Patents Assigned to Arkema France
  • Patent number: 11220596
    Abstract: A method of reducing gloss that results in a polyvinyl chloride (PVC) component that exhibits a reduced level of surface gloss; wherein, the PVC or other thermoplastic resin component comprises: a PVC resin; one or more process aids comprising at least one base polymer with one or more of the process aids being functionalized with about 0.5 wt. % to about 35 wt. % of a reactive epoxy, hydroxyl, or carboxylic acid functional group based on the total weight of the process aids; and optionally, at least one impact modifier. The PVC or other thermoplastic resin component exhibits a gloss reduction of at least 5 points measured at an angle of 85 degrees or less when compared to a similar PVC component in which the process aids are not functionalized.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 11, 2022
    Assignee: Arkema France
    Inventors: Kevin R. Yocca, David A. Mountz, Jason M. Lyons
  • Patent number: 11214523
    Abstract: A process for the production of highly carbonaceous material, including combining a structured precursor including fibres and an unstructured precursor, in the form of a fluid, wherein the fluid has a viscosity of less than 45,000 mPa·s?1 at the temperature at which the combination step occurs, and including at least a cyclic organic or aromatic compound in the molten state, or in solution at a concentration by weight of less than or equal to 65%, in order to obtain a combined precursor corresponding to the structured precursor covered by the unstructured precursor, wherein the process further includes step of thermal and dimensional stabilization of the combined precursor in order to obtain fibres covered with a cyclic organic or aromatic compound deposit, and a step of carbonization of the fibres covered with a cyclic organic or aromatic compound deposit in order to obtain a highly carbonaceous material.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: January 4, 2022
    Assignee: ARKEMA FRANCE
    Inventors: Alexander Korzhenko, Célia Mercader
  • Publication number: 20210403795
    Abstract: The present invention relates to a composition comprising: at least one co-polymer of which at least one of the repeating units comprises at least one amide function; and at least one polyether having a molecular weight (MW) greater than 60 g·mol?1. The invention also relates to the use of said composition for delaying, or even preventing, the formation of gas hydrates, in particular in a method for extracting oil and/or gas and/or condensates, as well as to the method for delaying, or even preventing, the formation and/or agglomeration of gas hydrates, using a composition as defined above.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 30, 2021
    Applicant: Arkema France
    Inventors: Gilles Barreto, Henry Delroisse
  • Publication number: 20210403780
    Abstract: A composition including: trifluoroethylene; pentafluoroethane; and at least one compound C chosen from the group constituted by difluoromethane, 1,1,1-trifluoropropene, trifluoroethane, 1,1,1,2-tetrafluoroethane, monofluoroethane, 1,1,1,4,4,4-hexafluorobut-2-ene, 3,3,4,4,4-pentafluorobut-1-ene, 2,4,4,4-tetrafluorobut-1-ene, 1,1,1,3,3-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 1,1,2,2-tetrafluoroethane, 1,1-difluoroethane, 1,1,1,3,3-pentafluorobutane, butane, 1,1,1,2,3,3,3-heptafluoropropane, 1-chlorotrifluoropropene, 2-methylbutane, pentane, propane, and mixtures thereof. Also, the uses thereof in refrigeration, air conditioning and heat pumps.
    Type: Application
    Filed: September 8, 2021
    Publication date: December 30, 2021
    Applicant: Arkema France
    Inventor: Wissam RACHED
  • Publication number: 20210403422
    Abstract: The invention relates to compounds of formula (I), in which R1, R2, A and n are as defined. The invention also relates to mineral or organic salts thereof; the use of the compounds of formula (I) and/or of one of the salts thereof as a surfactant, a wetting agent, a detergent, an emulsifying agent, a dispersant, a corrosion inhibitor, and the like; and to compositions comprising at least one compound of formula (I) and/or of one of the salts thereof.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Applicant: Arkema France
    Inventors: Jean-Philippe Gillet, Juan Antonio Gonzalez Leon, Carl Bouret
  • Patent number: 11209105
    Abstract: Provided is a method for heating or cooling a liquid or a body by means of a vapor compression circuit containing a heat transfer fluid. The vapor compression circuit element includes at least one layer that includes copolyamide of formula X/10.T/Y, where the structural variables are described herein.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: December 28, 2021
    Assignee: Arkema France
    Inventors: Philippe Blondel, Benoît Brule, Eric Gamache, Estelle Meurice Pierrat
  • Patent number: 11208564
    Abstract: The present invention relates to an impregnation process for a functional fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated functional fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a functional fibrous substrate or long functional fibers with a viscous liquid composition containing mainly monomer components. This viscous composition is called hereafter liquid monomer syrup. The invention concerns also a functional fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of functional fibrous substrate with the monomer syrup is achieved in a mould.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: December 28, 2021
    Assignee: ARKEMA FRANCE
    Inventors: Pierre Gerard, Michel Glotin, Sebastien Taillemite
  • Publication number: 20210395414
    Abstract: The present invention relates to the field of water-soluble or water-dispersible copolymers comprising at least one random copolymer comprising styrene, methacrylic acid, acrylic acid and butyl acrylate.
