Patents Assigned to Arkema France
  • Publication number: 20230022870
    Abstract: A polymer including VDF-based units having an electrocaloric effect under the effect of a variable electric field. The polymer includes 0.1 to 10.0 mol % double bonds, which are substantially non-conjugated. Also, a corresponding composition including the polymer, a corresponding film including the polymer, and to various uses of the polymer.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 26, 2023
    Applicants: Arkema France, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Fabrice DOMINGUES DOS SANTOS, Thibaut SOULESTIN, Florian LE GOUPIL, Konstantinos KALLITSIS, Georges HADZIIOANNOU
  • Publication number: 20230023245
    Abstract: The present invention concerns a zeolitic adsorbent agglomerate comprising at least one zeolite of faujasite type comprising sodium and/or lithium and/or calcium, and/or barium and/or potassium, of porosity between 25% and 45%, and having a standard deviation ? of crystal size distribution in said agglomerate of less than 0.30 ?m. The invention also concerns the use of the zeolitic adsorbent agglomerate to separate hydrocarbon mixtures, and the process to separate hydrocarbon mixtures using said zeolitic adsorbent agglomerate.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicants: IFP Energies Nouvelles, Arkema France
    Inventors: Javier Perez-Pellitero, Ludivine Bouvier, Maria Manko
  • Publication number: 20230024429
    Abstract: The invention relates to a compound of following formula (I): a preparation process, uses thereof and compositions containing the same, wherein R1 and R2, represent, independently of one another, a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group comprising from 1 to 6 carbon atoms, where the sum of the carbon atoms of the groups R1 and R2 ranges from 2 to 7, and where R1 and R2 may also form, together and with the carbon atom bearing them, a 6-, 7-, or 8-membered ring; n is an integer of between 1 and 100, limits included; A represents a sequence of one or more units chosen from ethylene oxide, propylene oxide, butylene oxide units and mixtures thereof; the group formed by R1, R2 and the carbon atom to which R1 and R2 are attached has a degree of branching equal to 0, 1 or 2.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 26, 2023
    Applicant: Arkema France
    Inventors: Jean-Philippe Gillet, Thierry Beillon
  • Patent number: 11560473
    Abstract: The invention relates to an acrylic alloy composition that can be 3-D printed by a material extrusion additive manufacturing process, to an acrylic filament that has a very uniform diameter useful in the extrusion additive manufacturing process, to acrylic articles made from the acrylic alloy composition by a material extrusion additive process, and to a material extrusion additive manufacturing process for producing the acrylic articles. The acrylic alloy composition is an alloy of an acrylic polymer, and a low melt viscosity polymer, such as polylactic acid. The alloy may optionally be impact modified, preferably with hard core core-shell impact modifiers.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: January 24, 2023
    Assignee: ARKEMA FRANCE
    Inventors: David Shin-Ren Liu, Jack J. Reilly, Mark A. Aubart
  • Publication number: 20230016226
    Abstract: The present invention relates to a selective process for preparing sulfones from sulfides by enzymatic catalysis, and to a composition comprising a symmetrical sulfide, an oxidoreductase enzyme catalyzing the oxidation of said symmetrical sulfide to symmetrical sulfone; optionally at least one cofactor C of said enzyme E; and an oxidant, which allows in particular the implementation of said process.
    Type: Application
    Filed: June 12, 2020
    Publication date: January 19, 2023
    Applicants: Arkema France, Centre National de la Recherche Scientifique (CNRS), Universite d'Aix-Marseille
    Inventors: Georges Fremy, Hugo Brasselet, Véronique Alphand, Katia Duquesne
  • Patent number: 11555003
    Abstract: The invention relates to biosourced vinylidene difluoride. The invention also relates to methods for preparation of biosourced vinylidene difluoride from various renewable raw materials. The invention also relates to homopolymers of vinylidene difluoride obtained from polymerization of said monomer, and also copolymers obtained by copolymerization of said monomer with one or several compatible comonomers. Finally, the invention relates to the use of said homopolymers or copolymers in applications, such as chemical engineering or electronics, in particular mass-market electronic devices.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: January 17, 2023
    Assignee: Arkema France
    Inventors: Anthony Bonnet, Jean-Luc Dubois
  • Patent number: 11555141
    Abstract: The present invention concerns the use of at least one compound A comprising at least one —SH or —S—, M+group, at least one —C-G-C— chain, in which G represents an atom from column 16 of the periodic table, not comprising a carboxy group —C(?O)—OH or —C(?O)—O—, and of a molar mass of between 90 g·mol-1 and 1000 g·mol-1, as an additive in a formulation inhibiting corrosion in metals used in the oil industry, and more generally in any kind of industry involving the drilling of ores or fossil compounds, such as gas or oil, in order to improve both the anti-corrosion performance and the storage stability of same. The invention also concerns said corrosion-inhibiting formulations comprising at least one compound A.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: January 17, 2023
    Assignee: ARKEMA FRANCE
    Inventors: Tong Eak Pou, Denis Alonzo, Gilles Barreto, Kevin Hisler
  • Publication number: 20230009871
    Abstract: An electrolyte composition including: i) at least one lithium salt; ii) at least one nonaqueous solvent; and iii) at least one product from reaction of a mixture including: a) at least one diamine selected from: a1) a linear aliphatic C2 to C24 diamine; and/or a2) a cycloaliphatic C6 to C18 diamine; and/or a3) an aromatic, preferably C6 to C24, diamine; b) at least one saturated hydroxylated C3-C36 carboxylic acid; c) at least one monoacid selected from saturated linear and non-hydroxylated C2 to C18 carboxylic acids; the composition having a viscosity measured at 23° C. ranging from 101 to 107 mPa·s.
