Patents by Inventor Nicolas Dufaure
Nicolas Dufaure 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: 20210215278Abstract: A partially annulated flexible tubular structure located at least partially inside the fuel tank, in particular the gasoline or diesel tank, particularly the gasoline tank, of a vehicle, said structure being capable of being at least partially submerged in said tank and being intended for transporting said fuel into said tank, said tubular structure comprising at least one layer (1) comprising a composition comprising: a. between 39% and 100% by weight, in particular between 41% and 100% by weight, of at least one aliphatic polyamide of formula W/Z, b. between 0% and 4% by weight, and preferably between 0 and 2%, of at least one plasticizer, c. between 0% and 20% of at least one impact modifier, d. between 0% and 37% by weight of at least one additive, the sum of a.+b.+c.+d. being equal to 100% of the total weight of the composition, excluding a fuel transport structure running from the tank to the motor of the vehicle.Type: ApplicationFiled: February 19, 2019Publication date: July 15, 2021Inventors: Emilie HACHET, Thibaut MONTANARI, Nicolas DUFAURE
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Patent number: 10914408Abstract: Provided is a method of determining whether a multilayer tubular structure (MLT) satisfies an extractables test by filling the multilayer tubular structure MLT with an alcohol-containing petrol of FAM B type to obtain a filled MLT and measuring the amount of extractable material. The MLT satisfies the extractables test when the residue of the filtrate is less than or equal to 6 g/m2 of the inner surface area of the MLT.Type: GrantFiled: December 13, 2019Date of Patent: February 9, 2021Assignee: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille, Bertrand Verbauwhede, Nicolas Dufaure, Florent Dechamps
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Publication number: 20200365958Abstract: A device for cooling and/or heating a battery of an electric or hybrid motor vehicle, including a battery box provided with: at least one envelope of a composition including between 0 and 80 wt. %, in relation to the total weight of the composition, of reinforcing fibres, between 0 and 20 wt. %, in relation to the total weight, of at least one thermoconductive component, between 0 and 20 wt. %, in relation to the total weight, of at least one impact modifier, and between 0 and 20 wt. %, in relation to the total weight of the composition, of additives, the remainder being a matrix predominantly including at least one polyamide and optionally at least one flameproofing agent; an inlet for a heat-transfer fluid; and an outlet for a heat-transfer fluid, the box defining a battery cooling and/or heating space.Type: ApplicationFiled: November 20, 2018Publication date: November 19, 2020Applicant: Arkema FranceInventors: Wissam RACHED, Nicolas DUFAURE
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Publication number: 20200243820Abstract: The Invention Relates To A Battery Compartment For An Electric Or Hybrid Vehicle, Characterised In That It Consists Of A Composition Comprising: —20 To 80 Wt % Of Reinforcement Fibres Relative To The Total Weight Of The Composition; —0 To 20 Wt % Of At Least One Impact Modifier Relative To The Total Weight Of The Composition; —0 To 20 Wt % Of Additives Relative To The Total Weight Of The Composition; —The Remainder Being A Matrix Comprising: —Mainly At Least One Polyamide And —At Least One Flame Retardant.Type: ApplicationFiled: October 1, 2018Publication date: July 30, 2020Applicant: Arkema FranceInventors: Wissam RACHED, Nicolas DUFAURE
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Publication number: 20200166157Abstract: The present invention relates to a multilayer tubular structure (MLT) intended for the transport of fluids, in particular of petrol, especially alcohol-containing petrol, comprising, from the outside inwards, at least one barrier layer (1) and at least one inner layer (2) located below the barrier layer, said inner layer (2), or all the layers (2) and the other optional layers located below the barrier layer, containing on average from 0 to 1.5% by weight of plasticizer relative to the total weight of the composition of the layer (2) or to the total weight of all the compositions of the layers (2) and the other optional layers located below the barrier layer, respectively, said inner layer (2) predominantly comprising at least one polyamide of aliphatic type or consisting of more than 75% of aliphatic units, said aliphatic polyamide being chosen from: a polyamide denoted A, having a mean number of carbon atoms per nitrogen atom, denoted CA, of from 4 to 8.Type: ApplicationFiled: January 16, 2020Publication date: May 28, 2020Applicant: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille, Bertrand Verbauwhede, Nicolas Dufaure, Florent Dechamps
