Patents Assigned to SOLVAY SPECIALTY POLYMER ITALY S.P.A.
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Patent number: 11565217Abstract: 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; preferablyType: GrantFiled: March 14, 2017Date of Patent: January 31, 2023Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.p.A.Inventors: Emanuele Di Nicolo′, Pasquale Campanelli, Narmandakh Taylor
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Patent number: 11554351Abstract: The present invention relates to a porous membrane, process for the manufacture thereof and uses thereof.Type: GrantFiled: August 7, 2017Date of Patent: January 17, 2023Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Emanuele Di Nicolo', Silvia Rita Petricci, Pasquale Campanelli, Lionel De Beauffort
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Patent number: 11555094Abstract: 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: GrantFiled: March 20, 2018Date of Patent: January 17, 2023Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Serena Carella, Eliana Ieva, Mirko Mazzola, Giulio Brinati
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Publication number: 20230002518Abstract: 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: ApplicationFiled: December 9, 2020Publication date: January 5, 2023Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefana Musio, Fiorenza D'aprile, Serena Carella, Valeriy Kapelyushko, Bradley Lane Kent, Alessio Marrani
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Patent number: 11525070Abstract: 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: GrantFiled: July 30, 2018Date of Patent: December 13, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Simonetta Antonella Fontana, Antonio Puppo, Pier Antonio Guarda
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Patent number: 11485804Abstract: 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: GrantFiled: October 16, 2018Date of Patent: November 1, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Fiorenza D'Aprile, Valeriy Kapelyushko, Bradley Lane Kent, Giulio Brinati, Laura Ponta
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Patent number: 11485860Abstract: 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: GrantFiled: April 19, 2018Date of Patent: November 1, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Aldo Sanguineti, Marco Mirenda
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Publication number: 20220332854Abstract: 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: ApplicationFiled: June 28, 2022Publication date: October 20, 2022Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Marco Avataneo, Ugo De Patto, Giuseppe Marchionni, Mirko Tavano
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Patent number: 11459429Abstract: 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: GrantFiled: July 16, 2015Date of Patent: October 4, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Matteo Fantoni, Stefano Arrigoni, Stefano Bossolo, Marco Avataneo
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Patent number: 11441007Abstract: 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: GrantFiled: July 10, 2012Date of Patent: September 13, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Mortara, Julio A. Abusleme
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Patent number: 11427680Abstract: 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: GrantFiled: December 12, 2017Date of Patent: August 30, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Cristiano Monzani, Vito Tortelli, Marco Galimberti, Roberto Valsecchi, Patrizia Maccone
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Patent number: 11427662Abstract: 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: GrantFiled: February 28, 2017Date of Patent: August 30, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Pasqua Colaianna, Mattia Bassi, Giambattista Besana, Claudia Manzoni, Luca Colombo, Mehdi Emad
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Patent number: 11414506Abstract: 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: GrantFiled: April 9, 2018Date of Patent: August 16, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Mattia Bassi, Alessio Marrani, Fulvia Roncati, Eliana Ieva, Valeriy Kapelyushko
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Patent number: 11407896Abstract: 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: GrantFiled: April 19, 2018Date of Patent: August 9, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Aldo Sanguineti, Marco Mirenda
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Patent number: 11401352Abstract: 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: GrantFiled: September 4, 2018Date of Patent: August 2, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Marco Avataneo, Ugo De Patto, Giuseppe Marchionni, Mirko Tavano
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Patent number: 11376815Abstract: 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: GrantFiled: December 5, 2016Date of Patent: July 5, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Pasqua Colaianna, Amelia Mennella, Serena Carella, Marco Colladon, Stephen Edmondson
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Patent number: 11370906Abstract: 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: GrantFiled: May 19, 2014Date of Patent: June 28, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Serena Carella, Giambattista Besana, Suneel Bandi, Bradley Lane Kent
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Patent number: 11338558Abstract: 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: GrantFiled: July 29, 2019Date of Patent: May 24, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Serena Carella, Mattia Bassi, Stefano Mortara, Paolo Toniolo, Julio A. Abusleme
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Patent number: 11329317Abstract: 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: GrantFiled: July 25, 2017Date of Patent: May 10, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Silvia Rita Petricci, Patrizia Serenella Maccone, Libero Damen, Christine Hamon, Andrea Vittorio Oriani
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Patent number: 11319387Abstract: 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: GrantFiled: June 5, 2018Date of Patent: May 3, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Alessio Marrani, Francesco Pedroli