Patents by Inventor Pascal Raybaud

Pascal Raybaud 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: 9839903
    Abstract: The invention concerns a process for the preparation of a catalyst for carrying out hydrogenation reactions in hydrotreatment and hydrocracking processes. Said catalyst is prepared from at least one mononuclear precursor based on molybdenum (Mo), in its monomeric or dimeric form, having at least one Mo?O or Mo—OR bond or at least one Mo?S or Mo—SR bond where [R=CxHy where x?1 and (x?1)?y?(2x+1) or R=Si(OR?)3 or R=Si(R?)3 where R?=Cx?Hy? where x??1 and (x??1)?y??(2x?+1)], and optionally from at least one promoter element from group VIII. Said precursors are deposited onto an oxide support which is suitable for the process in which it is used, said catalyst being dried at a temperature of less than 200° C. then advantageously being sulphurized before being deployed in said process.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: December 12, 2017
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Thibault Alphazan, Audrey Bonduelle, Christele Legens, Pascal Raybaud, Christophe Coperet
  • Patent number: 9796935
    Abstract: The invention concerns a method for selectively hydrogenating a hydrocarbon charge containing at least two carbon atoms per molecule, having a final boiling point which is less than or equal to 250° C., and comprising at least one polyunsaturated compound, wherein the charge, in the presence of hydrogen, is brought into contact with at least one catalyst comprising a carrier and an active metal phase deposited on the carrier, the active metal phase comprising iron and at least one metal selected from zinc and copper in a molar ratio of Fe:(Zn and/or Cu) of between 0.35 and 0.99.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: October 24, 2017
    Assignee: IFP Energies Nouvelles
    Inventors: Fabien Corvaisier, Antoine Fecant, Cecile Thomazeau, Pascal Raybaud, Yves Schuurman, David Farrusseng
  • Patent number: 9783745
    Abstract: The invention relates to a method for selective hydrogenation of a hydrocarbon feedstock that contains at least 2 carbon atoms per molecule and that has a final boiling point that is less than or equal to 250° C. and that comprises at least one polyunsaturated compound, in which in the presence of hydrogen, said feedstock is brought into contact with at least one catalyst that comprises a substrate and an active metal phase deposited on said substrate; said active metal phase comprises copper and at least one metal that is selected from between nickel and cobalt in a molar ratio of Cu:(Ni and/or Co) of greater than 1.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: October 10, 2017
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Fabien Corvaisier, Antoine Fecant, Cecile Thomazeau, Pascal Raybaud, Yves Schuurman, David Farrusseng
  • Patent number: 9579642
    Abstract: The invention concerns a process for the preparation of a catalyst based on tungsten intended for hydrotreatment or hydrocracking processes. The invention concerns a process for the preparation of a catalyst for carrying out hydrogenation reactions in hydrotreatment and hydrocracking processes. Said catalyst is prepared from at least one mononuclear precursor compound based on tungsten (W), in its monomeric or dimeric form, having at least one W?O or W—OR bond or at least one W?S or W—SR bond where [R?CxHy where x?1 and (x?1)?y?(2x+1) or R?Si(OR?)3 or R?Si(R?)3 where R??Cx?Hy? where x??1 and (x??1)?y??(2x?+1)], optionally at least one Mo precursor and optionally at least one promoter element from group VIII. Said precursors are deposited onto an oxide support which is suitable for the process in which it is used, said catalyst advantageously being sulphurized before being deployed in said process.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: February 28, 2017
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Thibault Alphazan, Audrey Bonduelle, Christele Legens, Pascal Raybaud, Christophe Coperet
  • Publication number: 20160264881
    Abstract: The invention concerns a method for selectively hydrogenating a hydrocarbon charge containing at least two carbon atoms per molecule, having a final boiling point which is less than or equal to 250° C., and comprising at least one polyunsaturated compound, wherein the charge, in the presence of hydrogen, is brought into contact with at least one catalyst comprising a carrier and an active metal phase deposited on the carrier, the active metal phase comprising iron and at least one metal selected from zinc and copper in a molar ratio of Fe:(Zn and/or Cu) of between 0.35 and 0.99.
