Patents by Inventor Dina Lofficial

Dina Lofficial 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).

  • Photocatalytic composition that comprises metal particles and two semiconductors including one made of indium oxide
    Patent number: 10695753
    Abstract: The invention relates to a composition that contains a first semiconductor SC1, particles that comprise one or more element(s) M in the metal state selected from among an element of groups IVB, VB, VIB, VIIB, VIIIB, IB, IIB, IIIA, IVA and VA of the periodic table, and a second semiconductor SC2 that comprises indium oxide, with said first semiconductor SC1 being in direct contact with said particles that comprise one or more element(s) M in the metal state, with said particles being in direct contact with said second semiconductor SC2 that comprises indium oxide in such a way that the second semiconductor SC2 covers at least 50% of the surfaces of the particles that comprise one or more element(s) M in the metal state. The invention also relates to its preparation method as well as its application of photocatalysis.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: June 30, 2020
    Assignees: Centre National de la Recherche Scientifique, Universite Claude Bernard-Lyon 1, IFP Energies Nouvelles
    Inventors: Dina Lofficial, Antoine Fecant, Denis Uzio, Eric Puzenat, Christophe Geantet
  • Photocatalytic composition comprising metallic particles and two semiconductors, one of which is composed of cerium oxide
    Patent number: 10682630
    Abstract: The invention relates to a composition that contains a first semiconductor SC1, particles that comprise one or more element(s) M in the metal state selected from among an element of groups IVB, VB, VIB, VIIB, VIIIB, IB, IIB, IIIA, IVA and VA of the periodic table, and a second semiconductor SC2 that comprises cerium oxide, with said first semiconductor SC1 being in direct contact with said particles that comprise one or more element(s) M in the metal state, with said particles being in direct contact with said second semiconductor SC2 that comprises cerium oxide in such a way that the second semiconductor SC2 covers at least 50% of the surfaces of the particles that comprise one or more element(s) M in the metal state. The invention also relates to its preparation method as well as its application of photocatalysis.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: June 16, 2020
    Assignees: IFP ENERGIES NOUVELLES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD—LYON 1
    Inventors: Dina Lofficial, Antoine Fecant, Denis Uzio, Eric Puzenat, Christophe Geantet
  • Metal sulphide-based composite photocatalyst for producing hydrogen
    Patent number: 9993807
    Abstract: The invention concerns a composition comprising a mixture of zinc sulphide (ZnS) and molybdenum sulphide (MoSx), in which the Mo/Zn molar ratio is in the range 0.01 to 1.9. The invention also pertains to a process for its preparation as well as to its application in photocatalysis and more particularly to its application in photocatalysis for the production of dihydrogen from water (H2O) and/or hydrogen sulphide (H2S) and/or any other source of protons in the presence of a source emitting in the ultraviolet and/or visible spectrum.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: June 12, 2018
    Assignees: CNRS, IFP Energies nouvelles
    Inventors: Antoine Fecant, Denis Uzio, Dina Lofficial, Eric Puzenat, Elodie Blanco, Pavel Afanasiev, Gilles Berhault
  • PHOTOCATALYTIC COMPOSITION THAT COMPRISES METAL PARTICLES AND TWO SEMICONDUCTORS INCLUDING ONE MADE OF INDIUM OXIDE
    Publication number: 20170239647
    Abstract: The invention relates to a composition that contains a first semiconductor SC1, particles that comprise one or more element(s) M in the metal state selected from among an element of groups IVB, VB, VIB, VIIB, VIIIB, IB, IIB, IIIA, IVA and VA of the periodic table, and a second semiconductor SC2 that comprises indium oxide, with said first semiconductor SC1 being in direct contact with said particles that comprise one or more element(s) M in the metal state, with said particles being in direct contact with said second semiconductor SC2 that comprises indium oxide in such a way that the second semiconductor SC2 covers at least 50% of the surfaces of the particles that comprise one or more element(s) M in the metal state. The invention also relates to its preparation method as well as its application of photocatalysis.
    Type: Application
    Filed: October 6, 2015
    Publication date: August 24, 2017
    Applicants: Centre National de la Recherche Scientifique, Universite Claude Bernard - Lyon 1, IFP Energies Nouvelles
    Inventors: Dina LOFFICIAL, Antoine FECANT, Denis UZIO, Eric PUZENAT, Christophe GEANTET
  • PHOTOCATALYTIC COMPOSITION COMPRISING METALLIC PARTICLES AND TWO SEMICONDUCTORS, ONE OF WHICH IS COMPOSED OF CERIUM OXIDE
    Publication number: 20170216823
    Abstract: The invention relates to a composition that contains a first semiconductor SC1, particles that comprise one or more element(s) M in the metal state selected from among an element of groups IVB, VB, VIB, VIIB, VIIIB, IB, IIB, IIIA, IVA and VA of the periodic table, and a second semiconductor SC2 that comprises cerium oxide, with said first semiconductor SC1 being in direct contact with said particles that comprise one or more element(s) M in the metal state, with said particles being in direct contact with said second semiconductor SC2 that comprises cerium oxide in such a way that the second semiconductor SC2 covers at least 50% of the surfaces of the particles that comprise one or more element(s) M in the metal state. The invention also relates to its preparation method as well as its application of photocatalysis.
    Type: Application
    Filed: October 6, 2015
    Publication date: August 3, 2017
    Applicants: IFP ENERGIES NOUVELLES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD - LYON 1
    Inventors: Dina LOFFICIAL, Antoine FECANT, Denis UZIO, Eric PUZENAT, Christophe GEANTET
  • METAL SULPHIDE-BASED COMPOSITE PHOTOCATALYST FOR PRODUCING HYDROGEN
    Publication number: 20150158017
    Abstract: The invention concerns a composition comprising a mixture of zinc sulphide (ZnS) and molybdenum sulphide (MoSx), in which the Mo/Zn molar ratio is in the range 0.01 to 1.9. The invention also pertains to a process for its preparation as well as to its application in photocatalysis and more particularly to its application in photocatalysis for the production of dihydrogen from water (H2O) and/or hydrogen sulphide (H2S) and/or any other source of protons in the presence of a source emitting in the ultraviolet and/or visible spectrum.
    Type: Application
    Filed: June 19, 2013
    Publication date: June 11, 2015
    Applicants: CNRS, IFP Energies nouvelles
    Inventors: Antoine Fecant, Denis Uzio, Dina Lofficial, Eric Puzenat, Elodie Blanco, Pavel Afanasiev, Gilles Berhault