Patents by Inventor Christophe Geantet
Christophe Geantet 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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Publication number: 20230391719Abstract: The invention concerns a preparation of a compound of formula I, [Chem 1] CH3XCH2CH2C(NH2)COOH??(I) where X represents S or Se, by catalytic conversion of a compound of formula II [Chem 2] CH3XCH2CH2C(Y)CN??(II) where X represents S or Se and Y represents NH2 or OH, when Y represents NH2, the conversion being carried out in the presence of water and of at least one catalyst comprising at least alumina, titanium dioxide or a mixture thereof, and when Y represents OH, the conversion being carried out in the presence of water, of at least one catalyst comprising at least alumina, titanium dioxide, zirconia or a mixture thereof, and NH3 or an ammonium salt.Type: ApplicationFiled: October 20, 2021Publication date: December 7, 2023Inventors: Félix TAULOU, Didier MORVAN, Virginie BELLIERE-BACA, Christophe GEANTET
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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: 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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Patent number: 9623363Abstract: A process for capturing sulphur impurities present in gas feeds containing H2 and/or CO: a. desulphurization with a retaining material containing an active phase, b. optionally, rendering the sulphurized retaining material inert, c. oxidative regeneration of the retaining material, d. optionally, rendering the regenerated retaining material inert, and e. desulphurization with the retaining material that has been regenerated and rendered inert, and regenerating the retaining material.Type: GrantFiled: November 9, 2012Date of Patent: April 18, 2017Assignees: IFP Energies nouvelles, Centre National de la Recherche ScientifiqueInventors: Vincent Girard, Delphine Bazer-Bachi, David Chiche, Arnaud Baudot, Christophe Geantet
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Patent number: 8373002Abstract: Organic compounds containing at least one site of ethylenic unsaturation are catalytically hydrocyanated and the medium of hydrocyanation is separated into desired linear organic compounds containing at least one nitrile function, e.g., 3-pentenenitrile, and undesired nitrile by-products, e.g., methylglutaronitrile, and the undesired nitrile by-products are hydrodenitrogenated into ammonia and at least one hydrocarbon compound under an absolute hydrogen pressure ranging from 0.1 to 10 MPa at a temperature ranging from 200° to 500° C. and in the presence of a hydrodenitrogenation catalyst.Type: GrantFiled: January 12, 2009Date of Patent: February 12, 2013Assignees: Rhodia Operations, Centre National de la Recherche ScientifiqueInventors: Philippe Marion, Amélie Hynaux, Dorothée Laurenti, Christophe Geantet
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Publication number: 20110112202Abstract: Hydrocarbon compounds containing at least one nitrile or amine functional group, e.g., methylglutaronitrile or ortho-toluenediamine, are converted, via hydrodenitrogenation, into ammonia, hydrogen, carbon monoxide and hydrocarbon compounds, notably into hydrocarbon compounds having a low number of carbon atoms, such as methane, or into ammonia.Type: ApplicationFiled: January 9, 2009Publication date: May 12, 2011Applicants: RHODIA OPERATIONS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Philippe Marion, Amélie Hynaux, Dorothée Laurenti, Christophe Geantet
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Publication number: 20110082310Abstract: Organic compounds containing at least one site of ethylenic unsaturation are catalytically hydrocyanated and the medium of hydrocyanation is separated into desired linear organic compounds containing at least one nitrile function, e.g., 3-pentenenitrile, and undesired nitrile by-products, e.g., methylglutaronitrile, and the undesired nitrile by-products are hydrodenitrogenated into ammonia and at least one hydrocarbon compound under an absolute hydrogen pressure ranging from 0.1 to 10 MPa at a temperature ranging from 200° to 500° C. and in the presence of a hydrodenitrogenation catalyst.Type: ApplicationFiled: January 12, 2009Publication date: April 7, 2011Applicants: RHODIA OPERATIONS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Philippe Marion, Amélie Hynaux, Dorothée Laurenti, Christophe Geantet
