Patents Assigned to SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
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Publication number: 20250105297Abstract: Electrode compositions [binder (B)] for use in the preparation of electrodes for electrochemical devices, including a polytetrafluoroethylene (PTFE); and a low melting point VDF-based fluororesin [polymer (A)] having a melting point of less than 220° C., said polymer (A) comprising: at least 50% by moles of recurring units derived from VDF, with respect to all recurring units of said polymer (A), and recurring units derived from at least one comonomer (CM), said comonomer (CM) being selected from a hydrophilic (meth)acrylic comonomer [comonomer (MA)] and a fluorinated comonomer [comonomer (F)].Type: ApplicationFiled: November 25, 2022Publication date: March 27, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Millefanti, Alessio Marrani, Maurizio Biso, Stefano Mauri, Romain Debortoli, Fernand Gauthy, Vijay Kadam, Rahul Shingte
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Patent number: 12252583Abstract: The present invention relates to a process for the synthesis of partially and fully fluorinated polyether (PFPE) polymers comprising cyclic moieties in the backbone chain, to PFPE polymers obtained therefrom and to the use of said PFPE polymers as intermediate compounds for the manufacture of additives for plastic and glass coating.Type: GrantFiled: June 19, 2019Date of Patent: March 18, 2025Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Giovanni Fontana, Marco Galimberti, Vito Tortelli
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Patent number: 12247111Abstract: The invention pertains to a fluoroelastomer composition comprising a vinylidene-fluoride based fluoroelastomer, a polyhydroxylated compound, a basic compound, a pyridinium-type salt having an aromatic ring-quaternized nitrogen atom, and comprising at least two groups having a central carbon atom which bears acidic hydrogen atoms; and an accelerant, which possesses an improved molding behaviour, leading to shaped parts possessing less blisters and surface defects.Type: GrantFiled: March 25, 2020Date of Patent: March 11, 2025Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Matteo Fantoni, Margherita Albano
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Publication number: 20250059308Abstract: The invention pertains to a process for polymerizing fluoromonomers in the presence of a certain amphiphilic reversible addition fragmentation chain transfer (RAFT) agent.Type: ApplicationFiled: December 12, 2022Publication date: February 20, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Daniela Bertani, David James Wilson, Pierre-Emmanuel Dufils
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Publication number: 20250054988Abstract: The present invention relates to a primer that improves adhesiveness between an electro active material and a current collector, and to an electrode comprising the same.Type: ApplicationFiled: December 15, 2022Publication date: February 13, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Francesco Liberale, Riccardo Rino Pieri, Maurizio Biso, Marie-Pierre Labeau, Patrick Moreau
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Publication number: 20250034300Abstract: The present invention pertains to crosslinkable vinylidene fluoride copolymers comprising recurring units derived from hydrophilic monomers useful for producing shaped articles characterized by improved performances.Type: ApplicationFiled: October 16, 2024Publication date: January 30, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Julio A. Abusleme, Ségolène Brusseau
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Publication number: 20250019480Abstract: The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.Type: ApplicationFiled: November 18, 2022Publication date: January 16, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Maurizio Biso, Wojciech Bzducha, Stefano Mauri, David James Wilson
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Publication number: 20250023048Abstract: The present invention relates to a polymer for a non-aqueous electrolyte rechargeable battery, an electrode slurry for a rechargeable battery and a rechargeable battery comprising the same.Type: ApplicationFiled: November 18, 2022Publication date: January 16, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Jean Noël Tourvieille, Steven Meeker, Stefano Mauri, Maurizio Biso, Wojciech Bzducha, Jean-Christophe Castaing, David James Wilson, Jean Raoul Gomez
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Publication number: 20250023053Abstract: The present invention relates to VDF-based fluoropolymers with outstanding metal-adhesion properties for use as a binding agent for electrodes for batteries.Type: ApplicationFiled: November 25, 2022Publication date: January 16, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Millefanti, Alessio Marrani
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Publication number: 20250019561Abstract: The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.Type: ApplicationFiled: November 18, 2022Publication date: January 16, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Maurizio Biso, Wojciech Bzducha, Jean-Christophe Castaing, Stefano Mauri, David James Wilson
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Patent number: 12195601Abstract: The invention pertains to certain fluoropolymer-based hybrid organic/inorganic composites, to polymer electrolytes obtained therefrom and to use of said polymer electrolytes in electrochemical devices.Type: GrantFiled: December 19, 2019Date of Patent: January 14, 2025Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Julio A. Abusleme, Maurizio Biso
