Patents Assigned to Arkema France
  • Patent number: 10479757
    Abstract: The invention relates to the use of 2,6,-di-tert-butyl-4-methylphenol at a moiety of 25 to 200 ppm for stabilizing N,N-dimethylaminoethyl acrylate in respect of discoloring effects. The invention also relates to an N,N-dimethylaminoethyl acrylate stabilized in said manner and to a method for producing the same.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: November 19, 2019
    Assignee: Arkema France
    Inventors: Fanny Dubut, Benoit Riflade, Sandra Maget
  • Patent number: 10479746
    Abstract: The present invention concerns a method for purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) from a first composition comprising 2,3,3,3-tetrafluoro-1-propene and at least one of the compounds chosen from the group consisting of 1,1-difluoroethane (152a), chloropentafluoroethane (115), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E) said method comprising the steps consisting of: a) bringing said first composition into contact with at least one organic extractant in order to form a second composition; b) extractive distillation of said second composition in order to form (i) a third composition comprising said organic extractant and said at least one of the compounds chosen from the group consisting of 1,1-difluoroethane (152a) chloropentafluoroethane (115), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E); and ii) a stream comprising 2,3,3,3-tetrafluoro-1-propene. The invention also concerns a method for producing and purifying 2,3,3,3-tetrafluoro-1-propene.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: November 19, 2019
    Assignee: ARKEMA FRANCE
    Inventors: Abdelatif Baba-Ahmed, Bertrand Collier, Dominique Deur-Bert, Laurent Wendlinger
  • Publication number: 20190345643
    Abstract: A process for manufacturing a fiber including polyetherketoneketone including the steps of: mixing polyetherketoneketone and sulfuric acid having a concentration of at least 90 wt % to obtain a spin dope and passing the spin dope through a spinneret into a coagulation bath, wherein the polyetherketoneketone is dissolved in the sulfuric acid to a concentration of 12 to 22 wt %. Also disclosed are fibers obtainable by the process and polyetherketoneketone fibers having a sulfur content of 0.001 to 5 wt %, based on the weight of the fiber, in particular such fibers having low or high crystallinity, as well as, hybrid yarns and composite materials.
    Type: Application
    Filed: November 8, 2017
    Publication date: November 14, 2019
    Applicants: TEIJIN ARAMID B.V., ARKEMA FRANCE
    Inventors: Hanneke BOERSTOEL, Bert GEBBEN, Wido NIJENHUIS, Julien JOUANNEAU, Philippe BUSSI
  • Patent number: 10471677
    Abstract: A tubular structure for transporting heat transfer fluid including at least: i) a layer (1) in contact with the fluid including at least one thermoplastic polymer P1 that is semicrystalline with Tm1 greater than or equal to 160° C., as determined according to the standard 1 1357-3 (2013) or amorphous with Tg1 greater than or equal to 100° C., as determined according to the standard 1 1357-2 (2013), said layer (1) containing no fibers, ii) a layer (2) including at least: (a) a thermoplastic polymer P2 that is semicrystalline, in particular a polyamide with Tm2 greater than or equal to 170° C. or amorphous with Tg2 greater than or equal to 100° C., or a polyolefin with Tm greater than 100° C.; (b) continuous fibers, the polymer P2 being identical to P1 or different from P1 in which case the polymers P1 and P2 adhere at least partially to one another.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: November 12, 2019
    Assignee: ARKEMA FRANCE
    Inventors: Benoît Brule, Nicolas Dufaure, Estelle Meurice Pierrat
  • Publication number: 20190337874
    Abstract: The use of a C3 to C6 alkene compound including a sole double bond, for limiting or preventing the isomerization of trans-1-chloro-3,3,3-trifluoropropene to cis-1-chloro-3,3,3-trifluoropropene. Also, a composition including 1-chloro-3,3,3-trifluoropropene and a C3 to C6 alkene compound including a sole double bond, and also to various uses of this composition, such as a process for heating or cooling a fluid.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Applicant: ARKEMA FRANCE
    Inventors: Wissam Rached, Sophie Guerin, Pascale Kindler
  • Publication number: 20190338078
    Abstract: The present invention relates to an extrudable polymer composition comprising: 99.5 to 99.95% of at least one hard-soft block copolymer comprising: at least 25% by weight of soft block polyethylene glycol (PEG) with functionality equal to 2, with respect to the total weight in copolymer; from 0.05 to 0.5% by weight of at least one polyol comprising at least three hydroxyl groups, with respect to the total weight of the composition; characterised in that: the weight-average molecular mass of said copolymer is at least equal to 100,000 g/mol; and the weight-average molecular mass of the polyol is at least equal to 1000 g/mol; and said at least one polyol binding hard copolymer blocks by ester bonds. This invention relates in particular to the use of said composition in extrusion processes for manufacturing vapour-permeable objects.
