Patents by Inventor Christelle Recoquille
Christelle Recoquille 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: 20230151909Abstract: 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 18, 2023Publication date: May 18, 2023Applicant: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille, Bertrand Verbauwhede, Nicolas Dufaure, Florent Dechamps
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Patent number: 11598452Abstract: 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: GrantFiled: January 16, 2020Date of Patent: March 7, 2023Assignee: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille, Bertrand Verbauwhede, Nicolas Dufaure, Florent Dechamps
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Publication number: 20220161463Abstract: A method for preparing an object including at least one film including at least one layer including a composition including at least one semi-crystalline polyamide having a melt enthalpy of between 25 J/g and 75 J/g, the film having on all or part of at least one of its surfaces the texture of a texturing element, wherein the method includes: a. providing a mold set to a temperature less than or equal to 120° C.; b. applying to the wall of the mold, at least one texturing element, and having at least partially a textured surface, the textured surface being on the face opposite that facing the mold; c. applying to the textured surface of the texturing element, at least one film comprising at least one layer, the thickness of the layer being at least 10 ?m; d. applying heat and pressure to the film.Type: ApplicationFiled: April 7, 2020Publication date: May 26, 2022Applicant: Arkema FranceInventors: Thibaut MONTANARI, Christelle RECOQUILLE
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Patent number: 11339899Abstract: 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: GrantFiled: January 12, 2017Date of Patent: May 24, 2022Assignee: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille, Bertrand Verbauwhede, Nicolas Dufaure, Florent Dechamps
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Patent number: 11161319Abstract: A multilayer tubular structure MLT intended for the transport of petrol. The MLT has at least one inner barrier layer and at least one outer layer located above the barrier layer. All the layers located above the barrier layer contain from 0 to 5% of plasticizer relative to the total weight of the composition of the layer. The outer layer is predominantly at least one aliphatic polyamide. The polyamide(s) has a 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 outer layer comprises at least three polyamides, at least one of the polyamides A, B and C is excluded.Type: GrantFiled: January 12, 2017Date of Patent: November 2, 2021Assignee: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille, Bertrand Verbauwhede
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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: 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: 20180099473Abstract: A multilayer tubular structure MLT intended for the transport of petrol. The MLT has at least one inner barrier layer and at least one outer layer located above the barrier layer. All the layers located above the barrier layer contain from 0 to 5% of plasticizer relative to the total weight of the composition of the layer. The outer layer is predominantly at least one aliphatic polyamide. The polyamide(s) has a 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 outer layer comprises at least three polyamides, at least one of the polyamides A, B and C is excluded.Type: ApplicationFiled: January 12, 2017Publication date: April 12, 2018Applicant: Arkema FranceInventors: Thibaut MONTANARI, Christelle RECOQUILLE, Bertrand VERBAUWHEDE
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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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Patent number: 8211344Abstract: The present invention relates to the use of a microcrystalline polyamide for obtaining an object having all or part of its outer surface formed from this microcrystalline polyamide and having a particular surface finish, in which: the manufacture of the object comprises steps carried out hot between the Tg (glass transition temperature) and the Tm (melting point) of this microcrystalline polyamide; the transparency of the microcrystalline polyamide is such that the light transmission at 560 nm on a polished object 1 mm in thickness is greater than 80%, advantageously greater than 88%, the transparency being measured on the object obtained by standard processing methods, such as injection molding and sheet extrusion/calendering. Advantageously, the microcrystalline polyamide is such that its degree of crystallinity is greater than 10% and less than 30% (1st DSC heating according to ISO 11357 at 40° C.Type: GrantFiled: October 20, 2010Date of Patent: July 3, 2012Assignee: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille
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Publication number: 20110033665Abstract: The present invention relates to the use of a microcrystalline polyamide for obtaining an object having all or part of its outer surface formed from this microcrystalline polyamide and having a particular surface finish, in which: the manufacture of the object comprises steps carried out hot between the Tg (glass transition temperature) and the Tm (melting point) of this microcrystalline polyamide; the transparency of the microcrystalline polyamide is such that the light transmission at 560 nm on a polished object 1 mm in thickness is greater than 80%, advantageously greater than 88%, the transparency being measured on the object obtained by standard processing methods, such as injection moulding and sheet extrusion/calendering. Advantageously, the microcrystalline polyamide is such that its degree of crystallinity is greater than 10% and less than 30% (1st DSC heating according to ISO 11357 at 40° C.Type: ApplicationFiled: October 20, 2010Publication date: February 10, 2011Applicant: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille
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Patent number: 7833450Abstract: The present invention relates to the use of a microcrystalline polyamide for obtaining an object having all or part of its outer surface formed from this microcrystalline polyamide and having a particular surface finish, in which: the manufacture of the object comprises steps carried out hot between the Tg (glass transition temperature) and the Tm (melting point) of this microcrystalline polyamide; the transparency of the microcrystalline polyamide is such that the light transmission at 560 nm on a polished object 1 mm in thickness is greater than 80%, advantageously greater than 88%, the transparency being measured on the object obtained by standard processing methods, such as injection moulding and sheet extrusion/calendering.Type: GrantFiled: June 22, 2005Date of Patent: November 16, 2010Assignee: Arkema FranceInventors: Thibaut Montanari, Christelle Recoquille
