Patents by Inventor Bernard Doudin

Bernard Doudin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11434882
    Abstract: Disclosed is a device including at least one circulating zone and at least one fluid including at least one more-paramagnetic liquid and at least one less-paramagnetic liquid forming a liquid-liquid interphase, the device including at least one element generating, in the circulating zone, a magnetic field, wherein the less-paramagnetic liquid is surrounded by the more-paramagnetic liquid in the circulating zone or wherein the more-paramagnetic liquid is surrounded by the less-paramagnetic liquid in the circulating zone. Also disclosed is a method including circulating at least one less-paramagnetic liquid inside one or more circulating zones of a device including at least one circulating zone and at least one more-paramagnetic liquid in the circulating zone.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: September 6, 2022
    Assignees: UNIVERSITÉ DE STRASBOURG, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, THE PROVOST, FELLOWS, FOUNDATION SCHOLARS, AND THE OTHER MEMBERS OF BOARD, OF THE COLLEGE OF THE HOLY AND UNDIVIDED TRINITY OF QUEEN ELIZABETH COLLEGE GREEN
    Inventors: Thomas Hermans, John Michael David Coey, Peter Dunne, Bernard Doudin
  • Publication number: 20210332815
    Abstract: Disclosed is a device including at least one circulating zone and at least one fluid including at least one more-paramagnetic liquid and at least one less-paramagnetic liquid forming a liquid-liquid interphase, the device including at least one element generating, in the circulating zone, a magnetic field, wherein the less-paramagnetic liquid is surrounded by the more-paramagnetic liquid in the circulating zone or wherein the more-paramagnetic liquid is surrounded by the less-paramagnetic liquid in the circulating zone. Also disclosed is a method including circulating at least one less-paramagnetic liquid inside one or more circulating zones of a device including at least one circulating zone and at least one more-paramagnetic liquid in the circulating zone.
    Type: Application
    Filed: January 19, 2018
    Publication date: October 28, 2021
    Inventors: Thomas HERMANS, John Michael David COEY, Peter DUNNE, Bernard DOUDIN
  • Patent number: 9849437
    Abstract: A method is provided for modifying a surface of a solid conducting material, which includes applying a potential difference between this surface and a surface of another conducting solid material positioned facing it, and wherein, simultaneously, the surface (S) is put into contact with a liquid medium comprising in solution triarylamines (I): while subjecting these triarylamines (I) to electromagnetic radiation, at least partly converting them at into triarylammonium radicals. Also provided is a conducting device which includes two conducting metal materials, the surfaces of which, (S) and (S?) respectively, are electrically interconnected through an organic material comprising conducting fibrillar organic supramolecular species comprising an association of triarylamines of formula (I).
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: December 26, 2017
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE DE STRASBOURG
    Inventors: Nicolas Giuseppone, Jean-François Dayen, Vina Faramarzi, Emilie Moulin, Frederic Niess, Bernard Doudin
  • Patent number: 9594264
    Abstract: An electrical device in provided having two electrodes separated from one another, wherein one temperature controlled electronic spin-state transition particle is in direct contact with each of the two electrodes, the particle being of the ionic type and containing a transition metal bearing a cationic charge.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: March 14, 2017
    Assignee: Centre National de la Recherche Scientifique—CNRS-
    Inventors: Jean-François Letard, Céline Etrillard, Bernard Doudin, Vina Faramarzi, Jean-François Dayen
  • Patent number: 9349958
    Abstract: The invention relates to the use of zwitterionic molecules for forming a hole or electron transport layer. The preferred zwitterionic molecules of the invention are derivatives of p-benzoquinonemonoimines. The invention is useful in the field of electronic devices in particular.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: May 24, 2016
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE STRASBOURG, UNIVERSITY OF NEBRASKA LINCOLN
    Inventors: Bernard Doudin, Pierre Braunstein, Lucie Routaboul, Guillaume Dalmas, Zhengzheng Zhang, Peter Dowben
  • Publication number: 20150298092
    Abstract: A method is provided for modifying a surface of a solid conducting material, which includes applying a potential difference between this surface and a surface of another conducting solid material positioned facing it, and wherein, simultaneously, the surface (S) is put into contact with a liquid medium comprising in solution triarylamines (I): while subjecting these triarylamines (I) to electromagnetic radiation, at least partly converting them at into triarylammonium radicals. Also provided is a conducting device which includes two conducting metal materials, the surfaces of which, (S) and (S?) respectively, are electrically interconnected through an organic material comprising conducting fibrillar organic supramolecular species comprising an association of triarylamines of formula (I).
    Type: Application
    Filed: April 20, 2015
    Publication date: October 22, 2015
    Inventors: Nicolas GIUSEPPONE, Jean-François DAYEN, Vina FARAMARZI, 1c impas MOULIN, Frederic NIESS, Bernard DOUDIN
  • Patent number: 9028722
    Abstract: A method is provided for modifying a surface of a solid conducting material, which includes applying a potential difference between this surface and a surface of another conducting solid material positioned facing it, and wherein, simultaneously, the surface (S) is put into contact with a liquid medium comprising in solution triarylamines (I): while subjecting these triarylamines (I) to electromagnetic radiation, at least partly converting them at into triarylammonium radicals. Also provided is a conducting device which includes two conducting metal materials, the surfaces of which, (S) and (S?) respectively, are electrically interconnected through an organic material comprising conducting fibrillar organic supramolecular species comprising an association of triarylamines of formula (I).