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Publication number: 20200116280Abstract: Provided is a method of determining whether a multilayer tubular structure (MLT) satisfies an extractables test by filling the multilayer tubular structure MLT with an alcohol-containing petrol of FAM B type to obtain a filled MLT and measuring the amount of extractable material. The MLT satisfies the extractables test when the residue of the filtrate is less than or equal to 6 g/m2 of the inner surface area of the MLT.Type: ApplicationFiled: December 13, 2019Publication date: April 16, 2020Applicant: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille, Bertrand Verbauwhede, Nicolas Dufaure, Florent Dechamps
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Publication number: 20200101689Abstract: A tubular structure for transporting heat transfer fluid including at least: i) a layer (1) in contact with the fluid including at least one thermoplastic polymer P1 that is semicrystalline with Tm1 greater than or equal to 160° C., as determined according to the standard 1 1357-3 (2013) or amorphous with Tgl greater than or equal to 100° C., as determined according to the standard 1 1357-2 (2013), said layer (1) containing no fibers, ii) a layer (2) including at least: (a) a thermoplastic polymer P2 that is semicrystalline, in particular a polyamide with Tm2 greater than or equal to 170° C. or amorphous with Tg2 greater than or equal to 100° C., or a polyolefin with Tm greater than 100° C.; (b) optional continuous fibers, the polymer P2 being identical to P1 or different from P1 in which case the polymers P1 and P2 adhere at least partially to one another.Type: ApplicationFiled: October 4, 2019Publication date: April 2, 2020Inventors: Benoit Brule, Nicolas Dufaure, Estelle Meurice Pierrat
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Patent number: 10471677Abstract: A tubular structure for transporting heat transfer fluid including at least: i) a layer (1) in contact with the fluid including at least one thermoplastic polymer P1 that is semicrystalline with Tm1 greater than or equal to 160° C., as determined according to the standard 1 1357-3 (2013) or amorphous with Tg1 greater than or equal to 100° C., as determined according to the standard 1 1357-2 (2013), said layer (1) containing no fibers, ii) a layer (2) including at least: (a) a thermoplastic polymer P2 that is semicrystalline, in particular a polyamide with Tm2 greater than or equal to 170° C. or amorphous with Tg2 greater than or equal to 100° C., or a polyolefin with Tm greater than 100° C.; (b) continuous fibers, the polymer P2 being identical to P1 or different from P1 in which case the polymers P1 and P2 adhere at least partially to one another.Type: GrantFiled: December 14, 2016Date of Patent: November 12, 2019Assignee: ARKEMA FRANCEInventors: Benoît Brule, Nicolas Dufaure, Estelle Meurice Pierrat
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Patent number: 10400073Abstract: The invention concerns a method for the surface crosslinking of a polymer, in particle form, having one or a plurality of labile hydrogen functions, comprising a step of implementing a crosslinking agent comprising at least two functions likely to react with the labile hydrogen functions of the polymer, the crosslinking method being carried out at a temperature lower than the melting point of the polymer. The invention also concerns a powder particle and the uses of same.Type: GrantFiled: May 16, 2014Date of Patent: September 3, 2019Assignee: Arkema FranceInventors: Geoffroy Cammage, Nicolas Dufaure, Guillaume Le, Cyrille Mathieu
