Patents by Inventor Milena Stanga
Milena Stanga 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).
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Patent number: 10586964Abstract: The present invention pertains to a process for manufacturing a solid composite separator, said process comprising the following steps: (i) providing a liquid composition [composition (L)] comprising, preferably consisting of: at least one fluoro-polymer [polymer (F)] comprising one or more backbone chains, said backbone chains comprising recurring units derived from at least one fluorinated monomer [monomer (F)], and one or more side functional groups selected from the group consisting of —O—Rx and —C(O)O—Rx groups, wherein Rx is a hydrogen atom or a C1-C5 hydrocarbon group comprising at least one hydroxyl group, optionally, at least one metal compound of formula (I) [compound (M)]: X4-mAYm wherein X is a hydrocarbon group, optionally comprising one or more functional groups, m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, and Y is a hydrolysable group selected from the group consisting of an alkoxy group, an acyloxy group and a hydroxyl group, at least one iType: GrantFiled: August 5, 2014Date of Patent: March 10, 2020Assignee: SOLVAY SAInventors: Christine Hamon, Milena Stanga, Riccardo Pieri
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Publication number: 20190071564Abstract: The invention pertains to a (per)fluoroelastomer composition comprising at least one (per)fluoroelastomer [(per)fluoroelastomer (A)] matrix comprising particles of at least one perfluoropolymer [polymer (F)] having a melt flow index (MFI), measured at 372° C. under a 5 Kg load according to ASTM D1238 standard, of less than 10 g/10 min, said particles having an average size of less than 100 nm.Type: ApplicationFiled: November 5, 2018Publication date: March 7, 2019Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Milena Stanga, Claudia Manzoni, Giovanni Comino, Margherita Albano
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Patent number: 10079388Abstract: The present invention pertains to an aqueous composition comprising: (A) an aqueous latex comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF) and at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —ROH is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, (B) at least one powdery electrode material, and (C) optionally, less than 10% by weight, based on the total weight of the aqueous composition, of at least one organic solvent (S), wherein the polymer (F) in the aqueous latex is under the form of primary particles having an average primary particle size of less than 1 ?m, as measured according to ISO 13321.Type: GrantFiled: July 13, 2012Date of Patent: September 18, 2018Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Milena Stanga, Riccardo Pieri, Anna Maria Bertasa, Bradley Lane Kent, Giulio Brinati
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Patent number: 10023670Abstract: A peroxide curable perfluoroelastomer comprising: recurring units derived from tetrafluoroethylene (TFE); recurring units derived from perfluoroethylvinylether (EVE), in an amount of between 2 and 17% by moles, with respect to total recurring units derived from TFE, perfluoromethylvinylether (MVE) and EVE; and recurring units derived from perfluoromethylvinylether (MVE), in an amount of between 23 and 35% by moles, with respect to total recurring units derived from TFE, perfluoromethylvinylether (MVE) and EVE. A process for its manufacture and its use for the manufacture of cured articles.Type: GrantFiled: July 14, 2016Date of Patent: July 17, 2018Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.p.A.Inventors: Claudia Manzoni, Milena Stanga, Margherita Albano
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Publication number: 20170008987Abstract: A peroxide curable perfluoroelastomer comprising: recurring units derived from tetrafluoroethylene (TFE); recurring units derived from perfluoroethylvinylether (EVE), in an amount of between 2 and 17% by moles, with respect to total recurring units derived from TFE, perfluoromethylvinylether (MVE) and EVE; and recurring units derived from perfluoromethylvinylether (MVE), in an amount of between 23 and 35% by moles, with respect to total recurring units derived from TFE, perfluoromethylvinylether (MVE) and EVE. A process for its manufacture and its use for the manufacture of cured articles.Type: ApplicationFiled: July 14, 2016Publication date: January 12, 2017Inventors: Claudia MANZONI, Milena STANGA, Margherita ALBANO
