Patents by Inventor Jean-Luc Couturier

Jean-Luc Couturier 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).

  • Publication number: 20210221685
    Abstract: A composition containing: at least 99.75% by weight of bis(fluorosulfonyl)imide lithium salt; and acetic acid in a content by mass greater than 0 and less than or equal to 400 ppm. A process for preparing the composition, including a) step of preconcentrating a composition C1 including an organic solvent OS1, water and bis(fluorosulfonyl)imide salt, to give a composition C2 including: the lithium salt of bis(fluorosulfonyl)imide in a content ranging from 35% to 50% relative to the total weight of composition C2; water in a mass content of less than or equal to 500 ppm relative to the total mass of composition C2; said preconcentration step being performed at a temperature of less than or equal to 50° C.; b) a step of concentrating composition C2; c) an optional step of crystallizing the composition obtained in step b).
    Type: Application
    Filed: May 28, 2019
    Publication date: July 22, 2021
    Applicant: Arkema France
    Inventors: Grégory SCHMIDT, Rémy TEISSIER, Jean-Luc COUTURIER
  • Publication number: 20200315161
    Abstract: The invention relates to a mixture of polyoxymethylene dialkyl ethers (POM) having a specific molecular distribution of n as well as its preparation method. The invention also relates to a composition comprising: a) a mixture of polyoxymethylene dialkyl ethers (POM) having a restricted specific molecular distribution b) at least one biocidal agent c) at least one pro-penetrating agent d) at least one dye e) optionally, another additive and water as diluent, It also relates to a non-therapeutic method of preserving and/or embalming a dead human or animal body using the composition, such as the use of this composition for anatomopathological purposes.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 8, 2020
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER, Didier BELLUARD, Christian HAROUX
  • Publication number: 20200305414
    Abstract: The invention relates to a composition comprising: a) a mixture of polyoxymethylene dialkyl ethers (POM) having a restricted specific molecular distribution b) at least one biocidal agent c) at least one pro-penetrating agent d) at least one dye e) optionally, another additive and water as diluent. It also relates to a non-therapeutic method of preserving and/or embalming a dead human or animal body using the composition, such as the use of this composition for anatomopathological purposes.
    Type: Application
    Filed: April 17, 2019
    Publication date: October 1, 2020
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER, Didier BELLUARD, Christian HAROUX
  • Patent number: 10683258
    Abstract: The present invention relates to a composition which comprises at least one ?,?-amino-alkanoic acid or ester and at least one alkanoic ester or acid, characterised in that: the ?,?-amino-alkanoic acid or ester has formula H2N—(CH2)n-COOR, wherein n=9 to 13 and R is an alkyl group or a hydrogen; the alkanoic ester or acid has formula R1—COOR2, wherein R1 is a straight or branched alkyl group with formula CmH2m+1 or CmH2m?3, wherein m=6 to 20 and R2 is an alkyl group or a hydrogen; the molar ratio between the alkanoic acid(s) or ester(s) and the ?,?-amino-alkanoic acid(s) or ester(s) is in the range from 0.001 to 0.4%. The present invention also relates to novel methods for obtaining such a composition.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: June 16, 2020
    Assignee: ARKEMA FRANCE
    Inventors: Thierry Briffaud, Jean-Luc Couturier, Jean-Luc Dubois, Jean-François Devaux
  • Publication number: 20190315695
    Abstract: The invention relates to a compound of formula (I), wherein: A1 and A2 represent, independently of one another, a binding group comprising at least one nitrogen atom; Q1 and Q2 represent, independently of one another, a linkage group; and x is an integer between 2 and 6, preferably between 3 and 6. The invention also relates to a rubber composition comprising said compound.
    Type: Application
    Filed: October 11, 2017
    Publication date: October 17, 2019
    Applicant: Arkema France
    Inventors: Jean-Luc COUTURIER, Jean-Francois DEVAUX, Manuel HIDALGO
  • Publication number: 20190309097
    Abstract: The invention relates to a compound of formula (I), wherein: A represents a binding group comprising at least one nitrogen atom; Q1 and Q2 represent, independently of one another, a linkage group; x is an integer between 2 and 6; and Z represents the group of formula (I), wherein each R? represents, independently, an alkyl group having between 1 and 4 carbon atoms. The invention also relates to a rubber composition comprising said compound.