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Publication number: 20250002628Abstract: The present patent application relates to copolymers comprising (per)fluoro-polyether chains, characterized by increased viscosity.Type: ApplicationFiled: June 23, 2022Publication date: January 2, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Ugo De Patto, Andrea Lotierzo, Pier Antonio Guarda
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Publication number: 20250002619Abstract: The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and from perhalogenated monomers and to their use as binders for silicon negative electrodes.Type: ApplicationFiled: August 9, 2024Publication date: January 2, 2025Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Julio A. Abusleme, Maurizio Biso, Ricardo Rino Pieri
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Publication number: 20240409715Abstract: The invention relates to a fluoroelastomer curable composition, to a method for curing the same, and to cured articles derived there from.Type: ApplicationFiled: October 6, 2022Publication date: December 12, 2024Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Andrea Montalbetti
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Patent number: 12152097Abstract: The invention pertains to a fluoroelastomer having a branched structure including long chain branches and including cure-site monomers, and curable composition thereof, able to provide for cured parts having ability to retain outstanding sealing performances at very high temperatures, up to about 350° C., to a method of curing the same and to cured articles obtained therefrom, which are notably useful as sealing parts in semi-conductors industry.Type: GrantFiled: December 2, 2019Date of Patent: November 26, 2024Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Claudia Manzoni, Matteo Fantoni
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Patent number: 12152137Abstract: The present invention relates to a polymeric composition comprising: one or more vinylidene fluoride (VDF) polymers, from 1 to 100 parts, preferably from 2 to 50 parts, more preferably from 2 to 30 parts, even more preferably from 3 to 20 parts by weight for 100 parts of VDF polymer of a plurality of particles of graphite, wherein said particles of graphite have an D90 particle size as measured with laser scattering of less than 50 ?m, preferably from 2 to 30 ?m more preferably from 2 to 20 ?m, even more preferably from 2 to 10 ?m and a BET specific surface of from 10 to 50 m2/g, preferably 15 to 35 m2/g. The invention also relates to tubular articles comprising the composition and to their use in oil and gas operations.Type: GrantFiled: November 25, 2019Date of Patent: November 26, 2024Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Aldo Sanguineti, Marco Mirenda, Giulio Brinati
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Publication number: 20240387827Abstract: Hydrophilic vinylidene fluoride copolymers and preparation method thereof are provided. The copolymers comprise recurring units derived from hydrophilic monomers. The use of the same for producing articles characterized by improved performances.Type: ApplicationFiled: April 19, 2021Publication date: November 21, 2024Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Richard Poirault, Michele Fiore, Kai Wu, Julio A. Abusleme
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Patent number: 12139453Abstract: A process for the preparation of perhaloacyl peroxides from perhaloacyl halides which is performed in the presence of a hydrofluoroether as the solvent.Type: GrantFiled: December 19, 2019Date of Patent: November 12, 2024Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefana Musio, Ivan Diego Wlassics, Serena Carella, Marco Avataneo
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Publication number: 20240368318Abstract: The present invention pertains to a method for making a reinforced shaped article comprising the steps of: a) providing one or more fluoropolymers having a melting point Tm, said one or more fluoropolymers being characterized in that they: (i) comprise more than 30% by moles of recurring units derived from VDF, with respect to the total number of recurring units of the polymer; (ii) have iodine-containing chain ends —CH2I in an amount of 0.1 to 0.9 per chain; b) dissolving said fluoropolymer in a suitable solvent and forming a precursor solution c) precipitating said fluoropolymer as a solid from said precursor solution thereby obtaining a shaped article comprising said fluoropolymer e) thermally treating said shaped article for at least 15 minutes at a temperature comprised between 100° C. and the lowest melting point Tm of said one or more fluoropolymers thereby obtaining said reinforced shaped article.Type: ApplicationFiled: July 19, 2022Publication date: November 7, 2024Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Mirko Mazzola, Emanuele Di Nicolo', Giulio Brinati, Rosita Lissette Pena Cabrera, Andrea Vittorio Oriani
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Publication number: 20240368329Abstract: The present patent application relates to block copolymers comprising (per)fluoropolyether chains useful as lubricants and characterized by increased viscosity.Type: ApplicationFiled: June 23, 2022Publication date: November 7, 2024Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Ugo De Patto, Andrea Lotierzo, Pier Antonio Guarda