Patents by Inventor Alessio Marrani

Alessio Marrani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240141214
    Abstract: The present invention relates to a polymeric composition comprising a first polymer component C being selected from TFE/PAVE polymers comprising a small amount of chlorinated monomers selected from chlorotrifluoroethylene and dichlorodifluoroethylene and a second optional polymer component D being selected from TFE/PAVE polymers and being free from chlorine. The polymeric composition of the invention is characterized in that it has a total Cl content of from 0.01 to 0.25% by weight. The composition of the invention has very good adhesion on metals and plastics despite a very low total level of chlorine.
    Type: Application
    Filed: January 17, 2022
    Publication date: May 2, 2024
    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Alessio Marrani, Liubov Chernysheva, Mattia Bassi
  • Patent number: 11859033
    Abstract: The present invention pertains to a melt-processible fluoropolymer, to a composition comprising the melt-processible fluoropolymer, to a process for manufacturing the melt-processible fluoropolymer and to uses of the melt-processible fluoropolymer in various applications.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: January 2, 2024
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Mattia Bassi, Alessio Marrani, Valeriy Kapelyushko
  • Publication number: 20230416430
    Abstract: The present invention pertains to a surfactant free method for manufacturing a fluoropolymer F comprising, preferably consisting of: from 45 to 95% by moles of recurring units derived from tetrafluoroethylene (TFE) from 5 to 35% by moles of recurring units derived from vinylidene fluoride (VDF) from 0.5 to 20% by moles of one or more perfluoroalkylvinylether (PAVE) of formula (I) CF2?CF—O—Rf??(I) wherein Rf is a C1-C6 perfluoroalkyl group and wherein the molar amounts of said recurring units are relative to the total moles of recurring units in said polymer F.
    Type: Application
    Filed: November 19, 2021
    Publication date: December 28, 2023
    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A
    Inventors: Fiorenza D'aprile, Alessio Marrani, Eliana leva
  • Publication number: 20230167291
    Abstract: The invention relates to aqueous dispersions of fluoropolymers comprising recurring units derived from vinylidene fluoride (VDF) in an amount of from 60% to 82% in moles and recurring units derived from trifluoroethylene (TrFE) in an amount of from 18% to 40% in moles, with respect to the total moles of recurring units, said fluoropolymers possessing an improved thermodynamic ordered structure in the ferroelectric phase.
    Type: Application
    Filed: April 14, 2021
    Publication date: June 1, 2023
    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Alessio Marrani, Ivan Falco, Stefano Millefanti
  • Patent number: 11629249
    Abstract: The invention provides novel latexes of particles of vinylidene fluoride/trifluoroethylene copolymers possessing a more ordered ferroelectric crystalline phase, and hence improved ferro-, pyro-, and piezo-electric properties, and a method for manufacturing the same by emulsion polymerization in the presence of certain cyclic fluorosurfactants.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: April 18, 2023
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Alessio Marrani, Ivan Falco, Valeriy Kapelyushko
  • 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: 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: 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
  • 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
  • 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
  • Publication number: 20210130518
    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: Application
    Filed: April 9, 2018
    Publication date: May 6, 2021
    Inventors: Mattia BASSI, Alessio MARRANI, Fulvia RONCATI, Eliana IEVA, Valeriy KAPELYUSHKO
  • Publication number: 20200377633
    Abstract: The present invention pertains to a method for manufacturing a melt-processible fluoropolymer, to the melt-processible fluoropolymer obtainable by said process and to uses of said melt-processible fluoropolymer in various applications.
    Type: Application
    Filed: April 9, 2018
    Publication date: December 3, 2020
    Inventors: Mattia BASSI, Alessio MARRANI, Valeriy KAPELYUSHKO
  • Publication number: 20200377631
    Abstract: The present invention pertains to a melt-processible fluoropolymer, to a composition comprising said melt-processible fluoropolymer, to a process for manufacturing said melt-processible fluoropolymer and to uses of said melt-processible fluoropolymer in various applications.
    Type: Application
    Filed: April 9, 2018
    Publication date: December 3, 2020
    Inventors: Mattia BASSI, Alessio MARRANI, Valeriy KAPELYUSHKO
  • Patent number: 10689472
    Abstract: The present invention pertains to a process for the manufacture of a crosslinkable fluoropolymer, to said crosslinkable fluoropolymer and the crosslinked fluoropolymer obtainable therefrom, to a film comprising said crosslinkable fluoropolymer or said crosslinked fluoropolymer and to uses of said crosslinked fluoropolymer film in various applications.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: June 23, 2020
    Assignee: SOLVAY SPECIALITY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Ivan Wlassics, Alessio Marrani, Ivan Falco, Giuseppe Marchionni
  • Publication number: 20200123292
    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: Application
    Filed: June 5, 2018
    Publication date: April 23, 2020
    Inventors: Alessio MARRANI, Francesco PEDROLI
  • Publication number: 20200040174
    Abstract: The invention provides novel latexes of particles of vinylidene fluoride/trifluoroethylene copolymers possessing a more ordered ferroelectric crystalline phase, and hence improved ferro-, pyro-, and piezo-electric properties, and a method for manufacturing the same by emulsion polymerization in the presence of certain cyclic fluorosurfactants.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 6, 2020
    Inventors: Alessio MARRANI, Ivan FALCO, Valeriy KAPELYUSHKO
  • Publication number: 20200017620
    Abstract: The invention pertains to a method of making fluoropolymer dispersions using certain reactive oligomeric dispersing agents, of given molecular weight, comprising I and/or Br, and 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 to fluoropolymer dispersions therefrom.
    Type: Application
    Filed: March 15, 2018
    Publication date: January 16, 2020
    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Luca MERLO, Claudio OLDANI, Alessio MARRANI, Fiorenza D'APRILE, Valeriy KAPELYUSHKO
  • Publication number: 20200008297
    Abstract: The present invention pertains to a process for the manufacture of a multilayer assembly comprising applying at least one patterned substrate onto at least one surface of at least one non-patterned substrate. The present invention also pertains to the multilayer assembly obtainable by said process and to uses of said multilayer assembly in various applications.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Inventors: Paula COJOCARU, Marco APOSTOLO, Alessio MARRANI, Ivan FALCO
  • Patent number: 10506710
    Abstract: The present invention pertains to a process for the manufacture of a multilayer assembly comprising applying at least one patterned substrate onto at least one surface of at least one non-patterned substrate. The present invention also pertains to the multilayer assembly obtainable by said process and to uses of said multilayer assembly in various applications.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: December 10, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Paula Cojocaru, Marco Apostolo, Alessio Marrani, Ivan Falco
  • Patent number: 10455696
    Abstract: The present invention pertains to a process for the manufacture of a multilayer assembly comprising applying at least one patterned substrate onto at least one surface of at least one non-patterned substrate. The present invention also pertains to the multilayer assembly obtainable by said process and to uses of said multilayer assembly in various applications.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: October 22, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Paula Cojocaru, Marco Apostolo, Alessio Marrani, Ivan Falco