Patents by Inventor Sébastien Quinebeche
Sébastien Quinebeche 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: 20240010793Abstract: The present invention relates to a method for continuously preparing a polyamide prepolymer, the viscosity in solution of which is comprised between 0.25 dL/g and 0.70 dL/g, as measured according to ISO 307:2007 in m-cresol at 20° C., the method being characterized in that it comprises a step of polycondensation on the basis of one or more polyamide precursor monomers, said polycondensation step being carried out in a extruder comprising at least two co-rotating conveying screws, the at least one monomer being previously added therein in solid or liquid form without being dissolved in a solvent or in water, and said polycondensation step being carried out without extracting the water formed during said polycondensation.Type: ApplicationFiled: November 10, 2021Publication date: January 11, 2024Applicant: ARKEMA FRANCEInventors: Sébastien QUINEBECHE, Thierry BRIFFAUD, Gérald ROMAZINI
-
Publication number: 20230407006Abstract: A method for continuously preparing a formulated polyamide prepolymer, of which the solution viscosity is from 0.25 dL/g to 0.70 dL/g, as measured according to ISO 307:2007 in m-cresol at 20° C., the method including a step of polycondensation on the basis of one or more polyamide precursor monomers, said polycondensation step being carried out in an extruder comprising at least two co-rotating conveying screws, the at least one monomer being previously fed therein in solid or liquid form without being dissolved in a solvent or in water, and said polycondensation step being carried out without extraction of the water formed during said polycondensation step and comprising the addition of at least one additive during said polycondensation step in the extruder.Type: ApplicationFiled: November 10, 2021Publication date: December 21, 2023Applicant: ARKEMA FRANCEInventors: Sébastien QUINEBECHE, Gérald ROMAZINI, Pierrick ROGER-DALBERT, Thierry BRIFFAUD
-
Publication number: 20230357547Abstract: The present invention relates to a foamable composition comprising an ethylene-vinyl acetate (EVA) copolymer and for a copolymer of ethylene and of alkyl (meth)acrylate and a branched copolymer containing polyamide blocks and polyether blocks, to a process for producing said composition and to the use of said composition. The present invention also relates to a foam, to a process for producing said foam and to the use of said foam.Type: ApplicationFiled: September 15, 2021Publication date: November 9, 2023Applicant: ARKEMA FRANCEInventors: Blandine TESTUD, Sébastien QUINEBECHE, Chao-Ting CHANG, Clio COCQUET
-
Publication number: 20230357548Abstract: The present invention relates to a foam of polymers comprising an ethylene-vinyl acetate (EVA) copolymer and/or a copolymer of ethylene and of alkyl (meth)acrylate and a copolymer containing polyamide blocks and polyether blocks (PEBA). The present invention also relates to a process for producing such a foam and also to the use of said foam, in particular in shoes.Type: ApplicationFiled: September 15, 2021Publication date: November 9, 2023Applicant: ARKEMA FRANCEInventors: Blandine TESTUD, Sébastien QUINEBECHE, Chao-Ting CHANG, Clio COCQUET
-
Patent number: 11555116Abstract: Provided herein is a copolymer of ethylene and acrylate(s) having a melt flow index (MFI) greater than or equal to 50 g/10 minutes, obtained by free-radical copolymerisation under high pressure carried out in a tubular reactor, and methods of using the same. Also provided herein is a thermoplastic composition, particularly intended to be extruded or injection moulded, having one or more copolymers of ethylene and acrylate(s) at a content ranging from 0.1 to 20 wt. %, and one or more thermoplastic polymers.Type: GrantFiled: March 26, 2019Date of Patent: January 17, 2023Assignee: SK Global Chemical Co., Ltd.Inventors: Paul Coupillaud, Sebastien Quinebeche, Alain Bouilloux
-
Patent number: 11292896Abstract: A rubber composition is based on at least: a copolymer A, with a content of greater than or equal to 50 phr, said copolymer A being a copolymer based on at least one ethylene monomer and on at least one vinyl acetate monomer a reinforcing inorganic filler as agent for coupling between said copolymer A and said reinforcing inorganic filler, a copolymer B different from said copolymer A, said copolymer B being a copolymer based on at least one alpha-olefin monomer and on at least one functional monomer Y; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.Type: GrantFiled: December 21, 2017Date of Patent: April 5, 2022Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, SK GEO CENTRIC CO., LTD.Inventors: Corentin Pavageau, Benoit Schnell, Alain Bouilloux, Sebastien Quinebeche
