliable control are made possible by the electrode device being supplied with energy, and controlled, in an exclusively wireless manner via a time-variable magnetic field. The magnetic field is generated by an implanted control device.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: November 27, 2012
    Assignee: Universität Duisburg-Essen
    Inventors: Erhard Kisker, Heinrich Wieneke