Patents by Inventor Denis Uzio
Denis Uzio 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).
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Patent number: 11905471Abstract: The present invention relates to a hydrogenolysis process wherein a hydrocarbon-based feedstock comprising aromatic compounds having at least 8 carbon atoms is treated by means of a hydrogen feed and in the presence of a catalyst, in order to convert C2+ alkyl chains of said aromatic compounds into methyl groups and to produce a hydrogenolysis effluent enriched in methyl-substituted aromatic compounds, wherein the catalyst comprises a support, comprising at least one refractory oxide, and an active phase comprising nickel and molybdenum, wherein: the nickel content being between 0.1 and 25% by weight relative to the total weight of the catalyst; the molybdenum content being between 0.1 and 20% by weight relative to the total weight of the catalyst; and the catalyst comprising a molar ratio of molybdenum to nickel of between 0.2 and 0.9. The present invention also relates to said catalyst and to the process for preparing said catalyst.Type: GrantFiled: December 13, 2019Date of Patent: February 20, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Vincent Coupard, Anne-Claire Dubreuil, Alexandre Jouve, Denis Uzio
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Patent number: 11717808Abstract: The invention relates to a photocatalytic carbon dioxide reduction method carried out in liquid and/or gas phase under irradiation, using a photocatalyst containing a first semiconductor, particles comprising one or more metallic-state elements M, and a second semiconductor SC, wherein the method is carried out by contacting a feedstock containing the CO2 and at least one sacrificial compound with the photocatalyst, then irradiating the photocatalyst such that the CO2 is reduced, and oxidising the sacrificial compound in order to produce an effluent containing at least in part C1 or above carbon molecules other than CO2.Type: GrantFiled: April 23, 2018Date of Patent: August 8, 2023Assignee: IFP Energies nouvellesInventors: Sophie Bernadet, Antoine Fecant, Denis Uzio, Renal-Vasco Backov, Serge Ravaine
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Publication number: 20220056350Abstract: The present invention relates to a hydrogenolysis process wherein a hydrocarbon-based feedstock comprising aromatic compounds having at least 8 carbon atoms is treated by means of a hydrogen feed and in the presence of a catalyst, in order to convert C2+ alkyl chains of said aromatic compounds into methyl groups and to produce a hydrogenolysis effluent enriched in methyl-substituted aromatic compounds, wherein the catalyst comprises a support, comprising at least one refractory oxide, and an active phase comprising nickel and molybdenum, wherein: the nickel content being between 0.1 and 25% by weight relative to the total weight of the catalyst; the molybdenum content being between 0.1 and 20% by weight relative to the total weight of the catalyst; and the catalyst comprising a molar ratio of molybdenum to nickel of between 0.2 and 0.9. The present invention also relates to said catalyst and to the process for preparing said catalyst.Type: ApplicationFiled: December 13, 2019Publication date: February 24, 2022Applicant: IFP Energies nouvellesInventors: Vincent COUPARD, Anne-Claire DUBREUIL, Alexandre JOUVE, Denis UZIO
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Patent number: 11247193Abstract: Process for preparing a porous monolith comprising between 10% and 100% by weight of a semiconductor relative to the total weight of the porous monolith, which process comprises the following steps: a) a first aqueous suspension containing polymer particles is prepared; b) a second aqueous suspension containing particles of least one inorganic semiconductor is prepared; c) the two aqueous suspensions prepared in steps a) and b) are mixed in order to obtain a paste; d) a heat treatment of the paste obtained in step c) is carried out in order to obtain the monolith with multimodal porosity.Type: GrantFiled: April 23, 2018Date of Patent: February 15, 2022Assignee: IFP Energies NouvellesInventors: Sophie Bernadet, Antoine Fecant, Denis Uzio, Renal-Vasco Backov, Serge Ravaine
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Patent number: 11242301Abstract: The invention relates to a selective hydrogenolysis method for treating a feed rich in aromatic compounds having more than 8 carbon atoms, comprising transforming at least one alkyl group with at least two carbon atoms (ethyl, propyl, butyl, isopropyl, etc.) attached to a benzene ring into at least one methyl group. The invention also relates to the integration of the hydrogenolysis unit into an aromatic complex.Type: GrantFiled: July 16, 2018Date of Patent: February 8, 2022Assignee: IFP Energies NouvellesInventors: Alexandre Pagot, Denis Uzio, Jean-Francois Joly, Anne-Claire Dubreuil
