Patents by Inventor Florent Abgrall
Florent Abgrall 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: 20250183400Abstract: The present invention relates to a flame-retardant multilayer tubular structure for the cooling of electric vehicle batteries or of stationary energy storage system batteries, comprising at least two layers: an inner layer (I) comprising at least 40% of at least one thermoplastic polymer P1 chosen from a polyolefin and a thermoplastic elastomer and up to 5% by weight of a compound chosen from a heat stabilizer and a metal deactivator or a mixture of these, an outer layer (II) comprising a composition based on at least one predominant polyamide, said composition comprising, by weight: a) at least 50% of at least one polyamide, b) from 15% to 38% of at least one flame retardant, c) from 4% to 20%, in particular 4% to 15%, of a polyolefin, d) from 0% to 10%, in particular from 0.1% to 10%, by weight of at least one plasticizer, e) from 0% to 5%, in particular from 0.1% to 5%, of at least one additive, the sum a)+b)+c)+d)+e) being equal to 100%.Type: ApplicationFiled: March 8, 2023Publication date: June 5, 2025Applicant: ARKEMA FRANCEInventors: Marjorie MARCOURT, Florent ABGRALL, Antoine GOUPIL
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Publication number: 20250026956Abstract: The present invention relates to a flame retarded insulating composition for covering electric battery busbars, comprising by weight: (a) from 30 to 65%, more particularly from 30 to 63.9%, in particular from 30 to 60%, of at least one semi-crystalline aliphatic polyamide, (b) from 15 to 40%, more particularly from 15 to 30%, of at least one semi-aromatic polyamide, (c) from 15 to 30%, more particularly from 20 to 25%, of at least one phosphinate flame retardant, (d) from 5 to 20%, more particularly from 5 to 15%, of at least one functionalized polyolefin, (e) from 0 to 6%, more particularly from 1 to 6%, in particular between 2 and 4%, of at least one plasticizer, (f) from 0 to 10%, more particularly 10 from 0.1 to 5%, of at least one additive, the sum of the constituents (a) to (f) being equal to 100%.Type: ApplicationFiled: December 1, 2022Publication date: January 23, 2025Applicant: ARKEMA FRANCEInventors: Olivier MASSOT, Florent ABGRALL, Marjorie MARCOURT
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Publication number: 20240376311Abstract: A thermoplastic composite material including: a) from 65% to 95% by weight of at least one reactive semicrystalline polyamide prepolymer with an average molecular mass Mn of less than or equal to 8000 g/mol and having a volume-mean diameter D50 of the reactive semicrystalline polyamide prepolymer powder particles ranging from 10 to 300 ?m, b) from 5% to 35% by weight of at least one flame retardant chosen from an at least partially meltable flame retardant in powder form and a non-meltable flame retardant in premilled powder form with a volume-mean diameter D50 of from 1 to 50 ?m, and c) from 0 to 2% by weight of at least one meltable or non-meltable additive with a volume-mean diameter D50 of from 1 to 50 ?m if it is non-meltable and in powder form.Type: ApplicationFiled: March 31, 2022Publication date: November 14, 2024Applicant: ARKEMA FRANCEInventors: Thibaut SAVART, Lise DEVES, Jean-Jacques FLAT, Florent ABGRALL
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Publication number: 20240376264Abstract: A composition for a thermoplastic composite material including: a) from 65% to 95% by weight of at least one reactive semicrystalline polyamide prepolymer with an average molar mass Mn of less than 5000 g/mol and having a volume-mean diameter D50 of the reactive semicrystalline polyamide prepolymer powder particles ranging from 10 to 300 ?m, b) from 5% to 35% by weight of at least one flame retardant chosen from an at least partially meltable flame retardant in powder form and having a volume-mean diameter D50 of from 10 to 300 ?m, and a non-meltable flame retardant in premilled powder form with a volume-mean diameter D50 of from 1 to 50 ?m, and c) from 0 to 2% by weight of at least one additive, and said reactive polyamide prepolymer comprising or consisting of at least one Z/BACT/XT copolyamide.Type: ApplicationFiled: March 31, 2022Publication date: November 14, 2024Applicant: ARKEMA FRANCEInventors: Thibaut SAVART, Lise DEVES, Jean-Jacques FLAT, Florent ABGRALL