    Type: Application
    Filed: November 8, 2019
    Publication date: December 23, 2021
    Applicant: Arkema France
    Inventors: Anne-Laure Brocas, Sylvain Bourrigaud, Sylvie Cazaumayou
  • Publication number: 20210395567
    Abstract: A copolyamide-based powder intended for forming a coating on a surface, having an inherent viscosity of greater than or equal to 0.8 (g/100 g)?1, in which the copolyamide has a melting point of less than or equal to 160° C. Also, the use of such a powder for coating a surface, the coating having an inherent viscosity of greater than or equal to 0.8 (g/100 g)?1, and also a process for coating a surface using such a powder.
    Type: Application
    Filed: October 23, 2019
    Publication date: December 23, 2021
    Applicant: Arkema France
    Inventors: Quentin PINEAU, Jean-Yves LOZE, Jean-Charles DURAND, Masako AKAGI
  • Publication number: 20210387135
    Abstract: A process for treating a gaseous effluent obtained from a pyrolytic decomposition of one or more polymers, including: a condensation step, in a condensation chamber maintained at a first pressure, of a gaseous effluent placed in contact with an absorbent liquid, the temperature of the absorbent liquid being below the temperature of the gaseous effluent, a step of partial vaporization, by expansion of the condensate in a chamber maintained at a second pressure below the first pressure, a reinjection step which includes at least partly redirecting a first liquid or vapor fraction, obtained on conclusion of the partial vaporization step, to the condensation chamber, and a recovery step including purification of a second liquid or vapor fraction, obtained on conclusion of the partial vaporization step and charged with monomer(s).
    Type: Application
    Filed: October 18, 2019
    Publication date: December 16, 2021
    Applicants: ARKEMA FRANCE, PYROVAC
    Inventors: Jean-Luc DUBOIS, Bruno DE CAUMIA, Daniel BLANCHETTE, Christian ROY
  • Patent number: 11198663
    Abstract: The present invention relates to a method for storing, in a closed container, a composition comprising 1,1,1,2,3,3-hexafluoropropane in a liquid/gas state composed of a liquid phase and of a gas phase, characterized in that i) a stream comprising 1,1,1,2,3,3-hexafluoropropane is injected into said container, said stream comprising an oxygen concentration of at most 5000 ppm by volume at a temperature of 25° C., and ii) the container is closed after injection of said stream. The present invention also relates to a container for storing 1,1,1,2,3,3-hexafluoropropane.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: December 14, 2021
    Assignee: Arkema France
    Inventors: Dominique Deur-Bert, Laurent Wendlinger
  • Patent number: 11192839
    Abstract: The present invention relates to a process for producing 2-chloro-3,3,3-trifluoropropene, comprising the steps: i) providing a stream A comprising at least one chlorinated compound selected from the group consisting of 2,3-dichloro-1,1,1-trifluoropropane, 1,1,1,2,3-pentachloropropane, 1,1,2,3-tetrachloropropene and 2,3,3,3-tetrachloropropene; and ii) in an adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing said stream A into contact, in the presence or absence of a catalyst, with HF in order to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene, characterized in that the temperature at the inlet of the fixed bed of said adiabatic reactor is between 300° C. and 400° C. and the longitudinal temperature difference between the inlet of the fixed bed and the outlet of the fixed bed of said reactor is less than 20° C.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: December 7, 2021
    Assignee: Arkema France
    Inventors: Bertrand Collier, Dominique Deur-Bert, Anne Pigamo, Audrey Riehl, Laurent Wendlinger
  • Patent number: 11192837
    Abstract: A process for producing 2,3,3,3-tetrafluoropropene comprises i) in a first adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing hydrofluoric acid into contact, in the gas phase with at least one chlorinated compound in order to produce a stream A comprising 2-chloro-3,3,3-trifluoropropene, ii) in a second adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing the stream A into contact, in the gas phase in the presence of a catalyst, with hydrofluoric acid, to produce a stream B comprising 2,3,3,3-tetrafluoropropene. The temperature at the inlet of the fixed bed of one of said first or second reactors is between 300° C. and 400° C. The longitudinal temperature difference between the inlet and the outlet of the fixed bed of the reactor is less than 20° C.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: December 7, 2021
    Assignee: Arkema France
    Inventors: Bertrand Collier, Dominique Deur-Bert, Anne Pigamo, Audrey Riehl, Laurent Wendlinger
  • Publication number: 20210371653
    Abstract: A polyamide-based polymer composition including: a) 50% to 98% by weight of a transparent amorphous polyamide; b) 1% to 15% by weight of a polymer in the form of core-shell particles; and c) 1% to 15% by weight of a polyether block and polyamide block copolymer, wherein the polyether block and polyamide block copolymer has: as a 2 mm layer, a transmittance at 560 nm of 90% or more; and a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide and wherein the polymer in the form of core-shell particles has a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide. Also, a process for the manufacture of the composition, and the composition capable of being obtained by said process.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 2, 2021
    Applicant: Arkema France
    Inventors: Mathieu SABARD, Philippe BLONDEL, Benjamin SAILLARD, Frédéric MALET
  • Publication number: 20210376329
    Abstract: The invention relates to an anode for a Li-ion rechargeable battery, said anode being covered with a protective film based on fluorinated copolymer(s). The invention also relates to the processes for preparing this anode. The invention also relates to a Li-ion rechargeable battery comprising an anode according to the invention. The invention lastly relates to the use of fluorinated copolymer(s) as film for covering an anode for a lithium-ion battery comprising a negative electrode active material.