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Patent number: 9441054Abstract: The present invention pertains to a fluoropolymer [polymer (F)] comprising: recurring units derived from vinylidene fluoride (VDF), and from 0.01% to 5% by moles of recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] having formula (I) here below: wherein: R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and ROH represents a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (F) comprising end groups having formula —CF2H and/or —CF2CH3 in an amount of at least 30 mmoles per Kg of vinylidene fluoride (VDF) recurring units. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as binders for the manufacture of electrodes or for the manufacture of membranes.Type: GrantFiled: December 13, 2011Date of Patent: September 13, 2016Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Milena Stanga, Bradley Lane Kent, Alessio Marrani, Giulio Brinati
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Publication number: 20160204405Abstract: The present invention pertains to a process for manufacturing a solid composite separator, said process comprising the following steps: (i) providing a liquid composition [composition (L)] comprising, preferably consisting of: at least one fluoro-polymer [polymer (F)] comprising one or more backbone chains, said backbone chains comprising recurring units derived from at least one fluorinated monomer [monomer (F)], and one or more side functional groups selected from the group consisting of —O—Rx and —C(O)O—Rx groups, wherein Rx is a hydrogen atom or a C1-C5 hydrocarbon group comprising at least one hydroxyl group, optionally, at least one metal compound of formula (I) [compound (M)]: X4-mAYm wherein X is a hydrocarbon group, optionally comprising one or more functional groups, m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, and Y is a hydrolysable group selected from the group consisting of an alkoxy group, an acyloxy group and a hydroxyl group, at least one inorType: ApplicationFiled: August 5, 2014Publication date: July 14, 2016Inventors: Christine HAMON, Milena STANGA, Riccardo PIERI
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Patent number: 9234063Abstract: A peroxide curable perfluoroelastomer comprising: recurring units derived from tetrafluoroethylene (TFE); and recurring units derived from perfluoromethylvinylether (MVE); such perfluoroelastomer possessing a Mooney Viscosity (ML2+9) at 121° C. of from 25 to 140 MU, when measured according to ASTM D1646 standard, and comprising such MVE recurring units in an amount of from 26 to 33% by moles with respect to total moles of TFE and MVE. A process for the manufacture of such perfluoroelastomer, and cured articles obtainable therefrom.Type: GrantFiled: February 8, 2010Date of Patent: January 12, 2016Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Milena Stanga, Claudia Manzoni, Margherita Albano
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Publication number: 20150020947Abstract: The present invention pertains to a process for the manufacture of a composite separator for an electrochemical cell, said process comprising the following steps: (i) providing a substrate layer; (ii) providing a coating composition comprising: —an aqueous latex comprising at least one vinylidene fluoride (VdF) polymer [polymer (F)] under the form of primary particles having an average primary particle size of less than 1 ?m, as measured according to ISO 13321, and —at least one non-electroactive inorganic filler material; (iii) applying said coating composition onto at least one surface of said substrate layer to provide a coating composition layer; and (iv) drying said coating composition layer at a temperature of at least 60° C., preferably of at least 100° C., more preferably of at least 180° C. to provide said composite separator.Type: ApplicationFiled: February 12, 2013Publication date: January 22, 2015Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Milena Stanga, Riccardo Pieri, Marco Miele
