Patents Assigned to Solvay
  • Process for etching, and chamber cleaning and a gas therefor
    Patent number: 11149347
    Abstract: The present invention relates to a process for cleaning chambers of apparatus used for semiconductor manufacturing with a gas mixture comprising or consisting of fluorine, nitrogen and argon as well as said gas mixtures.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: October 19, 2021
    Assignees: Solvay SA, FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEW ANDTEN FORSCHUNG E.V.
    Inventors: Michael Pittroff, Robert Wieland, Jamila Boudaden
  • Fluoropolymer membrane for electrochemical devices
    Patent number: 11145893
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: October 12, 2021
    Assignees: Solvay SA, Commissariat à l'Énergie Atomique et aux Énergies Aternatives
    Inventors: Christine Hamon, Julio A. Abusleme, Marc-David Braida, Hélène Rouault, Djamel Mourzagh, Gaëlle Besnard, Daniel Tomasi
  • Multilayer composition and process of making
    Patent number: 11136671
    Abstract: The present invention relates to a composition in the form of sheet or layer comprising a layer of an aromatic polymer and a layer of metal adhering to at least one side of said polymeric sheet, and to its uses.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: October 5, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Paula Cojocaru, Andrea Vittorio Oriani, Stefano Mauri, Marco Apostolo
  • Vinylidene chloride polymer composition comprising at least one sorbate ester
    Patent number: 11124584
    Abstract: The invention pertains to an improved PVDC composition including certain dienophiles qualified for food contact, which possess an optimized balance of effectiveness in preventing discoloration upon exposure to radiation, with no negative impact on the barrier properties, in particular sorbate esters of formula (I), wherein R1 is a C1-C12 hydrocarbon group, preferably a C1-C6 alkyl group, to layers made therefrom, to multi-layer assemblies comprising the same, and to the use of said assemblies for packaging, in particular for packaging foodstuffs.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: September 21, 2021
    Assignees: Solvay SA, Centre National de la Recherche Scientifique, Université d'Aix-Marseille
    Inventors: Elodie Chauvet, Didier Gigmes, Yohann Guillaneuf, Agnès Chapotot, Jérôme Vinas, Pascal Dewael, Yves Vanderveken
  • Alkali metal bicarbonate particles with increased dissolution time
    Patent number: 11124425
    Abstract: Powder compositions comprising alkali metal bicarbonate particles and an additive. A process for preparing alkali metal bicarbonate particles by spray-drying of an aqueous solution or suspension comprising 1-10% by weight of alkali metal bicarbonate and a resin acid or a fatty acid as additive. A process for preparing alkali metal bicarbonate particles by co-grinding the alkali metal bicarbonate in the presence of a resin acid as additive. A process for preparing alkali metal bicarbonate particles by fluidized bed coating of the alkali metal bicarbonate in the presence of a resin acid, fatty acid or a wax as additive.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: September 21, 2021
    Assignee: Solvay SA
    Inventors: David Jean Lucien Savary, Jean-Yves Seguin, Karine Cavalier
  • Fluoroelastomer composition
    Patent number: 11124640
    Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: September 21, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Stefano Bossolo, Marco Avataneo, Stefano Millefanti, Michael J. Cox
  • Dense fluoropolymer film
    Patent number: 11118044
    Abstract: The present invention pertains to a process for the manufacture of a dense film. The process includes processing, in a molten phase, a solid composition [composition (C)] comprising; at least one vinylidene fluoride (VDF) fluoropolymer comprising one or more carboxylic acid functional end groups [polymer (F)], at least one poly(alkylene oxide) (PAO) of formula (I): HO—(CH2CHRAO)n—RB??(I) wherein RA is a hydrogen atom or a C1-C5 alkyl group, RB is a hydrogen atom or a —CH3 alkyl group and n is an integer comprised between 2000 and 40000, preferably between 4000 and 35000, more preferably between 11500 and 30000, and -optionally, at least one inorganic filler [filler (I)]; thereby providing a dense film having a thickness of from 5 ?m to 30 ?m. The present invention also pertains to the dense film provided by this process and to the use of the dense film as dense separator in electrochemical devices.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: September 14, 2021
    Assignee: SOLVAY SPECIALTY POLYMER ITALY S.P.A.