    Type: Application
    Filed: September 19, 2014
    Publication date: September 15, 2016
    Applicant: IFP Energies nouvelles
    Inventors: Fabien CORVAISIER, Antoine FECANT, Cecile THOMAZEAU, Pascal RAYBAUD, Yves SCHUURMAN, David FARRUSSENG
  • Publication number: 20160264882
    Abstract: The invention relates to a method for selective hydrogenation of a hydrocarbon feedstock that contains at least 2 carbon atoms per molecule and that has a final boiling point that is less than or equal to 250° C. and that comprises at least one polyunsaturated compound, in which in the presence of hydrogen, said feedstock is brought into contact with at least one catalyst that comprises a substrate and an active metal phase deposited on said substrate; said active metal phase comprises copper and at least one metal that is selected from between nickel and cobalt in a molar ratio of Cu:(Ni and/or Co) of greater than 1.
    Type: Application
    Filed: September 19, 2014
    Publication date: September 15, 2016
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Fabien CORVAISIER, Antoine FECANT, Cecile THOMAZEAU, Pascal RAYBAUD, Yves SCHUURMAN, David FARRUSSENG
  • Patent number: 9101919
    Abstract: The present invention relates to a method of oligomerizing olefins M selectively to oligomers Mn, involving a catalytic system comprising at least one organometallic complex with a metal of groups 4 to 10 of the periodic table of molecular volume Vmo, and a micro- or mesoporous solid whose average micropore diameter ? is greater than or equal to ?min defined as a function of the molecular volume (Vmo+nVmM), where n is the number of monomeric olefins strung together upon obtaining the metallacycle intermediate and VmM the molecular volume of the monomeric olefin.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: August 11, 2015
    Assignee: IFP Energies Nouvelles
    Inventors: Herve Toulhoat, Theodorus De Bruin, Pascal Raybaud
  • Publication number: 20140323779
    Abstract: The invention concerns a process for the preparation of a catalyst based on tungsten intended for hydrotreatment or hydrocracking processes. The invention concerns a process for the preparation of a catalyst for carrying out hydrogenation reactions in hydrotreatment and hydrocracking processes. Said catalyst is prepared from at least one mononuclear precursor compound based on tungsten (W), in its monomeric or dimeric form, having at least one W?O or W—OR bond or at least one W?S or W—SR bond where [R?CxHy where x?1 and (x?1)?y?(2x+1) or R?Si(OR?)3 or R?Si(R?)3 where R??Cx?Hy? where x??1 and (x??1)?y??(2×t+1)], optionally at least one Mo precursor and optionally at least one promoter element from group VIII. Said precursors are deposited onto an oxide support which is suitable for the process in which it is used, said catalyst advantageously being sulphurized before being deployed in said process.
    Type: Application
    Filed: April 30, 2014
    Publication date: October 30, 2014
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Thibault ALPHAZAN, Audrey BONDUELLE, Christele LEGENS, Pascal RAYBAUD, Christophe COPERET
  • Publication number: 20140323780
    Abstract: The invention concerns a process for the preparation of a catalyst for carrying out hydrogenation reactions in hydrotreatment and hydrocracking processes. Said catalyst is prepared from at least one mononuclear precursor based on molybdenum (Mo), in its monomeric or dimeric form, having at least one Mo?O or Mo—OR bond or at least one Mo?S or Mo—SR bond where [R?CxHy where x?1 and (x?1)?y?(2x+1) or R?Si(OR?)3 or R?Si(R?)3 where R??Cx?Hy? where x??1 and (x??1)?y??(2x?+1)], and optionally from at least one promoter element from group VIII. Said precursors are deposited onto an oxide support which is suitable for the process in which it is used, said catalyst being dried at a temperature of less than 200° C. then advantageously being sulphurized before being deployed in said process.
