Patents by Inventor Ariane Marmottant

Ariane Marmottant 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: 11332837
    Abstract: The invention relates to an electrode material, preferably an inert anode material comprising at least a metal core and a cermet material, characterized in that: said metal core contains at least one nickel (Ni) and iron (Fe) alloy, said cermet material comprises at least as percentages by weight: 45 to 80% of a nickel ferrite oxide phase (2) of composition NixFeyMzO4 with 0.60 ?x?0.90; 1.90?y?2.40; 0.00?z?0.20 and M being a metal selected from aluminum (Al), cobalt (Co), chromium (Cr), manganese (Mn), titanium (Ti), zirconium (Zr), tin (Sn), vanadium (V), niobium (Nb), tantalum (Ta) and hafnium (Hf) or being a combination of these metals, 15 to 45% of a metallic phase (1) comprising at least one alloy of nickel and copper.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: May 17, 2022
    Assignee: ELYSIS LIMITED PARTNERSHIP
    Inventors: Christian Barthelemy, Sylvie Bouvet, Armand Gabriel, Veronique Laurent, Ariane Marmottant
  • Patent number: 10415122
    Abstract: A cermet material includes as mass percentages, at least: 50% to 90% of a metallic phase containing an alloy of copper (Cu) and nickel (Ni), and 10% to 50% of an oxide phase containing at least iron, nickel and oxygen with the following proportion by mass of Ni: 0.2%?Ni?17%. An electrode, preferably an anode, may include this cermet material.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: September 17, 2019
    Assignee: ELYSIS LIMITED PARTNERSHIP
    Inventors: Christian Barthelemy, Ariane Marmottant, Véronique Laurent, Sylvie Bouvet, Vincent Stabrowski
  • Publication number: 20180073109
    Abstract: A cermet material includes as mass percentages, at least: 50% to 90% of a metallic phase containing an alloy of copper (Cu) and nickel (Ni), and 10% to 50% of an oxide phase containing at least iron, nickel and oxygen with the following proportion by mass of Ni: 0.2%?Ni?17%. An electrode, preferably an anode, may include this cermet material.
    Type: Application
    Filed: March 23, 2016
    Publication date: March 15, 2018
    Applicant: Rio Tinto Alcan International Limited
    Inventors: Christian BARTHELEMY, Ariane MARMOTTANT, Véronique LAURENT, Sylvie BOUVET, Vincent STABROWSKI
  • Publication number: 20170130351
    Abstract: The invention relates to an electrode material, preferably an inert anode material comprising at least a metal core and a cermet material, characterized in that: said metal core contains at least one nickel (Ni) and iron (Fe) alloy, said cermet material comprises at least as percentages by weight: 45 to 80% of a nickel ferrite oxide phase (2) of composition NixFeyMzO4 with 0.60 ?x?0.90; 1.90?y?2.40; 0.00?z?0.20 and M being a metal selected from aluminum (Al), cobalt (Co), chromium (Cr), manganese (Mn), titanium (Ti), zirconium (Zr), tin (Sn), vanadium (V), niobium (Nb), tantalum (Ta) and hafnium (Hf) or being a combination of these metals, 15 to 45% of a metallic phase (1) comprising at least one alloy of nickel and copper.
    Type: Application
    Filed: June 23, 2015
    Publication date: May 11, 2017
    Inventors: Christian Barthelemy, Sylvie Bouvet, Armand Gabriel, Véronique Laurent, Ariane Marmottant