    Type: Application
    Filed: October 11, 2017
    Publication date: October 10, 2019
    Applicant: Arkema France
    Inventors: Jean-Luc COUTURIER, Jean-Francois DEVAUX, Manuel HIDALGO
  • Patent number: 10125221
    Abstract: A process for synthesizing an ?-amino acid compound of formula HOOC—(CH2)r+2—CH2NH2, wherein 4?r?13 from a monounsaturated fatty nitrile compound of formula CH2?CH—(CH2)r—CN the process comprising: 1) a step of hydroformylation of the mono unsaturated fatty nitrile compound by reacting said nitrile with carbon monoxide and di hydrogen 5e-a5 to obtain a nitrile aldehyde compound of formula HOC—(CH2)r+2-CN, then 2) a step of oxidation, in the presence of dioxygen, of the nitrile aldehyde compound to obtain a corresponding nitrile acid compound of formula HOOC—(CH2)r+2-CN, and 3) a step of reduction of the nitrile acid compound to give an w-amino acid of formula HOOC—(CH2)r+2—CH2NH2.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: November 13, 2018
    Assignee: ARKEMA FRANCE
    Inventors: Jean-Luc Dubois, Jean-Luc Couturier, Jean-François Carpentier, Jérémy Ternel
  • Publication number: 20180282259
    Abstract: The present invention relates to a composition which comprises at least one ?,?-amino-alkanoic acid or ester and at least one alkanoic ester or acid, characterised in that: the ?,?-amino-alkanoic acid or ester has formula H2N-(CH2)n—COOR, wherein n=9 to 13 and R is an alkyl group or a hydrogen; the alkanoic ester or acid has formula R1-COOR2, wherein R1 is a straight or branched alkyl group with formula CmH2m+1 or CmH2m?3, wherein m=6 to 20 and R2 is an alkyl group or a hydrogen; the molar ratio between the alkanoic acid(s) or ester(s) and the ?,?-amino-alkanoic acid(s) or ester(s) is in the range from 0.001 to 0.4%. The present invention also relates to novel methods for obtaining such a composition.
    Type: Application
    Filed: September 28, 2016
    Publication date: October 4, 2018
    Applicant: ARKEMA FRANCE
    Inventors: Thierry BRIFFAUD, Jean-Luc COUTURIER, Jean-Luc DUBOIS, Jean-François DEVAUX
  • Patent number: 9790168
    Abstract: A method of synthesising an amino acid from an unsaturated fatty compound I that includes at least the following steps: cross-metathesis with a short unsaturated compound II, one of compounds I or II comprising a nitrile function and the other of these compounds II or I an ester function, so as to obtain and recover at least one monounsaturated nitrile ester NEU; hydrolysis of the NEU in unsaturated acid nitrile NAU; hydrogenation of the NAU to saturated amino acid AA; and then purification of the AA, if applicable, in particular by crystallisation. Also, a polymer obtained by polymerisation using the amino acid synthesised according to the method.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: October 17, 2017
    Assignee: ARKEMA FRANCE
    Inventors: Jean-Luc Dubois, Jean-Luc Couturier
  • Patent number: 9567293
    Abstract: A method for the combined synthesis of a mono-unsaturated nitrile-ester(acid) and of a bi-functional carbonyl compound, wherein it includes a step including the cross metathesis mc1 of an unsaturated fatty acid/ester compound with an unsaturated nitrile compound, in which mc1 is performed with partial conversion such as to obtain and recover, separately, at least the following products: a mono-unsaturated nitrile-ester/acid and a symmetrical compound, diester or diacid respectively including a double bond located in the middle of the molecular chain of compound, and subsequently a step including the oxidation cleavage cp2 of the double bond of compound, such as to form a single type of carbonyl compound having formula R2-(CH2)n-COR?, in which R? is H or OH, depending on the operating conditions selected for the oxidation cleavage cp2. Also, the production of monomers for the polymer industry.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: February 14, 2017
    Assignee: ARKEMA FRANCE
    Inventors: Jean-Luc Dubois, Jean-Luc Couturier, Markus Brandhorst
  • Patent number: 9512051
    Abstract: A process for the synthesis of an unsaturated product by cross metathesis between a first unsaturated compound having at least 8 carbon atoms and a second unsaturated compound having less than 8 carbon atoms, the first unsaturated compound being capable of producing an unsaturated coproduct comprising more than 14 carbon atoms, by homometathesis, said process including at least one production phase which includes: feeding a reactor with the first unsaturated compound; feeding the reactor with the second unsaturated compound; feeding the reactor with at least a first metathesis catalysts, then feeding the reactor with at least a second metathesis catalyst; withdrawing a product stream arising from the reactor; the turnover number of the first catalyst being higher than the turnover number of the second catalyst so as to achieve the same target degree of conversion of the first unsaturated compound.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: December 6, 2016