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Publication number: 20240218107Abstract: A composition including at least one thermoplastic polyurethane and at least one polyamide comprising amine chain ends, wherein the polyamide is the reaction product of one or more monomers chosen from amino acids or aminocarboxylic acids, lactams and monomers resulting from the reaction between an aliphatic diamine and a dicarboxylic acid. Also, a composition obtained by the reaction of at least one thermoplastic polyurethane or thermoplastic polyurethane precursors and of at least one polyamide comprising amine chain ends, processes for preparing such compositions and articles made therefrom.Type: ApplicationFiled: April 22, 2022Publication date: July 4, 2024Applicant: ARKEMA FRANCEInventors: Thomas PRENVEILLE, Florent ABGRALL
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Publication number: 20240218177Abstract: A composition including, relative to the total weight of the composition, from 40% to 95% by weight of at least one copolymer containing polyamide blocks and polyether blocks and from 5% to 60%, by weight, of at least one thermoplastic polyurethane, the composition having a tensile modulus at 23° C. of less than or equal to 150 MPa. Also, a composition obtained by the reaction of at least one copolymer containing polyamide blocks and polyether blocks and of at least one thermoplastic polyurethane or of thermoplastic polyurethane precursors, processes for preparing such compositions and articles made therefrom.Type: ApplicationFiled: April 22, 2022Publication date: July 4, 2024Applicant: ARKEMA FRANCEInventors: Thomas PRENVEILLE, Florent ABGRALL, Frédérique PERY
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Publication number: 20240084140Abstract: A composition including: (A) a copolymer having rigid blocks and flexible blocks (TPE), (B) a non-crosslinked polysiloxane silicone, preferably a non-crosslinked polyorganosiloxane, (C) a compatibilizer, improving the compatibility between the TPE and the silicone, the compatibilizer (C) being chosen from a polyolefin or a mixture of polyolefins, and optionally (D) an additive.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Applicant: ARKEMA FRANCEInventors: Sebastien MERZLIC, Philippe BLONDEL, Florent ABGRALL, Karine LOYEN, Damien RAULINE, Sebastien-Jun MOUGNIER
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Publication number: 20230357481Abstract: A composition including a copolymer containing polyamide blocks and polyether blocks including at least one carboxylic acid chain end having reacted with an epoxide function, the process for preparing same, and also the use thereof. A foam formed from this composition, the process for preparing same, and the use thereof.Type: ApplicationFiled: September 15, 2021Publication date: November 9, 2023Applicant: ARKema FRANCEInventors: Blandine TESTUD, Quentin PINEAU, Florent ABGRALL, Clio COCQUET
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Patent number: 11661508Abstract: The invention relates to an object or object part made from a composition comprising at least one fluoropolymer F, wherein: —the at least one fluoropolymer F comprises vinylidene fluoride units and at least 30 wt. % of units derived from at least one monomer of formula (I): (I) CX1X2?CX3Y, wherein each of X1, X2 and X3 is independently selected from H, Cl, F, Br, I and alkyl groups comprising from 1 to 3 carbon atoms which are optionally partly or fully halogenated and Y is an alkyl group comprising from 1 to 3 carbon atoms which is optionally partly or fully halogenated; —the proportion of the at least one fluoropolymer F in the composition is at least 80 wt. %; and—the viscosity of the composition is at least 1000 Pa·s at a temperature of 230° C. and at a shear rate of 100 s?1.Type: GrantFiled: June 4, 2018Date of Patent: May 30, 2023Assignee: Arkema FranceInventors: Ramin Amin-Sanayei, Samuel Devisme, Florent Abgrall, Jerome Chauveau, Anthony Bonnet, Gregory O'Brien