-
Publication number: 20210163739Abstract: Provided herein is a copolymer of ethylene and acrylate(s) having a melt flow index (MFI) greater than or equal to 50 g/10 minutes, obtained by free-radical copolymerisation under high pressure carried out in a tubular reactor, and methods of using the same. Also provided herein is a thermoplastic composition, particularly intended to be extruded or injection moulded, having one or more copolymers of ethylene and acrylate(s) at a content ranging from 0.1 to 20 wt. %, and one or more thermoplastic polymers.Type: ApplicationFiled: March 26, 2019Publication date: June 3, 2021Inventors: Paul Coupillaud, Sebastien Quinebeche, Alain Bouilloux
-
Publication number: 20200180202Abstract: The invention concerns a method for preparing an adhesive composition using an extruder having at least two rotating screws, successively comprising: feeding a plasticizer into the extruder; degassing the plasticizer in the extruder; feeding a silylated prepolymer and mixing the latter with the plasticizer in the extruder; and discharging the mixture from the extruder.Type: ApplicationFiled: July 2, 2018Publication date: June 11, 2020Applicant: BOSTIK SAInventors: Myriam GRISOT-SAULE, Sebastien QUINEBECHE
-
Publication number: 20190375926Abstract: A rubber composition is based on at least: a copolymer A, with a content of greater than or equal to 50 phr, said copolymer A being a copolymer based on at least one ethylene monomer and on at least one vinyl acetate monomer a reinforcing inorganic filler as agent for coupling between said copolymer A and said reinforcing inorganic filler, a copolymer B different from said copolymer A, said copolymer B being a copolymer based on at least one alpha-olefin monomer and on at least one functional monomer Y; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.Type: ApplicationFiled: December 21, 2017Publication date: December 12, 2019Inventors: CORENTIN PAVAGEAU, BENOIT SCHNELL, ALAIN BOUILLOUX, SEBASTIEN QUINEBECHE
-
Publication number: 20160185942Abstract: A halogen-free fire-retardant thermoplastic composition composed of: 50% to 70% by weight of fire-retardant fillers, 0.1% to 45% by weight of a copolymer of ethylene and of an ethylenic monomer bearing a polar function, 10% to 25% by weight of a non-functionalized very low density polyethylene (VLDPE), optionally, up to 10% of additives, and 0.1% to 10% by weight of a linear low density polyethylene (LLDPE), characterized in that the density of the very low density polyethylene (VLDPE) is between 0.85 and 0.91, in that the density of the linear low density polyethylene is greater than 0.91 and in that the linear low density polyethylene (LLDPE) is grafted with maleic anhydride grafts present on the main chain. Also, a cable, tube, pipe or the like, a layer of which is formed with said composition.Type: ApplicationFiled: July 9, 2014Publication date: June 30, 2016Applicant: ARKEMA FRANCEInventors: Sébastien QUINEBECHE, Vincent PALLUAULT, Benoît SAVIGNAT
-
Publication number: 20160102207Abstract: A premix composition for bitumens, including: from 35% to 65%, by weight of the composition, of bitumen, from 5% to 65%, by weight of the composition, of a first copolymer of an alpha-olefin and of an unsaturated carboxylic acid ester, characterized in that it additionally includes from 5% to 65% by weight of a second copolymer of an alpha-olefin, an unsaturated epoxide and an unsaturated carboxylic acid ester and in that the aforesaid first copolymer and the aforesaid second copolymer represent between 35% and 65% by weight of said composition. Also, a bituminous mix including this composition and also the use of this composition for the preparation of such a mix.Type: ApplicationFiled: April 18, 2014Publication date: April 14, 2016Applicant: ARKEMA FRANCEInventors: Vincent Palluault, Sebastien Quinebeche
-