    Assignee: ARKEMA FRANCE
    Inventors: Jean-Luc Dubois, Jean-Luc Couturier
  • Patent number: 9382189
    Abstract: The invention relates to a method for the synthesis of a branched unsaturated fatty compound, said method comprising the metathesis, in the presence of a metathesis catalyst, of a linear unsaturated fatty compound and a branched olefin. The branched unsaturated fatty compound is used in particular for the production of at least one of the following products: dielectric fluids, specialty surfactants, emulsifiers, frictions agents, antistatic additives, antifogging additives, mould release agents, pigment dispersants, high-performance lubricants, waxes and wax emulsifiers, polymer conversion additives, PVC stabilizing agents, inks, resins, paints, varnishes, solvents, lipsticks, creams for the skin, deodorants, particularly stick deodorants, hair dyes, shampoos and other liquid soaps, shaving foam, laundry detergents, cleaning agents, fabric softeners, and mixtures of same.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: July 5, 2016
    Assignee: Arkema France
    Inventors: Jean-Luc Dubois, Jean-Luc Couturier
  • Publication number: 20160115120
    Abstract: A method to synthesize a fatty nitrile/ester aldehyde comprising the following steps: 1) hydroformylation of a ?-unsaturated fatty nitrile/ester/acid substrate under particular conditions of partial pressure, temperature, reaction time, conversion rate of the ?-unsaturated fatty nitrile/ester/acid reactant, catalyst, [substrate]/[metal] molar ratio and [ligand]/[metal] molar ratio so as after the reaction to obtain: a hydroformylation product comprising at least one fatty nitrile/ester/acid aldehyde of formula: OHC—(CH2)r+2—R, and an isomerate comprising at least one fatty nitrile/ester/acid isomer with internal unsaturation in which at least 80% of the internal isomer(s) of the isomerate are formed of the ?-1 unsaturated isomer of formula CH3—CH?CH—(CH2)r?1—R; followed by: 2) separation and recovery of the fatty nitrile/ester/acid aldehyde and of the isomerate.
    Type: Application
    Filed: June 6, 2014
    Publication date: April 28, 2016
    Inventors: Jean-Luc Dubois, Jean-Luc Couturier, Jeremy Ternel, Jean-Francois Carpentier
  • Publication number: 20160016894
    Abstract: A method for the combined synthesis of a mono-unsaturated nitrile-ester(acid) and of a bi-functional carbonyl compound, wherein it includes a step including the cross metathesis mc1 of an unsaturated fatty acid/ester compound with an unsaturated nitrile compound, in which mc1 is performed with partial conversion such as to obtain and recover, separately, at least the following products: a mono-unsaturated nitrile-ester/acid and a symmetrical compound, diester or diacid respectively including a double bond located in the middle of the molecular chain of compound, and subsequently a step including the oxidation cleavage cp2 of the double bond of compound, such as to form a single type of carbonyl compound having formula R2-(CH2)n-COR?, in which R? is H or OH, depending on the operating conditions selected for the oxidation cleavage cp2. Also, the production of monomers for the polymer industry.
    Type: Application
    Filed: February 10, 2014
    Publication date: January 21, 2016
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER, Markus BRANDHORST
  • Publication number: 20160002147
    Abstract: A method of synthesising an amino acid from an unsaturated fatty compound I that includes at least the following steps: cross-metathesis with a short unsaturated compound II, one of compounds I or II comprising a nitrile function and the other of these compounds II or I an ester function, so as to obtain and recover at least one monounsaturated nitrile ester NEU; hydrolysis of the NEU in unsaturated acid nitrile NAU; hydrogenation of the NAU to saturated amino acid AA; and then purification of the AA, if applicable, in particular by crystallisation. Also, a polymer obtained by polymerisation using the amino acid synthesised according to the method.