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Publication number: 20220363886Abstract: The present invention relates to a combination of polymers comprising: at least one thermoplastic elastomer comprising at least 10% by mass of ester flexible blocks relative to the total mass of the thermoplastic elastomer, and at least one fluoropolymer comprising a vinylidene fluoride homopolymer or copolymer.Type: ApplicationFiled: June 23, 2020Publication date: November 17, 2022Inventors: Florent ABGRALL, Samuel DEVISME, Anthony BONNET, Quentin PINEAU
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Publication number: 20210146658Abstract: The invention relates to the field of cables for an offshore environment (known as “downhole cables”). More particularly, the invention relates to an electrical cable having an insulating multilayer structure based on fluorinated polymers and polyolefins. This structure is made up of multiple layers that are intercohesive and obtained by coextrusion. The invention also relates to the use of said cable as a drilling material for extracting petroleum or natural gas.Type: ApplicationFiled: May 14, 2019Publication date: May 20, 2021Inventors: Jerome CHAUVEAU, Jerome RONDIN, Florent ABGRALL
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Publication number: 20210130598Abstract: The invention relates to an object or object part made from a composition comprising at least one fluoropolymer F, wherein: —the at least one fluoropolymer F comprises vinylidene fluoride units and at least 30 wt. % of units derived from at least one monomer of formula (I): (I) CX1X2?CX3Y, wherein each of X1, X2 and X3 is independently selected from H, Cl, F, Br, I and alkyl groups comprising from 1 to 3 carbon atoms which are optionally partly or fully halogenated and Y is an alkyl group comprising from 1 to 3 carbon atoms which is optionally partly or fully halogenated; —the proportion of the at least one fluoropolymer F in the composition is at least 80 wt. %; and—the viscosity of the composition is at least 1000 Pa·s at a temperature of 230° C. and at a shear rate of 100 s?1.Type: ApplicationFiled: June 4, 2018Publication date: May 6, 2021Inventors: Ramin AMIN-SANAYEI, Samuel DEVISME, Florent ABGRALL, Jerome CHAUVEAU, Anthony BONNET, Gregory O'BRIEN
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Publication number: 20210087399Abstract: The invention relates to a composition comprising: (A) a copolymer having rigid blocks and flexible blocks (TPE), (B) a non-crosslinked polysiloxane silicone, preferably a non-crosslinked polyorganosiloxane, optionally (C) a compatibilizer, improving the compatibility between the TPE and the silicone, the compatibilizer (C) being chosen from a polyolefin or a mixture of several polyolefins.Type: ApplicationFiled: January 15, 2019Publication date: March 25, 2021Inventors: Sebastien MERZLIC, Philippe BLONDEL, Florent ABGRALL, Katherine LOYEN, Damien RAULINE, Sebastien-Jun MOUGNIER
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Publication number: 20190315993Abstract: The invention relates to fluorinated-acrylic thermoplastic compositions, to powder coatings made of such compositions, and to a process for preparing said powder coatings.Type: ApplicationFiled: December 14, 2017Publication date: October 17, 2019Inventors: Florent ABGRALL, Anthony BONNET, Samuel DEVISME, Thomas FINE, Takehiro FUKUYAMA
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Publication number: 20180163041Abstract: The present invention relates to a fluorinated film possessing properties making it able to be used outside, especially in agricultural field as a greenhouse film for animals. The film according to the invention is a monolayer polymer film comprising a polyvinylidene fluoride (PVDF) matrix, at least one impact modifier, the content by weight of the impact modifier varying between 2.5% and less than 40%, and a flame-retarding agent. According to one variant embodiment, the invention relates to a multilayer film comprising at least one layer of said fluorinated film and at least one unmodified PVDF layer.Type: ApplicationFiled: December 17, 2014Publication date: June 14, 2018Inventor: Florent Abgrall