    Type: Application
    Filed: April 28, 2014
    Publication date: October 30, 2014
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Thibault ALPHAZAN, Audrey BONDUELLE, Christele LEGENS, Pascal RAYBAUD, Christophe COPERET
  • Patent number: 8686170
    Abstract: A method of preparing a composition of alcohol esters of linear monocarboxylic acids with 6 to 26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols having 1 to 18 carbon atoms, in the presence of a catalyst of nitrogen-containing metallophosphate type.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: April 1, 2014
    Assignee: IFP Energies Nouvelles
    Inventors: Delphine Bazer-Bachi, Francois Chevire, Vincent Lecocq, Erwan Ray, Pascal Raybaud, Franck Tessier
  • Publication number: 20120004433
    Abstract: A method of preparing a composition of alcohol esters of linear monocarboxylic acids with 6 to 26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols having 1 to 18 carbon atoms, in the presence of a catalyst of nitrogen-containing metallophosphate type.
    Type: Application
    Filed: June 1, 2011
    Publication date: January 5, 2012
    Applicant: IFP Energies nouvelles
    Inventors: Delphine BAZER-BACHI, Francois Chevire, Vincent Lecocq, Erwan Ray, Pascal Raybaud, Franck Tessier
  • Publication number: 20110137100
    Abstract: The present invention relates to a method of oligomerizing olefins M selectively to oligomers Mn, involving a catalytic system comprising at least one organometallic complex with a metal of groups 4 to 10 of the periodic table of molecular volume Vmo, and a micro- or mesoporous solid whose average micropore diameter ? is greater than or equal to ?min defined as a function of the molecular volume (Vmo+nVmM), where n is the number of monomeric olefins strung together upon obtaining the metallacycle intermediate and VmM the molecular volume of the monomeric olefin.
    Type: Application
    Filed: April 29, 2009
    Publication date: June 9, 2011
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Herve Toulhoat, Theodorus De Bruin, Pascal Raybaud
  • Patent number: 7867464
    Abstract: A process for the reversible storage of hydrogen, comprising bringing an alloy of alkaline metal and silicon into contact with gaseous hydrogen leading to the formation of the hydride or corresponding hydrides, comprises the use of at least one balanced system that corresponds to the formula: MXMSi?MXMSiHn ?where M is selected from among Li, Na, or K and in which atomic ratios XM take on the following values: XLi=1 1?XNa?3 1?XK?2 ?n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or formed hydrides. or to the formula MSiXSi?MSiXSiH2XSi+1 ?where M is selected from among Li, Na, or K and in which the atomic ratio XSi=Si/M takes on a value of 1 to 4.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: January 11, 2011
    Assignee: IFP Energies Nouvelles
    Inventors: Pascal Raybaud, François Ropital
  • Publication number: 20090302270
    Abstract: A process for the reversible storage of hydrogen, comprising bringing an alloy of alkaline metal and silicon into contact with gaseous hydrogen leading to the formation of the hydride or corresponding hydrides, comprises the use of at least one balanced system that corresponds to the formula: MXMSiMXMSiHn where M is selected from among Li, Na, or K and in which atomic ratios XM take on the following values: XLi=1 1?XNa?3 1?XK?2 n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or formed hydrides. or to the formula MSiXSiMSiXSiH2XSi+1 where M is selected from among Li, Na, or K and in which the atomic ratio XSi=Si/M takes on a value of 1 to 4.