Publication number: 20150307686Abstract: The present invention relates to a polymer composition, said polymer having a main chain consisting of a polylactic acid, the main chain including a plurality of unsaturated acid anhydride grafts, characterized in that said main chain also includes activating comonomer grafts. The invention also relates to a manufacturing method and to a use linked to said polymer composition.Type: ApplicationFiled: July 11, 2013Publication date: October 29, 2015Applicant: Arkema FranceInventors: Sébastien QUINEBECHE, Jean-Jacques FLAT
-
Patent number: 8729156Abstract: The invention provides a composition exhibiting improved impact resistance at low levels of impact modifier. The composition comprises a polyhydroxyalkanoic acid and: (A) an elastomeric compound of core-shell type wherein the amount of (A) is from 0.1 to 6% by mass of the composition; and (B) and an olefinic copolymer comprising an ethylenic monomer bearing an epoxy function; wherein the amount of (B) is from 0.01 to 0.6% by mass of the composition and the mass ratio of (A)/(B) is from 85/15 to 99.5/0.5.Type: GrantFiled: November 6, 2012Date of Patent: May 20, 2014Assignee: Arkema FranceInventors: Sebastien Quinebeche, Zuzanna Donnelly, Mehdi M. Emad
-
Patent number: 8653192Abstract: A method for manufacturing a thermoplastic composition including: a polyester resin (c); a mixture including a copolymer (a) of an ?-olefin and of a monomer having an ethylenic unsaturation and an epoxy function, as well as a core-shell compound (b); characterized in that said method includes a first step of manufacture the mixture of (a) and (b) by extrusion at a temperature at which the copolymer (a) is in the molten state and at a maximum temperature of 60 to 180° C.; a second step of manufacturing the thermoplastic composition by extrusion or by mixing the polyester resin (c) with the mixture of (a) and (b) produced in the first step.Type: GrantFiled: July 13, 2010Date of Patent: February 18, 2014Assignee: Arkema FranceInventors: Sebastien Quinebeche, Alexander Korzhenko, Alain Bouilloux, Stephane Girois
-
Patent number: 8642703Abstract: A composition including polyhydroxyalkanoic acid (PHA), an elastomeric compound of core-shell type, and an olefinic copolymer including an ethylenic monomer bearing an epoxy function. The PHA composition exhibits improved impact strength.Type: GrantFiled: January 17, 2012Date of Patent: February 4, 2014Assignee: Arkema FranceInventors: Alain Bouilloux, Sébastien Quinebeche, Stephane Girois
-
Publication number: 20130131272Abstract: The invention provides a composition exhibiting improved impact resistance at low levels of impact modifier. The composition comprises a polyhydroxyalkanoic acid and: (A) an elastomeric compound of core-shell type wherein the amount of (A) is from 0.1 to 6% by mass of the composition; and (B) and an olefinic copolymer comprising an ethylenic monomer bearing an epoxy function; wherein the amount of (B) is from 0.01 to 0.6% by mass of the composition and the mass ratio of (A)/(B) is from 85/15 to 99.5/0.5.Type: ApplicationFiled: November 6, 2012Publication date: May 23, 2013Applicant: Arkema Inc.Inventors: Sebastien Quinebeche, Zuzanna Donnelly, Mehdi M. Emad
-
Publication number: 20120316293Abstract: A composition including polyhydroxyalkanoic acid (PHA), an elastomeric compound of core-shell type, and an olefinic copolymer including an ethylenic monomer bearing an epoxy function. The PHA composition exhibits improved impact strength.Type: ApplicationFiled: January 17, 2012Publication date: December 13, 2012Applicant: Arkema FranceInventors: Alain Bouilloux, Sébastien Quinebeche, Stephane Girois
-
Publication number: 20120271004Abstract: The invention relates to a method for manufacturing a thermoplastic composition including: a polyester resin (c); a mixture including a copolymer (a) of an ?-olefin and of a monomer having an ethylenic unsaturation and an epoxy function, as well as a core-shell compound (b); characterized in that said method includes a first step of manufacture the mixture of (a) and (b) by extrusion at a temperature at which the copolymer (a) is in the molten state and at a maximum temperature of 60 to 180° C.; a second step of manufacturing the thermoplastic composition by extrusion or by mixing the polyester resin (c) with the mixture of (a) and (b) produced in the first step.Type: ApplicationFiled: July 13, 2010Publication date: October 25, 2012Applicant: Arkema FranceInventors: Sébastien Quinebeche, Alexander Korzhenko, Alain Bouilloux, Stephane Girois