Patents Assigned to SOLVAY SPECIALTY POLYMER ITALY S.P.A.
  • Patent number: 11565217
    Abstract: The invention pertains to a polyaryl ether sulfone polymer solution [solution (SP)] comprising: —at least one sulfone polymer [polymer (PSI)] having recurring units, wherein more than 50% moles, with respect to all the recurring units of polymer (PSI), are recurring units (RPSI) selected from the group consisting of those of formulae (RPSI-1) and (RPSI-2) herein below: (RPSI-1) (RPSI-2) wherein: —each of E?, equal to or different from each other and at each occurrence, is selected from the group consisting of those of formulae (E?-1) to (E?-3): (E?-I) (E?-II) (E?-III) —each R? is independently selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; and —j? is zero or an integer of 1 to 4; is a bond or a divalent group optionally comprising one or more than one heteroatom; preferably
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: January 31, 2023
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.p.A.
    Inventors: Emanuele Di Nicolo′, Pasquale Campanelli, Narmandakh Taylor
  • Patent number: 11554351
    Abstract: The present invention relates to a porous membrane, process for the manufacture thereof and uses thereof.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: January 17, 2023
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Emanuele Di Nicolo', Silvia Rita Petricci, Pasquale Campanelli, Lionel De Beauffort
  • Patent number: 11555094
    Abstract: The present invention relates to a method for stabilizing aqueous dispersions, notably of polymers based on vinylidene fluoride (VDF), and to the use of the stabilized aqueous dispersion thus obtained in electrochemical applications.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: January 17, 2023
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Serena Carella, Eliana Ieva, Mirko Mazzola, Giulio Brinati
  • Publication number: 20230002518
    Abstract: The present invention relates to a process for preparing a fluoropolymer in a liquid reaction medium, comprising the following steps: provide a reactor containing a liquid reaction medium comprising water introduce in said reactor ethylene monomers and fluorinated monomers, said fluorinated monomers being selected from tetrafluoroethylene (TFE), chlorotrifluoroethylene (CTFE) or mixtures thereof, pressurize the reactor, initiate polymerization feeding into said reactor a redox initiator comprising an oxidising agent and a reducing agent, wherein said reducing agent in said redox couple initiator is free from sulphur atoms having an oxidation number of 4 or below, wherein the reaction medium is free of fluorinated surfactants.
    Type: Application
    Filed: December 9, 2020
    Publication date: January 5, 2023
    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Stefana Musio, Fiorenza D'aprile, Serena Carella, Valeriy Kapelyushko, Bradley Lane Kent, Alessio Marrani
  • Patent number: 11525070
    Abstract: The present invention relates to novel (per)fluoropolyether (PFPE) polymers, to a process for their manufacture and to their use as additives in coating compositions.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: December 13, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Simonetta Antonella Fontana, Antonio Puppo, Pier Antonio Guarda
  • Patent number: 11485804
    Abstract: The present invention relates to a fluorosurfactant-free emulsion polymerization method for the synthesis of a fluoropolymer, more in particular of a VDF-based polymer.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: November 1, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Fiorenza D'Aprile, Valeriy Kapelyushko, Bradley Lane Kent, Giulio Brinati, Laura Ponta
  • Patent number: 11485860
    Abstract: The present invention relates to a polymer alloy comprising a sulphur-containing aromatic polymer and at least one fluoroelastomer, which has improved dispersibility and improved mechanical properties. The invention also relates to a process for the preparation of said polymer alloy and to an article comprising the same.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: November 1, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Aldo Sanguineti, Marco Mirenda
  • Publication number: 20220332854
    Abstract: The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO.sub.3X.sub.a, —PO.sub.3X.sub.a and —COOX.sub.a, whereas X.sub.a is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 20, 2022
    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Marco Avataneo, Ugo De Patto, Giuseppe Marchionni, Mirko Tavano
  • Patent number: 11459429
    Abstract: The invention pertains to a perfluoroelastomer composition comprising: at least one perfluoroelastomer comprising iodine and/or bromine atoms [perfluoroelastomer (A)]; from 0.5 to 5 weight parts, per 100 parts by weight of said perfluoroelastomer (A), of at least one bis-olefin [bis-olefin (OF)] having general formula (1) wherein R1, R2, R3, R4, R5 and R6, equal or different from each other, are H, a halogen, or a C1-C5 optionally halogenated group, possibly comprising one or more oxygen group; Z is a linear or branched C1-C18 optionally halogenated alkylene or cycloalkylene radical, optionally containing oxygen atoms, or a (per)fluoropolyoxyalkylene radical; from 0.1 to 3 weight parts, per 100 parts by weight of said perfluoroelastomer (A), of at least one organic peroxide; from 0.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 4, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Matteo Fantoni, Stefano Arrigoni, Stefano Bossolo, Marco Avataneo
  • Patent number: 11441007
    Abstract: The invention pertains to a composition (C1) comprising: at least one (meth)acrylic modified VDF polymer [polymer (A)] comprising recurring units derived from comprising recurring units derived from vinylidene fluoride (VDF) monomer and at least one hydrophilic (meth)acrylic monomer (MA) of formula (I), wherein each of R1, R2, R3, equal or different from each other, is independently a hydrogen atom or a C1-C3 hydrocarbon group, and ROH is a hydrogen or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group; at least one inorganic UV blocker compound in an amount not exceeding 5% wt, with respect to the weight of polymer (A), to multilayer assemblies comprising one layer made from said composition (C1), to a method for manufacturing said multilayer assemblies and to the use of the same in different field of use, including protection of PV modules.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: September 13, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Stefano Mortara, Julio A. Abusleme
  • Patent number: 11427680
    Abstract: The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers, to certain novel (per)fluoropolyether polymers. The present invention also relates to the use of the (per)fluoropolyether polymers thus obtained as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM).