    Type: Application
    Filed: February 10, 2014
    Publication date: January 7, 2016
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER
  • Publication number: 20160002151
    Abstract: A process for the metathesis of two ?-olefin compounds, wherein it comprises the use of at least one membrane for extracting ethylene from the reaction medium, said membrane being permeable to gases and impermeable to liquids. A process for the metathesis of two ?-olefin compounds, carried out in a reaction device including two zones separated by said at least one membrane: a first zone, fed with reactants and catalyst, in which the liquid-phase metathesis reaction is initiated and the liquid reaction medium is circulated in contact with the wall constituted by the membrane, and a second zone, fed with a gaseous stream that is inert with respect to the membrane and the constituents of the reaction medium of the first zone.
    Type: Application
    Filed: March 18, 2014
    Publication date: January 7, 2016
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER
  • Publication number: 20150376108
    Abstract: The invention relates to a method for the synthesis of a branched unsaturated fatty compound, said method comprising the metathesis, in the presence of a metathesis catalyst, of a linear unsaturated fatty compound and a branched olefin. The branched unsaturated fatty compound is used in particular for the production of at least one of the following products: dielectric fluids, specialty surfactants, emulsifiers, frictions agents, antistatic additives, antifogging additives, mould release agents, pigment dispersants, high-performance lubricants, waxes and wax emulsifiers, polymer conversion additives, PVC stabilising agents, inks, resins, paints, varnishes, solvents, lipsticks, creams for the skin, deodorants, particularly stick deodorants, hair dyes, shampoos and other liquid soaps, shaving foam, laundry detergents, cleaning agents, fabric softeners, and mixtures of same.
    Type: Application
    Filed: February 10, 2014
    Publication date: December 31, 2015
    Applicant: Arkema France
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER
  • Patent number: 9221745
    Abstract: A process for synthesizing a long-chain saturated ?,?-amino ester (acid) including from 6 to 17 carbon atoms, said process including a first step of cross metathesis between a first acrylic compound chosen from acrylonitrile, acrylic acid or an acrylic ester and a second monounsaturated compound including at least one nitrile, acid or ester trivalent function, one of these compounds including a nitrile function and the other an acid or ester function, in the presence of a ruthenium carbene metathesis catalyst, and a second step of hydrogenation of the monounsaturated nitrile-ester (acid) obtained, wherein said monounsaturated compound including at least one nitrile, acid or ester trivalent function has previously been subjected to a purification by thermal and/or chemical treatment.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: December 29, 2015
    Assignee: ARKEMA FRANCE
    Inventors: Jean-Luc Couturier, Jean-Luc Dubois
  • Publication number: 20150353479
    Abstract: A process for the synthesis of an unsaturated product by cross metathesis between a first unsaturated compound having at least 8 carbon atoms and a second unsaturated compound having less than 8 carbon atoms, including: feeding a reactor with the first unsaturated compound, the second unsaturated compound and a metathesis catalyst; withdrawing an output stream, at the output of the reactor; separating the output stream, making it possible to recover at least: on the one hand, the unsaturated product and, on the other hand, the first unsaturated compound and the second unsaturated compound; recycling the first unsaturated compound and the second unsaturated compound to the reactor; in which the first unsaturated compound is capable of producing an unsaturated coproduct, including at least 14 carbon atoms, by homometathesis; and in which the flow rates for feeding the reactor with first unsaturated compound and with second unsaturated compound are adjusted.
    Type: Application
    Filed: January 7, 2014
    Publication date: December 10, 2015
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER
  • Publication number: 20150344416
    Abstract: A process for the synthesis of an unsaturated product by cross metathesis between a first unsaturated compound having at least 8 carbon atoms and a second unsaturated compound having less than 8 carbon atoms, the first unsaturated compound being capable of producing an unsaturated coproduct comprising more than 14 carbon atoms, by homometathesis, said process including at least one production phase which includes: feeding a reactor with the first unsaturated compound; feeding the reactor with the second unsaturated compound; feeding the reactor with at least a first metathesis catalysts, then feeding the reactor with at least a second metathesis catalyst; withdrawing a product stream arising from the reactor; the turnover number of the first catalyst being higher than the turnover number of the second catalyst so as to achieve the same target degree of conversion of the first unsaturated compound.
    Type: Application
    Filed: January 7, 2014
    Publication date: December 3, 2015
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Luc DUBOIS, Jean-Luc COUTURIER