    Type: Application
    Filed: June 8, 2009
    Publication date: December 10, 2009
    Inventors: Pascal Raybaud, Francois Ropital
  • Patent number: 7608239
    Abstract: A process for the reversible storage of hydrogen, comprising bringing into contact a material that consists of magnesium elements and nitrogen elements with gaseous hydrogen leading to the formation of an amide or corresponding hydrides, comprises the use of a balanced system corresponding to the formula: Mg3N2Mg(NH2)2+2MgHn where n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or hydrides formed. The material can also comprise, in a minor proportion, at least one transition metal of groups 3 to 12 of the periodic table that is selected from among Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Pd.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: October 27, 2009
    Assignee: Institut Francais du Petrole
    Inventors: Pascal Raybaud, François Ropital
  • Patent number: 7547432
    Abstract: A process for the reversible storage of hydrogen, comprising bringing into contact an alloy of magnesium and palladium with the gaseous hydrogen leading to the formation of hydride or corresponding hydrides, comprises the use of a balanced system corresponding to the formula: MgxPdMgxPdHn in which atomic ratio x takes on a value of 3 to 6, and n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or hydrides formed or to the formula: MgxPdMg2PdH4+Mgx-2Hn in which the atomic ratio x takes on a value of 7 to 9, and n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or hydrides formed.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: June 16, 2009
    Assignee: Institut Francais du Petrole
    Inventors: Pascal Raybaud, François Ropital
  • Publication number: 20060191607
    Abstract: A process for the reversible storage of hydrogen, comprising bringing into contact an alloy of magnesium and palladium with the gaseous hydrogen leading to the formation of hydride or corresponding hydrides, comprises the use of a balanced system corresponding to the formula: MgxPdMgxPdHn in which atomic ratio x takes on a value of 3 to 6, and n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or hydrides formed or to the formula: MgxPdMg2PdH4+Mgx-2Hn in which the atomic ratio x takes on a value of 7 to 9, and n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or hydrides formed.
    Type: Application
    Filed: February 6, 2006
    Publication date: August 31, 2006
    Inventors: Pascal Raybaud, Ropital Francois
  • Publication number: 20060193767
    Abstract: A process for the reversible storage of hydrogen, comprising bringing into contact a material that consists of magnesium elements and nitrogen elements with gaseous hydrogen leading to the formation of an amide or corresponding hydrides, comprises the use of a balanced system corresponding to the formula: Mg3N2 <Mg(NH2)2 +2MgHn where n is the number of hydrogen atoms corresponding to the stoichiometry of the hydride or hydrides formed. The material can also comprise, in a minor proportion, at least one transition metal of groups 3 to 12 of the periodic table that is selected from among Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Pd.
    Type: Application
    Filed: February 6, 2006
    Publication date: August 31, 2006
    Inventors: Pascal Raybaud, Francois Ropital
  • Publication number: 20060188425
    Abstract: A process for the reversible storage of hydrogen, comprising bringing an alloy of alkaline metal and silicon into contact with gaseous hydrogen leading to the formation of the hydride or corresponding hydrides, comprises the use of at least one balanced system that corresponds to the formula: MXMSiMXMSiHn where M is selected from among Li, Na, or K and in which atomic ratios XM take on the following values: XLi=1
    Type: Application
    Filed: February 6, 2006
    Publication date: August 24, 2006
    Inventors: Pascal Raybaud, Francois Ropital
  • Patent number: 6149799
    Abstract: The invention concerns a catalyst for hydrorefining and hydroconverting hydrocarbon feeds, comprising a mixed sulphide comprising at least two elements selected from elements with an atomic number selected from the group formed by the following numbers: 3, 11, 12, 19 to 33, 37, to 51, 55 to 83, 87 to 103, characterized in that the mixed sulphide results from a combination of at least one element the sulphide of which has a bond energy between the metal and sulphur of less than 50.+-.3 kcal/mol (209.+-.12 kJ/mol) and at least one element the sulphide of which has a bond energy between the metal and sulphur of more than 50.+-.3 kcal/mol (209.+-.12 kJ/mol), the mixed sulphide thus having a mean bond energy between the metal and sulphur which is in the range 30 to 70 kcal/mol (125 to 293 kJ/mol).
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: November 21, 2000
    Assignee: Institut Francais du Petrole
    Inventors: Pascal Raybaud, Herve Toulhoat, Slavik Kasztelan