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Publication number: 20190232628Abstract: The invention relates to a structure comprising at least one layer (1) comprising a BACT/XT copolyamide in which: —BACT is a unit with an amide moiety having a molar ratio of between 20 and 70%, preferably between 25 and 60%, and more preferably between 35 and 55%, where BAC is chosen from 1,3-bis (aminomethyl) cyclohexyl (1,3 BAC), 1,4-bis (aminomethyl) cyclohexyl (1,4 BAC) and a mixture of same, and T is terephthalic acid, —XT is a unit with an amide moiety motif having a molar ratio of between 30 and 80%, preferably between 40 and 75%, and more preferably between 45 and 65%, where X is a C9 to C18, preferably C9, C10, C11 and C12, linear aliphatic diamine, and where T is terephthalic acid, preferably a C10, C11 and C12 terephthalic acid.Type: ApplicationFiled: July 10, 2017Publication date: August 1, 2019Inventors: Mathieu CAPELOT, Nicolas DUFAURE, Thierrry BRIFFAUD
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Publication number: 20180370208Abstract: A barrier structure for the storage and/or transport of fluids, including at least one barrier layer (1) including an MPMDT/XT copolyamide in which: MPMDT is a unit with an amide motif having a molar ratio of between 5 and 50%, particularly between 5 and 45%, preferably between 15 and 45%, more preferably between 20 and 45%, where MPMD is 2-methyl pentamethylene diamine (MPMD) and T is terephthalic acid, XT being a unit with a majority amide motif having a molar ratio of between 50 and 95%, particularly between 55 and 95%, preferably between 55 and 85%, more preferably between 55 and 80%, where X is a C9 to C18, preferably C9, C10, C11 and C12, linear aliphatic diamine, and where T is terephthalic acid, the copolyamide having a melting point of 250° C.<Tf?300° C. as determined according to the ISO norm 1 1357-3 (2013).Type: ApplicationFiled: December 15, 2016Publication date: December 27, 2018Applicant: ARKEMA FRANCEInventors: Thierry BRIFFAUD, Mathieu CAPELOT, Nicolas DUFAURE
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Publication number: 20180361699Abstract: A tubular structure for transporting heat transfer fluid including at least: i) a layer (1) in contact with the fluid including at least one thermoplastic polymer P1 that is semicrystalline with Tm1 greater than or equal to 160° C., as determined according to the standard 1 1357-3 (2013) or amorphous with Tg1 greater than or equal to 100° C., as determined according to the standard 1 1357-2 (2013), said layer (1) containing no fibers, ii) a layer (2) including at least: (a) a thermoplastic polymer P2 that is semicrystalline, in particular a polyamide with Tm2 greater than or equal to 170° C. or amorphous with Tg2 greater than or equal to 100° C., or a polyolefin with Tm greater than 100° C.; (b) continuous fibers, the polymer P2 being identical to P1 or different from P1 in which case the polymers P1 and P2 adhere at least partially to one another.Type: ApplicationFiled: December 14, 2016Publication date: December 20, 2018Applicant: ARKEMA FRANCEInventors: Benoît BRULE, Nicolas DUFAURE, Estelle MEURICE PIERRAT
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Publication number: 20180361723Abstract: A barrier structure intended for the storage and/or transport of fluids including at least one barrier layer (1) including an MXDT/XT copolyamide in which: MXDT is an amide unit present in a molar ratio of between 5 and 45%, preferably between 15 and 45%, and more preferably between 20 and 45%, where MXD represents m-xylylenediamine (MXD) and T represents terephthalic acid, XT is a majority amide unit present in a molar ratio of between 55 and 95%, preferably between 55 and 85%, and more preferably between 55 and 80%, where X is a C9 to C18, preferably C9, C10, C11 and C12, linear aliphatic diamine, and where T is terephthalic acid, said copolyamide having a melting point: 250° C.<Tf?300° C. as determined according to standard ISO 1 1357-3 (2013).Type: ApplicationFiled: December 15, 2016Publication date: December 20, 2018Applicant: ARKEMA FRANCEInventors: Thierry BRIFFAUD, Mathieu CAPELOT, Nicolas DUFAURE
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Publication number: 20180080583Abstract: A multilayer tubular structure (MLT) for transport of alcohol-containing petrol. The MLT from the outside inwards has at least one barrier layer and at least one inner layer located below the barrier layer. The inner layer, or all the layers contain on average at most 1.5% of plasticizer relative to the total weight of the composition of each layer or to the total weight of all the compositions of the layers. The inner layer is predominantly made of at least one polyamide having more than 75% aliphatic units. The aliphatic polyamide has a mean number of carbon atoms per nitrogen atom selected from the following: A: from 4 to 8.5; B: from 7 to 10; C: from 9 to 18; with the proviso that when the inner layer comprises at least three polyamides, at least one of the polyamides A, B and C is excluded.Type: ApplicationFiled: January 12, 2017Publication date: March 22, 2018Applicant: Arkema FranceInventors: Thibaut Montanari, Christelle RECOQUILLE, Bertrand VERBAUWHEDE, Nicolas DUFAURE, Florent DECHAMPS