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Publication number: 20080085956Abstract: The invention relates to flame-retardant thermoplastic compositions comprising a blend of PA-11 and PA-12 polyamide resins and melamine cyanurate, their method of preparation and their application in the manufacture of industrial articles.Type: ApplicationFiled: July 1, 2005Publication date: April 10, 2008Inventors: Christelle Recoquille, Philippe Blondel, Jean-Jacques Flat, Jean-Claude Marais
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Patent number: 7122233Abstract: The invention relates to a transparent composition comprising, by weight, the total being 100%: 5 to 40% of an amorphous polyamide (B) which results essentially from the condensation: either of at least one diamine chosen from cycloaliphatic diamines and aliphatic diamines and of at least one diacid chosen from cycloaliphatic diacids and aliphatic diacids, at least one of these diamine or diacid units being cycloaliphatic, or of a cycloaliphatic ?,?-aminocarboxylic acid, or of a combination of these two possibilities, and optionally of at least one monomer chosen from ?,?-aminocarboxylic acids or the possible corresponding lactams, aliphatic diacids and aliphatic diamines, 0 to 40% of a supple polyamide (C) chosen from copolymers containing polyamide blocks and polyether blocks and copolyamides, 0 to 20% of a compatabilizer (D) for (A) and (B), 0 to 40% of a supple modifier (M), with the condition that (C)+(D)+(M) is between 0 and 50%, the remainder to 100% being a semi-crystalline polyamide (A).Type: GrantFiled: January 26, 2005Date of Patent: October 17, 2006Assignee: AtofinaInventors: Thibaut Montanari, Christelle Recoquille
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Patent number: 7014919Abstract: A composition comprising, by weight, the total being 100%: a semi-crystalline polyamide (A); 5 to 40% of an amorphous polyamide (B) which results from the condensation: of (B1) at least one cycloaliphatic diamine or aliphatic diamine, with at least one cycloaliphatic diacid or aliphatic diacid, at least one of the diamine or diacid units being cycloaliphatic, or (B2) of a cycloaliphatic ?,?-aminocarboxylic acid, or (B3) of a combination of (B1), and (B2), and optionally at least one of (B1), (B2) and (B) being condensed with at least one monomer selected from the group consisting of a ?,?-aminocarboxylic acid or the corresponding lactam, an aliphatic diacid, and an aliphatic diamine; 0 to 40% of a supple polyamide (C) selected from the group consisting of (C1) copolymers containing polyamide blocks and polyether blocks, and (C2) copolyamides; 0 to 20% of a compatabilizer (D) for (A) and (B); 0 to 40% of a supple modifier (M); with the condition that (C)+(D)+(M) is between 0 and 50%, the remainder to 100% bType: GrantFiled: January 28, 2002Date of Patent: March 21, 2006Assignee: RKEMAInventors: Thibaut Montanari, Christelle Recoquille
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Publication number: 20060030692Abstract: The present invention relates to the use of a microcrystalline polyamide for obtaining an object having all or part of its outer surface formed from this microcrystalline polyamide and having a particular surface finish, in which: the manufacture of the object comprises steps carried out hot between the Tg (glass transition temperature) and the Tm (melting point) of this microcrystalline polyamide; the transparency of the microcrystalline polyamide is such that the light transmission at 560 nm on a polished object 1 mm in thickness is greater than 80%, advantageously greater than 88%, the transparency being measured on the object obtained by standard processing methods, such as injection moulding and sheet extrusion/calendering. Advantageously, the microcrystalline polyamide is such that its degree of crystallinity is greater than 10% and less than 30% (1st DSC heating according to ISO 11357 at 40° C.Type: ApplicationFiled: June 22, 2005Publication date: February 9, 2006Inventors: Thibaut Montanari, Christelle Recoquille
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Publication number: 20050165175Abstract: The invention relates to a transparent composition comprising, by weight, the total being 100%: 5 to 40% of an amorphous polyamide (B) which results essentially from the condensation: either of at least one diamine chosen from cycloaliphatic diamines and aliphatic diamines and of at least one diacid chosen from cycloaliphatic diacids and aliphatic diacids, at least one of these diamine or diacid units being cycloaliphatic, or of a cycloaliphatic ?,?-aminocarboxylic acid, or of a combination of these two possibilities, and optionally of at least one monomer chosen from ?,?-aminocarboxylic acids or the possible corresponding lactams, aliphatic diacids and aliphatic diamines, 0 to 40% of a supple polyamide (C) chosen from copolymers containing polyamide blocks and polyether blocks and copolyamides, 0 to 20% of a compatabilizer (D) for (A) and (B), 0 to 40% of a supple modifier (M), with the condition that (C)+(D)+(M) is between 0 and 50%, the remainder to 100% being a semi-crystalline polyamide (A).Type: ApplicationFiled: January 26, 2005Publication date: July 28, 2005Inventors: Thibaut Montanari, Christelle Recoquille
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Patent number: 6916517Abstract: A composition comprising, by weight, the total being 100%: 5 to 40% of an amorphous polyamide (B) which results from the condensation of at least one aromatic diacid and with at least one diamine said diamine being optionally cycloaliphatic, and, optionally with at least one monomer chosen from: ?,?-aminocarboxylic acids, aliphatic diacids, aliphatic diamines, 0 to 40% of a supple polyamide (C) chosen from copolymers containing polyamide blocks, polyether blocks and copolyamides, 0 to 20% of a compatibilizer (D) for (A) and (B), (C)+(D) is between 2% and 50%, with the condition that (B)+(C)+(D) is not less than 30%, and the difference to 100% is made up with a semi-crystalline polyamide (A). This composition can be molded into transparent sheets treated by a sublimation printing process at relatively low temperatures.Type: GrantFiled: January 25, 2002Date of Patent: July 12, 2005Assignee: ArkemaInventors: Thibaut Montanari, Christelle Recoquille
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Publication number: 20020179888Abstract: The invention relates to a transparent composition comprising, by weight, the total being 100%:Type: ApplicationFiled: January 25, 2002Publication date: December 5, 2002Applicant: ATOFINAInventors: Thibaut Montanari, Christelle Recoquille