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: August 30, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Cristiano Monzani, Vito Tortelli, Marco Galimberti, Roberto Valsecchi, Patrizia Maccone
  • Patent number: 11427662
    Abstract: The invention pertains to a fluoropolymer composition comprising certain tetrafluoroethylene/perfluoromethyvinylether copolymers having well-defined TFE/MVE monomer composition and possessing low molecular weight and a white pigment, to the use of this latter for manufacturing shaped articles, and to shaped articles therefrom, including components of light emitting apparatuses, e.g. LED assemblies.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: August 30, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Pasqua Colaianna, Mattia Bassi, Giambattista Besana, Claudia Manzoni, Luca Colombo, Mehdi Emad
  • Patent number: 11414506
    Abstract: The present invention pertains to a process for manufacturing a semi-crystalline fluoropolymer, to the fluoropolymer obtainable by said process and to uses of said fluoropolymer in various applications.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: August 16, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Mattia Bassi, Alessio Marrani, Fulvia Roncati, Eliana Ieva, Valeriy Kapelyushko
  • Patent number: 11407896
    Abstract: The present invention relates to a polymer alloy comprising a sulphur-containing aromatic polymer and at least one fluoropolymer, which has improved dispersibility and improved mechanical properties. The invention also relates to a process for the preparation of said polymer alloy and to an article comprising the same.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: August 9, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Aldo Sanguineti, Marco Mirenda
  • Patent number: 11401352
    Abstract: The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO3Xa, —PO3Xa and —COOXa, whereas Xa is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: August 2, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Marco Avataneo, Ugo De Patto, Giuseppe Marchionni, Mirko Tavano
  • Patent number: 11376815
    Abstract: The present invention pertains to a multilayer assembly, to a process for the manufacture of said multilayer assembly, to a pipe comprising said multilayer assembly and to uses of said pipe in various applications.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: July 5, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Pasqua Colaianna, Amelia Mennella, Serena Carella, Marco Colladon, Stephen Edmondson
  • Patent number: 11370906
    Abstract: The invention pertains to a fluoropolymer composition comprising: —at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE) [ECTFE polymer]; —at least one water-soluble polyelectrolyte [polyelectrolyte (E)]; and—at least one antioxidant compound [compound (P)], said composition having improved thermal resistance.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: June 28, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Serena Carella, Giambattista Besana, Suneel Bandi, Bradley Lane Kent
  • Patent number: 11338558
    Abstract: The invention pertains to a multilayer assembly comprising: (L1) a first inner layer [layer (L1)] made from a first composition [composition (C1)], said composition (C1) comprising: at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE), and at least one Ti compound; and (L2) a second outer layer [layer (L2)] made from a second composition [composition (C2)], said composition (C2) being substantially free from TiO2-containing additives, said second composition comprising at least one semi-crystalline polymer comprising recurring units derived from ethylene and from at least one fluoromonomer selected from chlorotrifluoroethylene (CTFE), tetrafluoroethylene (TFE) and mixtures thereof, said semi-crystalline polymer having a heat of fusion of at least 35 J/g [polymer (A)].
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: May 24, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Serena Carella, Mattia Bassi, Stefano Mortara, Paolo Toniolo, Julio A. Abusleme
  • Patent number: 11329317
    Abstract: The present invention relates to a novel liquid electrolyte to be used in lithium batteries, said electrolyte comprising a lithium salt and a (per)fluoropolyether (PFPE) polymer.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: May 10, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Silvia Rita Petricci, Patrizia Serenella Maccone, Libero Damen, Christine Hamon, Andrea Vittorio Oriani
  • Patent number: 11319387
    Abstract: The present invention pertains to a ferroelectric fluoropolymer, to a process for manufacturing said fluoropolymer and to uses of said fluoropolymer in electric and/or electronic applications.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 3, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Alessio Marrani, Francesco Pedroli