    Type: Application
    Filed: November 5, 2020
    Publication date: January 12, 2023
    Applicant: ARKEMA FRANCE
    Inventors: Gregory SCHMIDT, Dmitri COLESNIC
  • Patent number: 11548904
    Abstract: The invention relates to a compound of following formula (I), and also to the addition salts thereof with an organic or mineral base, the solvates such as hydrates and the mixtures thereof; to the use thereof as a surfactant, wetting agent, detergent, emulsifier, dispersant, corrosion inhibitor, plasticizer, sequestering agent, ionic liquid, stabilizer, lubricant, bitumen additive, gelling agent in oils, flotation collector for ores, adjuvant in the manufacture of plastic objects, anti-static agent, additive for fertiliser coverings and for enhanced oil recovery, and also to the compositions comprising at least one compound of formula (I) and/or a salt thereof, alone or as a mixture.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: January 10, 2023
    Assignee: Arkema France
    Inventors: Juan Antonio Gonzalez Leon, Jean-Philippe Gillet, Gilles Barreto, Carl Bouret
  • Patent number: 11542354
    Abstract: Curable compositions include a urethane (meth)acrylate oligomer having a number—average molecular weight of at least 6000 g/mol; at least one mono(meth)acrylate monomer; a multifunctional crosslinking monomer chosen from acrylate monomers, methacrylate monomers, or combinations thereof; and an ethylene-vinyl acetate grafted terpolymer. The mono(meth)acrylate monomers may include a first mono(meth)acrylate with Tg between 50° C. and 175° C. and a second mono(meth)acrylate with Tg between ?50° C. and 30° C. The curable compositions may be applied onto a surface of a substrate then cured to form a low-tack adhesive layer on the surface. The curable compositions may be cured by exposure to visible radiation, UV radiation, LED radiation, laser radiation, electron-beam radiation, peroxide, accelerator, or heat. Methods for bonding substrates include contacting a second substrate to a tow-tack adhesive layer on a first substrate, then heating the low-tack adhesive layer to bond the substrates and form a laminate.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: January 3, 2023
    Assignee: Arkema France
    Inventors: Michael A. Bailey, Jeffrey Klang
  • Publication number: 20220410500
    Abstract: The present invention relates to a method for evaluating an assembly by welding of parts made of thermoplastic materials, to a test piece and its associated uses, to an installation for implementing this method and to the associated welding system.
    Type: Application
    Filed: November 25, 2020
    Publication date: December 29, 2022
    Applicants: ARKEMA FRANCE, INSTITUT DE SOUDURE
    Inventors: Aurélien PHILIPPE, Philippe KLEIN, Michel GLOTIN
  • Publication number: 20220411550
    Abstract: A copolymer including fluorinated units of formula (I): —CX1X2—CX3X4—??(I) in which each of the X1, X2, X3 and X4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated; and fluorinated units of formula (II): —CX5X6—CX7Z—??(II) in which each of the X5, X6 and X7 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, and in which Z is a photoactive group of formula —Y—Ar—R, Y representing an oxygen atom or an NH group or a sulfur atom, Ar representing an aryl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms. Also, a process for preparing this copolymer, a composition including this copolymer, and a film obtained from this copolymer.
    Type: Application
    Filed: December 16, 2019
    Publication date: December 29, 2022
    Applicants: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Fabrice DOMINGUES DOS SANTOS, Thibaut SOULESTIN, Georges HADZIIOANNOU, Eric CLOUTET, Cyril BROCHON, Konstantinos KALLITSIS
  • Patent number: 11534743
    Abstract: The invention relates to a composition comprising: at least one alkane-sulphonic acid R—SO3H wherein R represents a saturated, linear or branched, hydrocarbon chain comprising from 1 to 4 carbon atoms, which can or cannot be substituted by at least one halogen atom; sulphuric acid; and optionally at least one solvent; of which the proportions are defined in the description. The invention also relates to the use of the composition as a fatty acid esterification catalyst.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: December 27, 2022
    Assignee: ARKEMA FRANCE
    Inventors: Jean-Alex Laffitte, Bernard Monguillon, Vijay Srinivas
  • Publication number: 20220402170
    Abstract: A method for manufacturing an impregnated fibrous material comprising at least one fibrous material made of continuous fibres and at least one thermoplastic polymer matrix comprises a step of pre-impregnating the fibrous material with a thermoplastic polymer matrix in powder form. This step is carried out dry in a tank comprising a fluidized bed, while keeping the level h of the powder and the mass m of the powder present in the tank substantially constant. The level h is from hi to hi?3%, during implementation of the pre-impregnation step, and hi is the initial level of the powder in the tank at the start of implementation of the pre-impregnation step, the mass m is from mi to mi±0.5% during implementation of the pre-impregnation step, and mi is the initial mass of the powder in the tank at the start of implementation of the pre-impregnation step.