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Publication number: 20160152782Abstract: The invention concerns a method for the surface crosslinking of a polymer, in particle form, having one or a plurality of labile hydrogen functions, comprising a step of implementing a crosslinking agent comprising at least two functions likely to react with the labile hydrogen functions of the polymer, the crosslinking method being carried out at a temperature lower than the melting point of the polymer. The invention also concerns a powder particle and the uses of same.Type: ApplicationFiled: May 16, 2014Publication date: June 2, 2016Applicant: Arkema FranceInventors: Geoffroy CAMMAGE, Nicolas DUFAURE, Guillaume LE, Cyrille MATHIEU
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Use, as a shock absorber, of a material formed from branched molecules containing associative groups
Patent number: 8975363Abstract: A shock absorber is prepared from a material formed from branched molecules comprising associative groups. The branched molecules each contains at least bifunctional fragments and at least trifunctional fragments joined together by ester or thioester bridges alone or in combination with amide or urea bridges.Type: GrantFiled: March 29, 2010Date of Patent: March 10, 2015Assignee: Arkema FranceInventors: Manuel Hidalgo, Nicolas Dufaure, Jean-Luc Couturier, Bruno Hemelryck -
Patent number: 8889771Abstract: The invention relates to the field of plasticizers, compounds used as additives in polymers for facilitating the transformation thereof or modifying the mechanical properties thereof especially rigidity.Type: GrantFiled: April 18, 2011Date of Patent: November 18, 2014Assignee: Arkema FranceInventors: Nicolas Dufaure, Jean-Luc Couturier, Manuel Hidalgo
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Patent number: 8865806Abstract: The invention relates to the field of plasticizers, compounds used as additives in polymers for facilitating the transformation thereof or modifying the mechanical properties thereof, especially rigidity.Type: GrantFiled: April 18, 2011Date of Patent: October 21, 2014Assignee: Arkema FranceInventors: Nicolas Dufaure, Julien Jouanneau, Guillaume Le, Jean-Luc Couturier, Manuel Hidalgo
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Patent number: 8765869Abstract: The present invention relates to olefin polymers having associative groups containing nitrogen heterocyclic compounds, to hot-melt adhesives including such polymers, and to method for producing same. Specifically, the invention relates to a polymer comprising units from ethylene and from a monomer having associative groups, said monomer including a polymerizing reactive group and an associative group containing nitrogen heterocyclic compounds.Type: GrantFiled: July 22, 2010Date of Patent: July 1, 2014Assignee: Arkema FranceInventors: Samuel Devisme, Nicolas Dufaure, Christian Laurichesse, Manuel Hidalgo
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Patent number: 8609765Abstract: A polymeric material from the styrene family comprises macromolecular chains grafted by nitrogen-containing heterocyclic groups; wherein the macromolecular chains comprise a polymeric backbone to which a grafted agent is attached by at least one covalent bond, the grafting agent comprises, in a single molecule, one or more associative groups capable of being bound by hydrogen bonds, and one or more reactive groups capable of forming covalent bonds with the polymeric backbone, at least one of the associative groups of the modifier is an imidazolidone heterocyclic ring. The mean number of imidazolidone groups to be inserted into the macromolecular chains is dependent both on the mean mass of said chains and on the final properties to be imparted to the material. Objects such as tubes, films, plates, stiffeners, bottles and containers can be made.Type: GrantFiled: July 3, 2012Date of Patent: December 17, 2013Assignees: Arkema France, Centre National de la Recherche Scientifique (CNRS)Inventors: Nicolas Dufaure, Sandra Grimaldi, Manuel Hidalgo, Ludwik Leibler, Francois-Genes Tournilhac