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: May 12, 2015
    Assignees: Centre National de la Recherche Scientifique (C.N.R.S.), Universite de Strasbourg
    Inventors: Nicolas Giuseppone, Jean-François Dayen, Vina Faramarzi, Emilie Moulin, Frederic Niess, Bernard Doudin
  • Publication number: 20130306936
    Abstract: An electrical device in provided having two electrodes separated from one another, wherein one temperature controlled electronic spin-state transition particle is in direct contact with each of the two electrodes, the particle being of the ionic type and containing a transition metal bearing a cationic charge.
    Type: Application
    Filed: February 7, 2012
    Publication date: November 21, 2013
    Applicant: Centre National De La Recherche Scientifique - CNRS -
    Inventors: Jean-Francois Letard, Celine Etrillard, Bernard Doudin, Vina Faramarzi, Jean-Francois Dayen
  • Publication number: 20130193426
    Abstract: The invention relates to the use of zwitterionic molecules for forming a hole or electron transport layer. The preferred zwitterionic molecules of the invention are derivatives of p-benzoquinonemonoimines. The invention is useful in the field of electronic devices in particular.
    Type: Application
    Filed: August 23, 2011
    Publication date: August 1, 2013
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITY OF NEBRASKA LINCOLN, UNIVERSITE DE STRASBOURG
    Inventors: Bernard Doudin, Pierre Braunstein, Lucie Routaboul, Guillaume Dalmas, Zhengzheng Zhang, Peter Dowben
  • Publication number: 20130037307
    Abstract: The present invention relates to a method for modifying a surface of a solid conducting material, which comprises a step (E), in which a potential difference is applied between this surface and a surface of another conducting solid material positioned facing it, and wherein, simultaneously, said surface (S) is put into contact with a liquid medium comprising in solution triarylamines (I): while subjecting these triarylamines (I) to electromagnetic radiation, least partly converting them at into triarylammonium radicals. The invention also relates to a conducting device comprising two conducting metal materials, the surfaces of which, (S) and (S?) respectively, are electrically interconnected through an organic material comprising conducting fibrillar organic supramolecular species comprising an association of triarylamines of formula (I).
    Type: Application
    Filed: March 15, 2012
    Publication date: February 14, 2013
    Applicant: Universite de Strasbourg
    Inventors: Nicolas GIUSEPPONE, Jean-François Dayden, Vina Faramarzi, Emilie Moulin, Frederic Niess, Bernard Doudin
  • Patent number: 7358846
    Abstract: The present invention provides systems and method utilizing magnetoelectric materials such as Cr2O3 to construct tunneling magnetoresistence and/or giant magnetoresistence structures for memory and/or logical circuitry. An applied voltage differential induces a magnetic moment in the magnetoelectric material, which in turn tunes an exchange field between it and one or more adjacent ferromagnetic layers. The resulting magnetoresistence of the device may be measured. Devices in accordance with the present invention may be utilized for MRAM read heads, memory storage cells and/or logical circuitry such as XOR or NXOR devices.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: April 15, 2008
    Inventor: Bernard Doudin
  • Publication number: 20070014143
    Abstract: The present invention provides systems and method utilizing magnetoelectric materials such as Cr2O3 to construct tunneling magnetoresistence and/or giant magnetoresistence structures for memory and/or logical circuitry. An applied voltage differential induces a magnetic moment in the magnetoelectric material, which in turn tunes an exchange field between it and one or more adjacent ferromagnetic layers. The resulting magnetoresistence of the device may be measured. Devices in accordance with the present invention may be utilized for MRAM read heads, memory storage cells and/or logical circuitry such as XOR or NXOR devices.
    Type: Application
    Filed: June 1, 2006
    Publication date: January 18, 2007
    Inventor: Bernard Doudin
  • Patent number: 6657888
    Abstract: Disclosed are two terminal bistable memory cells having least two high-spin polarization magnetic material junctions which are separated from one another by electron trap site defect containing insulator. The two terminal bistable memory cells demonstrate stable, low current readable, hysteretic resistance states which are set by the flow of a relatively high, (eg. a milliamp or less), plus or minus polarity D.C. current therethrough, which resistance is monitored by lower magnitude A.C. or D.C. current flow therethrough. Preferred cells have at least one CrO2/Cr2O3/CrO2 sequence but typically have multiple CrO2/Cr2O3/CrO2 sequences in series.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: December 2, 2003
    Assignee: Board of Regents of the University of Nebraska
    Inventors: Bernard Doudin, Andrei Sokolov, Cheol-Soo Yang, Lu Yuan, Sy-Hwang Liou