    Type: Application
    Filed: November 5, 2020
    Publication date: December 22, 2022
    Applicant: Arkema France
    Inventors: Thibaut SAVART, Arthur Pierre BABEAU, Axel SALINIER, Denis HUZE
  • Publication number: 20220403206
    Abstract: Disclosed is a composition including at least one polymer, wherein the polymer is in the form of a powder, and wherein the polymer includes at least one thermoplastic polymer. The thermoplastic polymer is selected from at least one polyaryletherketone and/or a copolymer and/or a block-copolymer and/or a polymer blend thereof, wherein the composition has a melt volume rate (MVR) of at least 5 cm3/10 min and a process of manufacturing and a use thereof. Also disclosed are a process for the manufacture of a construction element and the construction element thereof.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 22, 2022
    Applicants: Arkema France, EOS GmbH Electro Optical Systems
    Inventors: Benoît Brule, Nadine Decraemer, Daniel Froehlich, Verena Galitz, Sabine Tutzschky, Andreas Pfister
  • Publication number: 20220397237
    Abstract: Method for preparing a hydrogen tank including at least one sealing layer of a composition including at least one polyamide P1, and at least one base in order to provide the tank with at least one opening, wherein the method includes: providing of at least one base, the at least one base being covered by at least one layer of a composition including at least one adhesion primer; preparing the at least one sealing layer; fastening the at least one base to the at least one sealing layer.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 15, 2022
    Applicant: ARKEMA FRANCE
    Inventors: Nicolas DUFAURE, Antoine GOUPIL, Olivier MERLE, Patrick DANG
  • Publication number: 20220396713
    Abstract: A pulverulent composition for the manufacture of articles having a metallic appearance that is stable over time and an improved resistance to penciling, the composition including: from 50 to 99.9% by weight of at least one thermoplastic polymer, from 0.1 to 5% by weight of at least one effect pigment, from 0 to 0.3% by weight of at least one metallic pigment relative to the total weight of the composition.
    Type: Application
    Filed: February 25, 2022
    Publication date: December 15, 2022
    Applicant: Arkema France
    Inventors: Gregory FILOU, Cyrille MATHIEU
  • Patent number: 11525021
    Abstract: The present invention relates to a composition comprising a multistage polymer and a (meth)acrylic polymer, its process of preparation, and its use. In particular, the present invention relates to a composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, while the (meth)acrylic polymer possesses a medium molecular weight. The present invention also relates to polymer composition comprising polymeric particles made by a multistage process comprising at least two stages and a (meth)acrylic polymer with a medium molecular weight, its method of preparation, its use as impact modifier in polymer compositions for composites comprising thermosetting resins or thermoplastic polymers and compositions and articles comprising it.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: December 13, 2022
    Assignee: Arkema France
    Inventors: Philippe Hajji, Rosangela Pirri, Rabi Inoubli, Aline O. Couffin
  • Publication number: 20220387923
    Abstract: The present invention relates to the use of a zeolitic adsorbent material based on faujasite (FAU) zeolite crystals, the Si/AI mole ratio of which is between 1.00 and 1.20, and the non-zeolitic phase (NZP) content of which is such that 0<NZP?25%, for the non-cryogenic separation of industrial gases by (V)PSA, in particular of the air gases. The invention also relates to respiratory assistance machines comprising at least said zeolitic adsorbent material.
    Type: Application
    Filed: November 23, 2020
    Publication date: December 8, 2022
    Applicant: Arkema France
    Inventors: Guillaume Ortiz, Quitterie Persillon
  • Patent number: 11518873
    Abstract: Useful articles, such as coatings, adhesives, printed graphics, 3D printed articles and molded articles are prepared by curing compositions containing one or more salts of ethylenically unsaturated carboxylic acids comprising six or more carbon atoms, one or more multifunctional (meth)acrylate oligomers and one or more mono(meth)acrylate esters of alcohols which, when polymerized as homopolymers, have glass transition temperatures of at least 50° C.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: December 6, 2022
    Assignee: Arkema France
    Inventors: Thomas W. Hazell, William Wolf, Florian J. David