    Inventors: Julio A. Abusleme, Christine Hamon, Giorgio Canil, Marco Mirenda
  • Stabilizer compounds
    Patent number: 11111358
    Abstract: A piperidine-based stabilizer compound of formula (I) or (II) that imparts UV, thermal, and/or thermo-oxidative stability to polymer compositions and more specifically to aromatic polymers and polymer compositions thereof.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 7, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC
    Inventors: Joel Pollino, Gregory Goschy, Satchit Srinivasan
  • Electrode-forming composition
    Patent number: 11114667
    Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of an electrode, to said electrode and to an electrochemical device comprising said electrode. The electrode-forming composition comprises at least one partially fluorinated fluoropolymer comprising recurring units derived from at least one fluorinated monomer and at least one functional hydrogenated monomer comprising at least one carboxylic acid end group, at least one electro-active compound, at least one liquid medium comprising at least one organic carbonate or at least one ionic liquid, and at least one metal salt.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: September 7, 2021
    Assignees: Solvay SA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Olivier Pras, Hélène Rouault, Aurélie Guyomard-Lack, Jean Le Bideau, Dominique Guyomard, Bernard Lestriez, Christine Hamon, Marc-David Braida, Julio A. Abusleme
  • Reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid
    Patent number: 11111201
    Abstract: The present invention concerns a process for the reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid. The invention further concerns a process for the manufacture of carboxylic acid anhydrides comprising the process for the reduction of content of carboxylic acids and derivatives thereof from oleum, disulfuric acid or concentrated sulfuric acid.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: September 7, 2021
    Assignee: Solvay SA
    Inventors: Jean-Marie Blaude, Benoit Gosselin, Alain Lambert, Matthias Marek, Harald Krueger, Jan Schostag, Miriam Heyd
  • Piperidine-based stabilizers and polymers end-capped with the same
    Patent number: 11111215
    Abstract: The invention relates to piperidine-based compounds of formula (I) that are used to improve UV, thermal, and thermo-oxidative stability of high performance aromatic polymers in a blend or as end-cappers of the same polymers.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 7, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC
    Inventors: Joel Pollino, Satchit Srinivasan, Henry Bradley, Claire Hartmann-Thompson, Gregory Goschy
  • Shielded cables
    Patent number: 11094428
    Abstract: The present invention relates to a cable, suitable for both electrical and data transmission, comprising at least one shield layer, comprising a metal layer directly adhering onto the polymeric layer.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: August 17, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Massimo Genoni, Stefano Mauri, Mattia Bassi, Marco Apostolo, Marco Avataneo
  • Fluoropolymer compositions comprising a copolymer of vinylidene fluoride and trifluoroethylene and a fluorinated elastomer
    Patent number: 11084923
    Abstract: The present invention pertains to a fluoropolymer composition comprising a copolymer of vinylidene fluoride (VDF) and trifluoroethylene (TrFE), to a process for the manufacture of said fluoropolymer composition and to uses of said fluoropolymer composition in various applications, in particular to uses of fluoropolymer films obtainable therefrom in electrical or electronic devices.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: August 10, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Alessio Marrani, Francesco Pedroli
  • Fluoropolymer composition
    Patent number: 11084922
    Abstract: The invention pertains to a fluoropolymer composition [composition (C)] comprising:—at least one semi-crystalline polymer comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g [polymer (A)]; and—from 0.05 to 15% by weight, based on weight of polymer (A), of at least one ethylene copolymer with at least one long chain a-olefin having a number of carbon atoms of 6 or more, and possessing a density of less than 0.900 g/cm3, as determined according to ASTM D792; to a method for its manufacture and to its use for manufacturing cables.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: August 10, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Serena Carella, Caterina Bocchia, Giulio Brinati, Antonello Casale
  • Fluoropolymer membrane for electrochemical devices
    Patent number: 11088419
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: August 10, 2021
    Assignees: Commissariat à L'énergie Atomique et aux énergies Alternatives, Solvay SA
    Inventors: Julio A. Abusleme, Marc-David Braida, Christine Hamon, Hélène Rouault, Djamel Mourzagh, Gaëlle Besnard, Daniel Tomasi
  • Coated battery separator
    Patent number: 11081760
    Abstract: The present invention pertains to an at least partially coated separator for an electrochemical cell, to a method for its preparation and to an electrochemical cell comprising such separator.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: August 3, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Maurizio Biso, Elena Molena, Roberta Colombo
  • Composite electrodes
    Patent number: 11081692
    Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of a composite electrode, to said composite electrode and to a secondary battery comprising said composite electrode.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: August 3, 2021
    Assignees: Solvay SA, Commissariat à 'Énergie Atomique et aux Énergies Alternatives
    Inventors: Olivier Pras, Helene Rouault, Julio A. Abusleme
  • Ni BASED LITHIUM-ION SECONDARY BATTERY COMPRISING A FLUORINATED ELECTROLYTE
    Publication number: 20210234200
    Abstract: A liquid electrolyte lithium secondary battery cell comprising: —a positive electrode material comprising a lithium transition metal-based oxide powder having a general formula Li1+a ((Niz (Ni0.5Mn0.5)y Cox)1-k Ak)1-a O2, wherein A is a dopant, ?0.025?a?0.025, 0.18?x?0.22, 0.42?z?0.52, 1.075<z/y<1.625, x+y+z=1 and k?0.01; and—an electrolyte composition comprising: a) at least one cyclic carbonate, b) at least one fluorinated acyclic carboxylic acid ester, c) at least one electrolyte salt, d) at least one lithium compound selected from lithium phosphate compounds, lithium boron compounds, lithium sulfonate compounds and mixtures thereof, e) at least one cyclic sulfur compound, and f) optionally at least one cyclic carboxylic acid anhydride.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 29, 2021
    Applicants: Umicore, Solvay S.A.
    Inventors: JiHye KIM, Jens PAULSEN, AReum PARK, Dae-Hyun KIM, Hee-Sung GIL, Jean-Sébastien BRIDEL, Ji-Hye WON, Moon-Hyung CHOI, Mi-Soon OH, Hyuncheol LEE, Lawrence Alan HOUGH, Hae-Young KIM
  • Method for manufacturing an aqueous latex comprising particles of a fluoropolymer
    Patent number: 11066501
    Abstract: The present invention pertains to a method for manufacturing a melt-processible fluoropolymer, to the melt-processible fluoropolymer obtainable by the process and to uses of the melt-processible fluoropolymer in various applications.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: July 20, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Mattia Bassi, Alessio Marrani, Valeriy Kapelyushko
  • Method for cross-linking polymers
    Patent number: 11059922
    Abstract: The invention relates to a method for manufacturing a cross-linked polymer comprising reacting at least one polymer having at least one —SO2X group, with X being F or Cl, a basic compound, and certain salts including a ring-quaternized pyridinium-type nitrogen, and possessing at least two groups in ortho or para position thereto comprising reactive hydrogen atoms; cross-linking has been proven to proceed effectively, delivering cross-linked polymers possessing improved chemical resistance and mechanical performances.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: July 13, 2021
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Stefano Bossolo, Claudio Oldani, Claudia Manzoni