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Publication number: 20140154573Abstract: The present invention pertains to an aqueous composition comprising: (A) an aqueous latex comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF) and at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —ROH is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, (B) at least one powdery electrode material, and (C) optionally, less than 10% by weight, based on the total weight of the aqueous composition, of at least one organic solvent (S), wherein the polymer (F) in the N aqueous latex is under the form of primary particles having an average primary particle size of less than 1 ?m, as measured according to ISO 13321.Type: ApplicationFiled: July 13, 2012Publication date: June 5, 2014Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Milena Stanga, Riccardo Pieri, Anna Maria Bertasa, Bradley Lane Kent, Giulio Brinati
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Publication number: 20130264522Abstract: The present invention pertains to a fluoropolymer [polymer (F)] comprising: recurring units derived from vinylidene fluoride (VDF), and from 0.01% to 5% by moles of recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] having formula (I) here below: wherein: R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and ROH represents a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (F) comprising end groups having formula —CF2H and/or —CF2CH3 in an amount of at least 30 mmoles per Kg of vinylidene fluoride (VDF) recurring units. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as binders for the manufacture of electrodes or for the manufacture of membranes.Type: ApplicationFiled: December 13, 2011Publication date: October 10, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Milena Stanga, Bradley Lane Kent, Alessio Marrani, Giulio Brinati
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Patent number: 8476356Abstract: A (per)fluoroelastomeric composition curable by peroxidic way comprising for 100 phr of (per)fluoroelastomer: as filler, from 2 to 70 phr of carbon black having a surface area between 25 and 35 m2/g; as crosslinking agent, from 0.5 to 10 phr of a bis-olefin having general formula: wherein: R1, R2, R3, R4, R5, R6, equal to or different from each other, are H or C1-C5 alkyls; Z is selected between a linear or branched C1-C18 alkylene or cycloalkylene radical, optionally containing oxygen atoms, preferably at least partially fluorinated, or a (per)fluoropolyoxyalkylene radical.Type: GrantFiled: June 28, 2007Date of Patent: July 2, 2013Assignee: Solvay Solexis S.p.A.Inventors: Milena Stanga, Giovanni Comino, Stefano Arrigoni, Margherita Albano
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Patent number: 8263708Abstract: This invention pertains to sealing articles of vulcanized (per)fluoroelastomer compositions incorporating particles of a vinylidene fluoride (VDF) polymers having a Shore A hardness of at least 85 when determined according to ASTM D 2240 Type A Durometer method, and a compression set of less than 30%, when determined according to ASTM D395 at 200° C. for 70 h on O-ring according to ASTM D1414, and to a process for their manufacture by vulcanizing-molding and thermal post-treating at a temperature above the melting point of the VDF polymer.Type: GrantFiled: December 3, 2009Date of Patent: September 11, 2012Assignee: Solvay Solexis S.p.A.Inventors: Milena Stanga, Claudia Manzoni, Giovanni Comino, Margherita Albano
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Patent number: 8242210Abstract: Extrudable (per)fluoroelastomer compositions comprising crosslinkable (per)fluoroelastomers having: at least two glass transition temperatures Tg on DSC analysis, at least one melting peak on DSC analysis with a ?H of second melting of between 0.3 and 5.5 J/g, and a bimodal molecular weight distribution such that the ratio Mn1/Mn2 is between 10 and 30, wherein Mn1 represents the number-average molecular weight of the distribution of the high molecular weight fluoroelastomer and Mn2 represents the number-average molecular weight of the distribution of the low molecular weight fluoroelastomer.Type: GrantFiled: August 11, 2008Date of Patent: August 14, 2012Assignee: Solvay Solexis S.p.A.Inventors: Claudia Manzoni, Giovanni Comino, Milena Stanga, Margherita Albano
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Patent number: 8198372Abstract: Vulcanizable fluoroelastomer compositions comprising: A) a fluoroelastomer matrix based on vinylidene fluoride (VDF) with a Mooney viscosity (1+10) at 121° C. of less than 35 MU (Mooney Units) measured according to ASTM standard D 1646; and B) a semi-crystalline fluoropolymer, in an amount of from 20% to 70% by weight relative to the total weight of A)+B), the semi-crystalline fluoropolymer being constituted of tetrafluoroethylene (TFE) homopolymers and copolymers of TFE with one or more monomers containing at least one unsaturation of ethylenic type, in an amount of from 0.01 to 10 mol %, said semi-crystalline fluoropolymer having a mean particle size between 10 and 400 nm.Type: GrantFiled: November 20, 2008Date of Patent: June 12, 2012Assignee: Solvay Solexis S.p.A.Inventors: Giovanni Comino, Claudia Manzoni, Milena Stanga, Margherita Albano