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Publication number: 20100089799Abstract: The invention relates to a process for desulfurization of a non-oxidized hydrocarbon feedstock, comprising organic sulfur compounds, by adsorption, especially chemisorption of sulfur on a composition in bulk form consisting essentially of 70% by weight of zinc ferrite and optionally iron oxides or zinc oxides. The process is performed in the presence of hydrogen at a temperature of between 200° C. and 450° C.Type: ApplicationFiled: October 9, 2009Publication date: April 15, 2010Applicant: IFPInventors: Celine BABE, Arnaud Baudot, Delphine Bazer-Bachi, Carole Bobin, Christophe Geantet, Thierry Huard, Anthony Tanguy
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Publication number: 20050115872Abstract: The present invention relates to a catalyst for the hydrorefining and/or hydroconversion of hydrocarbon charges the active phase of which comprises at least one molybdenum and tungsten sulphide solid solution within the same flake, of approximate general formula MoxW1-xSy, where x is a number strictly comprised between 0 and 1 and y is a number comprised between 1.4 and 2.6 and preferably at least one element of Group VIII.Type: ApplicationFiled: September 20, 2004Publication date: June 2, 2005Inventors: Cecile Thomazeau, Virginie Harle, Tivador Cseri, Michel Lacroix, Michel Danot, Christophe Geantet
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Patent number: 6559092Abstract: The present invention concerns a process for sulphurising a hydrocarbon hydrotreatment catalyst in the presence of hydrogen and at least one sulphur-containing compound. The process is characterized in that the catalyst comprises a carbon-containing compound the major portion of which is not leachable deposited in its pores. The invention is of particular application to sulphurization carried out off-site.Type: GrantFiled: August 17, 2000Date of Patent: May 6, 2003Assignee: Europeenne de Retraitement de Catalyseurs EurecatInventors: Pierre Dufresne, Franck Labruyere, Michel Lacroix, Christophe Geantet, Cecile Glasson
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Patent number: 6071402Abstract: The present invention concerns a hydrorefining and/or hydrocracking catalyst for hydrocarbon feeds, comprising at least one mixed sulphide comprising sulphur, at least one group VB element, preferably niobium, and at least one group VIB element, preferably molybdenum or tungsten, more preferably molybdenum, optionally combined with a support and/or at least one group VIIA metal and/or at least one group VIII metal and/or an element selected from the group formed by S, P, B, Si.Type: GrantFiled: December 29, 1997Date of Patent: June 6, 2000Assignee: Institut Francais du PetroleInventors: Michel Danot, Nabil Allali, Valerie Gaborit, Christophe Geantet, Pavel Afanassiev, Samuel Mignard, Slavik Kasztelan
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Patent number: 5472924Abstract: Catalyst comprising at least one zirconium oxide, characterized in that it consists, for at least 85% of its weight, of a thermally stable support with a specific surface greater than or equal to 150 m.sup.2 /g containing from 60 to 99 weight % of at least one zirconium oxide and from 40 to 1 weight % of at least one metal oxide of at least one metal chosen from the group consisting of metals from Groups V, VI and VII, noble metals such as ruthenium, osmium, rhodium, iridium and uranium, and the elements phosphorus, arsenic and sulphur, the support being obtained by the molten salts technique by introduction of a mixture of salts into a eutectic mixture of alkali metal nitrates or sulphates which, after dehydration, is maintained between 250.degree. and 550.degree. C., from 30 minutes to 5 hours.Type: GrantFiled: August 30, 1994Date of Patent: December 5, 1995Assignee: Elf Aquitaine ProductionInventors: Pavel Afanasiev, Martine Boulinguiez, Michele Breysse, Christophe Geantet, Thierry des Courieres
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Patent number: 5294333Abstract: Catalyst for hydrorefining hydrocarbon feedstocks including niobium trisulphide, said catalyst is particularly suited for the scission of carbon-nitrogen and carbon-sulphur bonds.Type: GrantFiled: May 14, 1992Date of Patent: March 15, 1994Assignee: Elf FranceInventors: Michele Breysse, Thierry Des Courieres, Michel Danot, Christophe Geantet, Jean-Louis Portefaix
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Patent number: 5157009Abstract: Catalyst for hydrorefining hydrocarbon feedstocks consisting of niobium trisulphide, bulk or deposited on an inert support.This catalyst is particularly efficient for the reactions of scission of carbon-nitrogen and carbon-sulphur bonds.Type: GrantFiled: April 18, 1991Date of Patent: October 20, 1992Assignee: Elf FranceInventors: Michele Breysse, Thierry Des Courieres, Michel Danot, Christophe Geantet, Jean-Louis Portefaix