    Type: Application
    Filed: November 14, 2017
    Publication date: November 7, 2019
    Applicant: Arkema France
    Inventors: Quentin PINEAU, Thierry Briffaud, Karine Loyen, Laure Berdin
  • Publication number: 20190338325
    Abstract: Provided is process for the synthesis of at least one functionalized organic polysulfide.
    Type: Application
    Filed: December 21, 2017
    Publication date: November 7, 2019
    Applicant: Arkema France
    Inventors: Georges Fremy, Arnaud Masselin
  • Patent number: 10463889
    Abstract: The present invention relates to cosmetic compositions used in the care and make-up field. This composition mainly comprising a continuous aqueous phase, a fatty phase and a fine and porous pulverulent copolyamide powder phase, is in the form of creamy, liquid or gelled compositions. This is in particular an emulsion, but it may also be a two-phase formulation or composition in which the fatty phase and aqueous phase are separate. The invention more particularly relates to cosmetic care and/or make-up compositions having a continuous aqueous phase in the case of an oil-in-water emulsion.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: November 5, 2019
    Assignee: Arkema France
    Inventor: Karine Loyen
  • Patent number: 10464042
    Abstract: The invention relates to an adsorbent article. The adsorbent article contains zeolitic particles which include at least one zeolitic adsorbent. The zeolitic particles are immobilized with at least one resin. According to one embodiment, the resin is in the form of particles, which can be melted to form bridges at points of contact between the zeolitic particles, thus immobilizing the zeolitic particles. The average size of the zeolitic particles can be between 0.03 mm and 3 mm. The zeolitic particles contain at least one zeolite and the zeolite content of the article is at least 60 weight percent, based on the weight of the article. The invention also relates to a method for separating a fluid from another fluid or from impurities, by contacting the fluid with the adsorbent article.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: November 5, 2019
    Assignee: Arkema France
    Inventors: Sean Michael Stabler, Serge Nicholas, Guillaume Ortiz, Cécile Lutz, Stéphane Kieger
  • Patent number: 10465078
    Abstract: The invention relates to an aqueous dispersion of polymer, based on structured polymer particles, said particles comprising a core polymer phase, based on a polymer P1 with Tg1 ranging from 60 to 120° C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from ?60 to 40° C. and a third outer polymer phase (or shell) based on a polymer P3, with a Tg3 ranging from Tg2?5° C. to Tg2+5° C. and having an Mn not exceeding 150 000, with the weight contents of said polymers P1, P2 and P3 being, relative to the total weight of polymer (P1+P2+P3): P1 from 5% to 60%, P2 from 40% to 85%, P3 from 5% to 25% with the sum of said weight contents being 100%.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: November 5, 2019
    Assignee: Arkema France
    Inventors: Isabelle Betremieux, Alain Boone, Jean-Yves Loze
  • Patent number: 10464258
    Abstract: A graft copolymer comprising: a core polymer comprising a crosslinked or non-crosslinked polysaccharide, a plurality of primary graft polymers covalently grafted to the core polymer, a plurality of secondary graft polymers covalently grafted to each primary graft polymer, an injectable dermal aesthetic formulation comprising such a graft copolymer and a method of preparing such a graft copolymer.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 5, 2019
    Assignee: ARKEMA FRANCE
    Inventors: Benoît Brule, Nadine Decraemer
  • Publication number: 20190329229
    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, at least one aryl-sulphonic acid; and optionally at least one solvent, of which the proportions are as defined in the description. The invention also relates to the use of composition in a fatty acid esterification method.
    Type: Application
    Filed: November 20, 2017
    Publication date: October 31, 2019
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Alex LAFFITTE, Bernard MONGUILLON, Kuan Huwa TAN
  • Patent number: 10457771
    Abstract: The present invention relates to a linear or branched structured hydroxylated or carboxylated polyester resin that is free of unsaturated fatty acids, that is made from an acid component and an alcohol component, said acid component comprising at least one C4 to C6 carboxylic polyacid or anhydride, and at least one C5 to C54 carboxylic polyacid or anhydride, and with said alcohol component comprising at least one biobased polyol having a functionality of at least 2 bearing a 1,4:3,6-dianhydrohexitol unit, and at least one of two polyols b2) and b3).
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: October 29, 2019
    Assignee: Arkema France
    Inventors: Gregory A. Delmas, Frank Cogordan, Herve W. Ozeray, Alain F. Riondel
  • Patent number: 10457630
    Abstract: The invention relates to a method for producing a (meth)acrylic ester with improved productivity, by transesterfication of a light alkyl (meth)acrylate with a heavy alcohol. The method of the invention includes the recycling of noble products recovered after the thermal treatment of heavy fractions generated during the synthesis, said thermal treatment being carried out in the presence of a dialkyl phthalate, the alkyl chain of which corresponds to that of the light alkyl (meth)acrylate. The invention applies to the production of N,N-dimethyaminoethyl acrylate from ethyl acrylate.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: October 29, 2019
    Assignee: Arkema France
    Inventors: Yves Cabon, Fanny Dubut, Benoit Riflade
  • Publication number: 20190322806
    Abstract: One subject of the present invention is a composition that combines at least one polyamide having at least one MXD entity, MXD denoting meta-xylylenediamine or a mixture of meta-xylylenediamine and of para-xylylenediamine, with a bioresourced reinforcement. The invention also relates to the conversion of these compositions, by injection moulding or extrusion, into objects that have good mechanical properties, said objects corresponding to technical application specifications such as may be found, for example, in the automotive industry, construction, sport and in electrical or electronic fields.
    Type: Application
    Filed: June 6, 2019
    Publication date: October 24, 2019
    Applicant: ARKEMA FRANCE
    Inventors: Benoit BRULE, Philippe BUSSI, Gilles HOCHSTETTER, Guillaume LE, Barbara RAMFEL
  • Patent number: 10449511
    Abstract: The present invention relates to a zeolite absorbent comprising at least one FAU zeolite with hierarchical porosity and comprising barium or barium and potassium, and the external surface area of which is greater than 20 m2·g?1, and the non-zeolite phase content being between 6% and 12% by weight with respect to the total weight of the absorbent. The present invention also relates to the use of such a zeolite absorbent as an adsorption agent, as well as the method for separation of para-xylene from aromatic isomer fractions with 8 carbon atoms.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: October 22, 2019
    Assignee: Arkema France
    Inventors: Ludivine Bouvier, Cecile Lutz, Catherine Laroche, Arnaud Baudot
  • Patent number: 10449509
    Abstract: The present invention concerns a method and an apparatus (10, 20) for a continuous preparation of organic peroxides, with the reactor comprising at least one flow channel (1, 1a, 1b) configured as a reaction zone; an inlet system (2) in fluid communication with a first end of the at least one flow channel and configured for introducing two or more substances or a combination of substances into the at least one flow channel; an outlet system (3) in fluid communication with a second end of the at least one flow channel, the second end being located downstream of the first end and the outlet system being configured for extracting a reaction product present at the second end; an oscillatory system (4, 5) configured for superimposing an oscillatory flow on the flow of substances passing through the at least one flow channel, the oscillatory being effected in at least a section of the at least one flow channel; and a controller configured to implement the method by controlling the inlet system to introduce, accordi
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: October 22, 2019
    Assignee: ARKEMA FRANCE
    Inventors: Albert Blum, Philippe Maj, Serge Hub
  • Patent number: 10450489
    Abstract: A process for cooling or heating a fluid or a body by means of a vapor compression circuit including a centrifugal compressor and containing a heat-transfer fluid, the heat-transfer fluid including at least two compounds selected from 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoropropene, 1,1-difluoroethane and 3,3,3-trifluoropropene, in which: the ratio of the Mach number of the centrifugal compressor to the Mach number which the centrifugal compressor has under the same operating conditions if the heat-transfer fluid is replaced with 1,1,1,2-tetrafluoroethane in the vapor compression circuit is greater than or equal to 0.97 and less than or equal to 1.03; the compression ratio of the centrifugal compressor is less than or equal to the compression ratio which the centrifugal compressor has under the same operating conditions if the heat-transfer fluid is replaced with 1,1,12-tetrafluorethane in the vapor compression circuit.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: October 22, 2019
    Assignee: ARKEMA FRANCE
    Inventor: Wissam Rached
  • Patent number: 10450488
    Abstract: A composition including 2,3,3,3-tetrafluoropropene and a lubricating oil including a polyalkylene glycol and a polyol ester, the polyol ester content in the lubricating oil being less than or equal to 25%. A method of lubricating a vapor compression circuit, the method including using a mixture including a polyalkylene glycol and a polyol ester as lubricating oil in the vapor compression circuit, in combination with a heat transfer fluid comprising 2,3,3,3-tetrafluoropropene, the content of polyol ester in the lubricating oil being less than or equal to 25%. Further, the use of said composition in methods for heating or cooling.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: October 22, 2019
    Assignee: ARKEMA FRANCE
    Inventor: Béatrice Boussand
  • Publication number: 20190318855
    Abstract: A sinterable magnetic powder composition including: from 50 to 95% of a powder magnet; and from 5 to 50% by weight of at least one thermoplastic polymer; for the total weight of the composition, said powder composition having a D50 comprised within the range of 0.1 to 100 ?m. And, to the use of the composition in processes used to agglomerate powders, layer by layer, by melting or sintering, for manufacturing three-dimensional magnetic objects.
    Type: Application
    Filed: November 20, 2017
    Publication date: October 17, 2019
    Applicant: Arkema France
    Inventors: Arnaud LEMAITRE, François TANGUY