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Patent number: 8168714Abstract: A (per)fluoroelastomeric composition curable by peroxidic way comprising: 100 phr as (per)fluoroelastomer as filler, 0.5-50 phr of silica having a pH value, determined according to the DIN ISO 787-9 standard, higher than 7, preferably higher than 8, as crosslinking agent, from 0.5 to 10 phr of a bis-olefin having general formula: wherein: R1, R2, R3, R4, R5, R6, equal to or different from each other, are H or C1-C5 alkyls; Z is selected between a C1-C18 linear or branched alkylene or cycloalkylene radical, optionally containing oxygen atoms, preferably at least partially fluorinated, or a (per)fluoropolyoxyalkylene radical.Type: GrantFiled: June 28, 2007Date of Patent: May 1, 2012Assignee: Solvay Solexis, S.p.A.Inventors: Milena Stanga, Giovanni Comino, Margherita Albano
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Publication number: 20110294944Abstract: A peroxide curable perfluoroelastomer comprising: recurring units derived from tetrafluoroethylene (TFE); recurring units derived from perfluoroethylvinylether (EVE), in an amount of between 2 and 17% by moles, with respect to total recurring units derived from TFE, perfluoromethylvinylether (MVE) and EVE; and recurring units derived from perfluoromethylvinylether (MVE), in an amount of between 23 and 35% by moles, with respect to total recurring units derived from TFE, perfluoromethylvinylether (MVE) and EVE. A process for its manufacture and its use for the manufacture of cured articles.Type: ApplicationFiled: February 8, 2010Publication date: December 1, 2011Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Claudia Manzoni, Milena Stanga, Margherita Albano
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Publication number: 20110294938Abstract: A peroxide curable perfluoroelastomer comprising: recurring units derived from tetrafluoroethylene (TFE); and recurring units derived from perfluoromethylvinylether (MVE); such perfluoroelastomer possessing a Mooney Viscosity (ML2+9) at 121° C. of from 25 to 140 MU, when measured according to ASTM D1646 standard, and comprising such MVE recurring units in an amount of from 26 to 33% by moles with respect to total moles of TFE and MVE. A process for the manufacture of such perfluoroelastomer, and cured articles obtainable therefrom.Type: ApplicationFiled: February 8, 2010Publication date: December 1, 2011Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Milena Stanga, Claudia Manzoni, Margherita Albano
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Publication number: 20110263793Abstract: Extrudable (per)fluoroelastomer compositions comprising crosslinkable (per)fluoroelastomers having: at least two glass transition temperatures Tg on DSC analysis, at least one melting peak on DSC analysis with a ?H of second melting of between 0.3 and 5.5 J/g, and a bimodal molecular weight distribution such that the ratio Mn1/Mn2 is between 10 and 30, wherein Mn1 represents the number-average molecular weight of the distribution of the high molecular weight fluoroelastomer and Mn2 represents the number-average molecular weight of the distribution of the low molecular weight fluoroelastomer.Type: ApplicationFiled: August 11, 2008Publication date: October 27, 2011Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Claudia Manzoni, Giovanni Comino, Milena Stanga, Margherita Albano
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Publication number: 20110245402Abstract: The invention pertains to a (per)fluoroelastomer composition comprising at least one (per)fluoroelastomer [(per)fluoroelastomer (A)] matrix comprising particles of at least one perfluoropolymer [polymer (F)] having a melt flow index (MFI), measured at 372° C. under a 5 Kg load according to ASTM D1238 standard, of less than 10 g/10 min, said particles having an average size of less than 100 nm.Type: ApplicationFiled: December 8, 2009Publication date: October 6, 2011Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Milena Stanga, Claudia Manzoni, Giovanni Comino, Margherita Albano