Patents by Inventor Stefano Arrigoni
Stefano Arrigoni 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: 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: 10774207Abstract: The invention pertains to a peroxide/nitrile dual cure fluoroelastomer composition able to provide for cured parts having improved thermal and water vapour resistance, to a method of curing the same and to cured articles obtained therefrom.Type: GrantFiled: July 12, 2017Date of Patent: September 15, 2020Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Claudia Manzoni, Matteo Fantoni, Stefano Arrigoni
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Publication number: 20190276654Abstract: The invention pertains to a peroxide/nitrile dual cure fluoroelastomer composition able to provide for cured parts having improved thermal and water vapour resistance, to a method of curing the same and to cured articles obtained therefrom.Type: ApplicationFiled: July 12, 2017Publication date: September 12, 2019Inventors: Stefano BOSSOLO, Claudia MANZONI, Matteo FANTONI, Stefano ARRIGONI
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Publication number: 20170204230Abstract: 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: ApplicationFiled: July 16, 2015Publication date: July 20, 2017Inventors: Matteo FANTONI, Stefano ARRIGONI, Stefano BOSSOLO, Marco AVATANEO
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Patent number: 9029464Abstract: Perfluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable perfluoroelastomers.Type: GrantFiled: June 19, 2013Date of Patent: May 12, 2015Assignee: Solvay Solexis S.p.A.Inventors: Stefano Arrigoni, Marco Apostolo, Margherita Albano
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Patent number: 8729175Abstract: Fluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable fluoroelastomers.Type: GrantFiled: July 9, 2013Date of Patent: May 20, 2014Assignee: Solvay Solexis S.p.A.Inventors: Marco Apostolo, Stefano Arrigoni, Margherita Albano
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Publication number: 20130317162Abstract: Perfluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable perfluoroelastomers.Type: ApplicationFiled: June 19, 2013Publication date: November 28, 2013Applicant: SOLVAY S.A.Inventors: Stefano ARRIGONI, Marco APOSTOLO, Margherita ALBANO
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Publication number: 20130296464Abstract: Fluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable fluoroelastomers.Type: ApplicationFiled: July 9, 2013Publication date: November 7, 2013Inventors: Marco Apostolo, Stefano Arrigoni, Margherita Albano
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Patent number: 8513351Abstract: Fluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; a density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable fluoroelastomers.Type: GrantFiled: June 22, 2005Date of Patent: August 20, 2013Assignee: Solvay Solexis S.p.A.Inventors: Marco Apostolo, Stefano Arrigoni, Margherita Albano
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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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Publication number: 20100069558Abstract: 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: ApplicationFiled: June 28, 2007Publication date: March 18, 2010Applicant: SOLVAY SOLEXIS S.p. A.Inventors: Milena Stanga, Giovanni Comino, Stefano Arrigoni, Margherita Albano
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Patent number: 7612154Abstract: Fluoroelastomers, curable by peroxidic route, obtainable by polymerizing the following monomers: a) C2-C8 hydrogenated fluoroolefins; b) fluorovinylethers of general formula: CFX?CXOCF2OR ??(I) c) bis-olefins having general formula: RI1RI2 C?CRI3-Z-CRI4?CRI5RI6??(IA) and optionally: d) one or more fluorinated olefinic comonomers selected from perfluoroalkylvinylethers (PAVE) CF2?CFOR2f, perfluorooxyalkylvinylethers CF2?CFOXa, e) C2-C8 perfluorolefins; f) one or more C2-C8 non fluorinated olefinic comonomers said fluoroelastomers comprising iodine and/or bromine atoms in the chain and/or in end position.Type: GrantFiled: July 19, 2006Date of Patent: November 3, 2009Assignee: Solvay Solexis S.p.A.Inventors: Stefano Arrigoni, Margherita Albano
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Publication number: 20070093625Abstract: Fluoroelastomers, curable by peroxidic route, obtainable by polymerizing the following monomers: a) C2-C8 hydrogenated fluoroolefins; b) fluorovinylethers of general formula: CFX?CXOCF2OR ??(I) c) bis-olefins having general formula: RI1RI2 C?CRI3-Z-CRI4?CRI5RI6??(IA) ?and optionally: d) one or more fluorinated olefinic comonomers selected from perfluoroalkylvinylethers (PAVE) CF2?CFOR2f, perfluorooxyalkylvinylethers CF2?CFOXa, e) C2-C8 perfluorolefins; f) one or more C2-C8 non fluorinated olefinic comonomers said fluoroelastomers comprising iodine and/or bromine atoms in the chain and/or in end position.Type: ApplicationFiled: July 19, 2006Publication date: April 26, 2007Inventors: Stefano Arrigoni, Margherita Albano
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Patent number: 7101943Abstract: Fluoroelastomers, curable by peroxidic route, obtainable by polymerizing the following monomers: a) C2–C8 hydrogenated fluoroolefins; b) fluorovinylethers of general formula: CFX?CXOCF2OR ??(I) c) bis-olefins having general formula: RI1RI2C?CRI3—Z—CRI4?CRI5RI6 ??(IA) and optionally: d) one or more fluorinated olefinic comonomers selected from perfluoroalkylvinylethers (PAVE) CF2?CFOR2f, perfluorooxyalkylvinylethers CF2?CFOXa, e) C2–C8 perfluorolefins; f) one or more C2–C8 non fluorinated olefinic comonomers said fluoroelastomers comprising iodine and/or bromine atoms in the chain and/or in end position.Type: GrantFiled: October 16, 2002Date of Patent: September 5, 2006Assignee: Solvay Solexis S.p.A.Inventors: Stefano Arrigoni, Margherita Albano
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Publication number: 20050282955Abstract: Fluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; a density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable fluoroelastomers.Type: ApplicationFiled: June 22, 2005Publication date: December 22, 2005Inventors: Marco Apostolo, Stefano Arrigoni, Margherita Albano
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Publication number: 20050282954Abstract: Perfluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable perfluoroelastomers.Type: ApplicationFiled: June 16, 2005Publication date: December 22, 2005Inventors: Stefano Arrigoni, Marco Apostolo, Margherita Albano
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Patent number: 6844036Abstract: Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix; B) a semi-crystalline fluoropolymer, in an amount from higher than 40% to 90% by weight based on the total of A)+B); the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE by copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.Type: GrantFiled: May 22, 2002Date of Patent: January 18, 2005Assignee: Ausimont S.p.A.Inventors: Marco Apostolo, Margherita Albano, Stefano Arrigoni
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Patent number: 6822050Abstract: Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix based on vinylidene fluoride (VDF); B) a semi-crystalline fluoropolymer, in an amount from >40% to 90% by weight based on the total of A)+B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain; the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.Type: GrantFiled: May 22, 2002Date of Patent: November 23, 2004Assignee: Ausimont S.p.A.Inventors: Margherita Albano, Marco Apostolo, Stefano Arrigoni
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Patent number: 6750295Abstract: Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix based on vinylidene fluoride (VDF); B) a semi-crystalline fluoropolymer, in an amount from 1 to 40% by weight based on the total of A)+B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain; the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.Type: GrantFiled: May 22, 2002Date of Patent: June 15, 2004Assignee: Ausimont S.p.A.Inventors: Margherita Albano, Marco Apostolo, Stefano Arrigoni
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Patent number: 6710132Abstract: Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix based on tetrafluoroethylene (TFE); B) a semi-crystalline fluoropolymer, in an amount from 2 to 90% by weight based on the total of A)+B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain; the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.Type: GrantFiled: May 22, 2002Date of Patent: March 23, 2004Assignee: Ausimont S.p.A.Inventors: Marco Apostolo, