Patents by Inventor Nour Eddine El Bounia

Nour Eddine El Bounia 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).

  • Publication number: 20130009110
    Abstract: Methods for controlling and improving the conductivity of thermoplastic polymer composites containing CNTs or even for making these materials conductive when they are initially insulating. For example, methods including either injection moulding or extrusion at a temperature above the melting temperature of the polymer, or a subsequent heat treatment step of said composite obtained by injection moulding or extrusion.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 10, 2013
    Applicant: Arkema France
    Inventors: Benoit BRULE, Nicolas Devaux, Patrick M. Piccione, Eric Gamache, Catherine Bluteau, Nour-Eddine El Bounia
  • Publication number: 20120077403
    Abstract: The present invention relates to a multilayer conductive fiber having a core/shell structure, wherein the core contains nanotubes, in particular carbon nanotubes. The invention also relates to a method for producing said fiber by coextrusion and to the uses thereof The invention finally relates to a composite material including the aforementioned multilayer composite fibers bonded together by weaving or using a polymer matrix.
    Type: Application
    Filed: May 27, 2010
    Publication date: March 29, 2012
    Applicants: Centre National De La Recherche Scientifique, Arkema France
    Inventors: Patrice Gaillard, Alexander Korzhenko, Philippe Poulin, Nour Eddine El Bounia
  • Publication number: 20110251331
    Abstract: The present invention pertains to the use of nanotubes of at least one chemical element chosen from elements of groups IHa, IVa and Va of the periodic table to improve the high temperature mechanical properties of a polymeric matrix comprising at least one semi-crystalline thermoplastic polymer.
    Type: Application
    Filed: June 25, 2008
    Publication date: October 13, 2011
    Inventors: Thomas Page Mcandrew, Gilles Hochstetter, Michael Werth, Alain Bouilloux, Benoit Brule, Patrickm. M. piccione, Nour Eddine El Bounia, Christophe Roger, Emily Bressand
  • Patent number: 7943065
    Abstract: The present invention relates to a conductive carbon nanotube-polymer composite, comprising carbon nanotubes, and a mixture of polymers in a form of coalesced polymer particles, wherein the mixture of polymer particles in their non coalesced form is defined by the presence of at least two population of polymer particles having a size distribution which is at least bimodal.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: May 17, 2011
    Assignee: Arkema France
    Inventor: Nour Eddine El Bounia
  • Publication number: 20110039089
    Abstract: The invention relates to a polymer-based cellular structure comprising carbon nanotubes. To a method for its production and uses thereof.
    Type: Application
    Filed: April 14, 2006
    Publication date: February 17, 2011
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Nour-Eddine El Bounia, Thomas Roussel
  • Patent number: 7838587
    Abstract: The invention relates to a polymer material comprising 99 to 20 parts by weight of polymer(s), 0.1 to 80 parts by weight of carbon nanotubes, and 0.05 to 80 parts by weight of at least one type of dispersant selected from A-B-C, B-C and/or C-B-C block copolymers, wherein each block is bonded to the other by means of a covalent bond, C is a chemical and/or physical interaction with the polymer material and in preferably is miscible therwith, B is not miscible with the polymer material and with the block B and the glass transition temperature thereof. Tg is less than the polymer material use temperature, A is not miscible with the polymer material and with the blocks B and the block C and the Tg or the fusion temperature Tf is greater than the Tg of B.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: November 23, 2010
    Assignees: Arkema France, C.N.R.S.
    Inventors: Nour Eddine El Bounia, Ludwik Leibler, Sylvie Tence-Girault, Corinne Soulie-Ziakovic
  • Publication number: 20100084616
    Abstract: The invention relates to methods for controlling and improving the conductivity of thermoplastic polymer composites containing CNTs or even for making these materials conductive when they are initially insulating. The present invention relates to a conductive composite, based on a thermoplastic polymer and on carbon nanotubes (CNTs), and the methods for preparing said conductive composite, the methods comprising either injection moulding or extrusion at a temperature above the melting temperature of the polymer, or a subsequent heat treatment step of said composite obtained by injection moulding or extrusion.
    Type: Application
    Filed: October 1, 2007
    Publication date: April 8, 2010
    Applicant: Arkema France
    Inventors: Benoit Brule, Nicolas Devaux, Patrick M. Piccione, Eric Gamache, Catherine Bluteau, Nour-Eddine El Bounia
  • Patent number: 7649066
    Abstract: The present invention describes linear or star block copolymers, their process of preparation and their use in adhesive compositions, in particular as pressure-sensitive adhesive. The copolymers of the invention are prepared by controlled radical polymerization by nitroxides; they exhibit at least one soft block with a Tg of less than 0┬░ C. and at least one hard block with a Tg of greater than ambient temperature.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: January 19, 2010
    Assignee: Arkema France
    Inventors: St├ęphanie Magnet, Olivier Guerret, Nicolas Passade Boupat, Christian Laurichesse, Nour Eddine El Bounia
  • Publication number: 20090200517
    Abstract: The present invention relates to a conductive carbon nanotube-polymer composite, comprising carbon nanotubes, and a mixture of polymers in a form of coalesced polymer particles, wherein the mixture of polymer particles in their non coalesced form is defined by the presence of at least two population of polymer particles having a size distribution which is at least bimodal.
    Type: Application
    Filed: April 10, 2007
    Publication date: August 13, 2009
    Applicant: Arkema France
    Inventor: Nour Eddine El Bounia
  • Publication number: 20090176924
    Abstract: The present invention relates to pulverulent compositions based on carbon nanotubes which exhibit an excellent dispersibility in polymer materials and can advantageously be used as reinforcing agents and/or modifiers of conducting and/or thermal properties; they can be easily incorporated in polymer matrices in the masterblend form.
    Type: Application
    Filed: November 29, 2006
    Publication date: July 9, 2009
    Applicant: Arkema France
    Inventors: Serge Bordere, Sylvain Bourrigaud, Sylvie Cazaumayou, Laurence Couvreur, Nour Eddine El Bounia, Nicolas Passade-Boupat, Patrick M. Piccione
  • Publication number: 20090121196
    Abstract: The invention relates to the use of carbon nanotubes for the production of an electrically-conductive organic composition having an electrical resistivity that is constant as a function of temperature and to the applications of said compositions. The conductive organic composition has a temperature-insensitive electrical resistivity and a temperature-insensitive thermal conductivity. Constant resistivity as a function of temperature is represented in FIG. 2.
    Type: Application
    Filed: January 5, 2006
    Publication date: May 14, 2009
    Applicant: ARKEMA FRANCE
    Inventor: Nour Eddine El Bounia
  • Publication number: 20080275375
    Abstract: The invention relates to a block copolymer which is produced by a controlled radical polymerization, has an individual composition and structure and is used for adhesion in a humid medium The inventive copolymer comprises a continuous flexible and water repellent matrix (of elastomer nature) and a dispersed phase in the form of hydrophilic nanodomains. Said copolymer exhibits an excellent adhesion as a result of the structure thereof also in a very humid medium.
    Type: Application
    Filed: July 11, 2008
    Publication date: November 6, 2008
    Inventors: Olvier GUEREET, Nour Eddine El Bounia, Sylwia Poivet, Frederic Nallet, Pascale Fabre, Eric Papon, Yves Gnanou, Kai Schierholz
  • Publication number: 20080207817
    Abstract: The invention relates to a polymer material comprising 99 to 20 parts by weight of polymer(s), 0.1 to 80 parts by weight of carbon nanotubes, and 0.05 to 80 parts by weight of at least one type of dispersant selected from A-B-C, B-C and/or C-B-C block copolymers, wherein each block is bonded to the other by means of a covalent bond, C is a chemical and/or physical interaction with the polymer material and in preferably is miscible therwith, B is not miscible with the polymer material and with the block B and the glass transition temperature thereof. Tg is less than the polymer material use temperature, A is not miscible with the polymer material and with the blocks B and the block C and the Tg or the fusion temperature Tf is greater than the Tg of B.
    Type: Application
    Filed: March 31, 2005
    Publication date: August 28, 2008
    Applicants: Arkema France, Centre National de la Rocherche Scientifique (CNRS
    Inventor: Nour-Eddine El Bounia
  • Patent number: 5448908
    Abstract: Device for the measurement of viscoelasticity of products, and in particular those with low viscosity. It is of a type including a male cupel equipped with a cylindrical separating partition which can be introduced into an annular chamber arranged in a body of a female cupel and receiving the product to be measured, and a drive mechanism for movement around an axis of rotation of one of the cupels in relation to the other, and characterized in that it has, in addition, the means to close in an impervious manner the annular chamber.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: September 12, 1995
    Assignee: Societe Nationale Elf Aquitaine
    Inventors: Nour-Eddine El Bounia, Cathy Rey