    Type: Application
    Filed: July 25, 2019
    Publication date: December 2, 2021
    Applicant: Arkema France
    Inventors: Dominique PLEE, Fabrice DOMINGUES DOS SANTOS, Gregory SCHMIDT
  • Publication number: 20210376239
    Abstract: The invention relates to a composition comprising a blend of fluorinated electroactive polymers and having a dielectric permittivity that exhibits greater stability over the operating temperature range with respect to each polymer employed on its own. The invention also relates to formulations and films produced on the basis of said composition. The invention also relates to a field-effect transistor, at least part of the dielectric layer of which is composed of a blend of fluorinated electroactive polymers.
    Type: Application
    Filed: August 7, 2018
    Publication date: December 2, 2021
    Applicants: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Fabrice DOMINGUES DOS SANTOS, Thibaut SOULESTIN, Damien THUAU, Georges HADZIIOANNOU
  • Patent number: 11186723
    Abstract: The invention relates to a viscous liquid (meth)acrylic syrup comprising: a) a (meth)acrylic polymer, b) a (meth)acrylic monomer, c) an initiator to start the polymerization of the (meth)acrylic monomer, said initiator being in the form of a peroxide compound that is liquid in a temperature range of between 0° and 50° C., said syrup being characterized in that the initiator is combined with an accelerating system comprising: d) a vanadium salt and e) a tertiary amine.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: November 30, 2021
    Assignee: ARKEMA FRANCE
    Inventors: Pierre Gerard, Sébastien Taillemite, Daniel Callin
  • Publication number: 20210363088
    Abstract: A method for manufacturing 1,4-bis(4-phenoxybenzoyl)benzene, including: providing a solvent, a Lewis acid, a first reactant and a second reactant, wherein the first reactant and the second reactant are respectively terephthaloyl chloride and diphenyl ether, or reversely; mixing the first reactant in the solvent to make a starting mixture; and, adding the second reactant to the starting mixture; wherein the Lewis acid is mixed, at least partly, to the starting mixture before adding the second reactant to the starting mixture, and/or wherein the Lewis acid is mixed, at least partly, with the second reactant and added together to the starting mixture, and wherein the temperature of the starting mixture is greater than 5° C. during at least part of the step of adding the second reactant to the starting mixture; so as to obtain a product mixture comprising a 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex.
    Type: Application
    Filed: November 7, 2019
    Publication date: November 25, 2021
    Applicant: Arkema France
    Inventors: Julien JOUANNEAU, Guillaume LE, Martin HERBLOT
  • Publication number: 20210363346
    Abstract: The use of a sulfonated polyaryl ether ketone or of a sulfonated non-polymeric aryl ether ketone as a dispersant for a polyaryl ether ketone resin powder in an aqueous solution, and also to a corresponding composition, and to a process for preparing a semifinished product comprising a polyaryl ether ketone resin and reinforcing fibers.
    Type: Application
    Filed: November 12, 2018
    Publication date: November 25, 2021
    Applicant: ARKEMA FRANCE
    Inventors: Guillaume LE, Fabien SGUERRA, Julien JOUANNEAU
  • Patent number: 11174393
    Abstract: The present invention relates to a specific radiation-curable coating composition for improving the surface adhesion of plastic parts and its uses as a primer coat, as a base coat or as a clear coat. The composition may be pigmented or unpigmented and may be cured by UV and/or EB. The invention also relates to cured coating resulting from this cure and to the coated plastic substrate with improved surface adhesion.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 16, 2021
    Assignee: Arkema France
    Inventors: Xavier Francois Drujon, Manfred Schwartz, Bernd Laubkermeier, Michaela Wilfert, Markus Holzel