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Patent number: 11077427Abstract: The invention relates to a porous monolith comprising between 20 wt.-% and 70 wt.-% TiO 2 relative to the total weight of the monolith, and between 30 wt.-% and 80 wt.-% a refractory oxide, selected from silica, alumina or silica-alumina, relative to the total weight of the monolith, characterized in that said porous monolith has a bulk density of less than 0.19 g/mL.Type: GrantFiled: April 23, 2018Date of Patent: August 3, 2021Assignee: IFP Energies NouvellesInventors: Sophie Bernadet, Antoine Fecant, Denis Uzio, Renal-Vasco Backov, Serge Ravaine
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Publication number: 20210106977Abstract: The invention relates to a photocatalytic carbon dioxide reduction method carried out in liquid and/or gas phase under irradiation, using a photocatalyst containing a first semiconductor, particles comprising one or more metallic-state elements M, and a second semiconductor SC, wherein the method is carried out by contacting a feedstock containing the CO2 and at least one sacrificial compound with the photocatalyst, then irradiating the photocatalyst such that the CO2 is reduced, and oxidising the sacrificial compound in order to produce an effluent containing at least in part C1 or above carbon molecules other than CO2.Type: ApplicationFiled: April 23, 2018Publication date: April 15, 2021Applicant: IFP Energies nouvellesInventors: Sophie BERNADET, Antoine FECANT, Denis UZIO, Renal-Vasco BACKOV, Serge RAVAINE
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Publication number: 20210101133Abstract: The invention relates to a porous monolith comprising between 20 wt.-% and 70 wt.-% Ti0 2 relative to the total weight of the monolith, and between 30 wt.-% and 80 wt.-% a refractory oxide, selected from silica, alumina or silica-alumina, relative to the total weight of the monolith, characterized in that said porous monolith has a bulk density of less than 0.19 g/mL.Type: ApplicationFiled: April 23, 2018Publication date: April 8, 2021Applicant: IFP Energies NouvellesInventors: Sophie BERNADET, Antoine FECANT, Denis UZIO, Renal-Vasco BACKOV, Serge RAVAINE
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Publication number: 20210101134Abstract: Process for preparing a porous monolith comprising between 10% and 100% by weight of a semiconductor relative to the total weight of the porous monolith, which process comprises the following steps: a) a first aqueous suspension containing polymer particles is prepared; b) a second aqueous suspension containing particles of least one inorganic semiconductor is prepared; c) the two aqueous suspensions prepared in steps a) and b) are mixed in order to obtain a paste; d) a heat treatment of the paste obtained in step c) is carried out in order to obtain the monolith with multimodal porosity.Type: ApplicationFiled: April 23, 2018Publication date: April 8, 2021Applicant: IFP Energies NouvellesInventors: Sophie BERNADET, Antoine FECANT, Denis UZIO, Renal-Vasco BACKOV, Serge RAVAINE
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Patent number: 10695753Abstract: 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: GrantFiled: October 6, 2015Date of Patent: June 30, 2020Assignees: Centre National de la Recherche Scientifique, Universite Claude Bernard-Lyon 1, IFP Energies NouvellesInventors: Dina Lofficial, Antoine Fecant, Denis Uzio, Eric Puzenat, Christophe Geantet
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Patent number: 10682630Abstract: 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: GrantFiled: October 6, 2015Date of Patent: June 16, 2020Assignees: IFP ENERGIES NOUVELLES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD—LYON 1Inventors: Dina Lofficial, Antoine Fecant, Denis Uzio, Eric Puzenat, Christophe Geantet
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Publication number: 20200148611Abstract: The invention relates to a selective hydrogenolysis method for treating a feed rich in aromatic compounds having more than 8 carbon atoms, comprising transforming at least one alkyl group with at least two carbon atoms (ethyl, propyl, butyl, isopropyl, etc.) attached to a benzene ring into at least one methyl group. The invention also relates to the integration of the hydrogenolysis unit into an aromatic complex.Type: ApplicationFiled: July 16, 2018Publication date: May 14, 2020Applicant: IFP Energies NouvellesInventors: Alexandre PAGOT, Denis UZIO, Jean-Francois JOLY, Anne-Claire DUBREUIL
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Publication number: 20190105648Abstract: The invention concerns a catalyst comprising a support based on alumina or silica or silica-alumina, at least one element selected from group VIII and/or group VIB, and at least one catecholamine. The invention also concerns the process for the preparation of said catalyst and its use in a hydrotreatment and/or hydrocracking process.Type: ApplicationFiled: March 1, 2017Publication date: April 11, 2019Applicant: IFP Energies nouvellesInventors: Dorothee LAURENTI, Rajesh MUNIRATHINAM, Gerhard PIRNGRUBER, Denis UZIO
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Patent number: 9993807Abstract: 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: GrantFiled: June 19, 2013Date of Patent: June 12, 2018Assignees: CNRS, IFP Energies nouvellesInventors: Antoine Fecant, Denis Uzio, Dina Lofficial, Eric Puzenat, Elodie Blanco, Pavel Afanasiev, Gilles Berhault
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Publication number: 20170239647Abstract: 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: ApplicationFiled: October 6, 2015Publication date: August 24, 2017Applicants: Centre National de la Recherche Scientifique, Universite Claude Bernard - Lyon 1, IFP Energies NouvellesInventors: Dina LOFFICIAL, Antoine FECANT, Denis UZIO, Eric PUZENAT, Christophe GEANTET
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Publication number: 20170216823Abstract: 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: ApplicationFiled: October 6, 2015Publication date: August 3, 2017Applicants: IFP ENERGIES NOUVELLES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD - LYON 1Inventors: Dina LOFFICIAL, Antoine FECANT, Denis UZIO, Eric PUZENAT, Christophe GEANTET
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Publication number: 20150158017Abstract: 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: ApplicationFiled: June 19, 2013Publication date: June 11, 2015Applicants: CNRS, IFP Energies nouvellesInventors: Antoine Fecant, Denis Uzio, Dina Lofficial, Eric Puzenat, Elodie Blanco, Pavel Afanasiev, Gilles Berhault
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Patent number: 8652321Abstract: Production of gasolines with low sulfur contents from a starting gasoline containing sulfur-containing compounds comprising a stage a) for selective hydrogenation of non-aromatic polyunsaturated compounds present in the starting gasoline, a stage b) for increasing the molecular weight of the light sulfur-containing products that are initially present in the gasoline that enters this stage, a stage c) for alkylation of at least a portion of the sulfur-containing compounds present in the product that originates from stage b), a stage d) for fractionation of the gasoline that originates from stage c) into at least two fractions, one fraction virtually lacking in sulfur-containing compounds, whereby the other contains a larger proportion of sulfur-containing compounds (heavy gasoline), a stage e) for catalytic treatment of the heavy gasoline for transformation of sulfur-containing compounds under conditions for the at least partial decomposition of hydrogenation of these sulfur-containing compounds.Type: GrantFiled: June 1, 2010Date of Patent: February 18, 2014Assignee: IFP Energies nouvellesInventors: Quentin Debuisschert, Denis Uzio, Jean-Luc Nocca, Florent Picard
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Publication number: 20140005031Abstract: Inorganic material having at least two elementary spherical particles, each of said spherical metallic particles: a polyoxometallate with formula (XxMmOyHh)q?, where H is hydrogen, O is oxygen, X is phosphorus, silicon, boron, nickel or cobalt and M is one or more vanadium, niobium, tantalum, molybdenum, tungsten, iron, copper, zinc, cobalt and nickel, x is 0, 1, 2 or 4, m is 5, 6, 7, 8, 9, 10, 11, 12 or 18, y is 17 to 72, h is 0 to 12 and q is 1 to 20.Type: ApplicationFiled: December 15, 2011Publication date: January 2, 2014Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, IFP ENERGIES NOUVELLES, UNIVERSITE PIERRE ET MARIE CURIEInventors: Alexandra Chaumonnot, Clement Sanchez, Cedric Boissiere, Frederic Colbeau-Justin, Karin Marchand, Elodie Devers, Audrey Bonduelle, Denis Uzio, Antoine Daudin, Bertrand Guichard, Denis Uzio, Antoine Daudin
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Patent number: 8178735Abstract: A process for the treatment of an olefinic fraction, using a catalyst prepared by a process comprising: a) The preparation of a colloidal oxide suspension of a first metal M1 by the neutralization of a basic solution by an acidic mineral solution that contains the precursor of the metal M1, b) Bringing into contact the precursor of the promoter M2, either directly in its crystallized form or after dissolution in aqueous phase, with the colloidal suspension that is obtained in stage a), c) Bringing into contact the colloidal suspension that is obtained in stage b) with the substrate, d) Drying at a temperature of between 30° C. and 200° C., under a flow of air.Type: GrantFiled: April 25, 2011Date of Patent: May 15, 2012Assignee: IFP Energies nouvellesInventors: Vincent Coupard, Denis Uzio, Carine Petit-Clair, Lars Fischer, Frederic Portejole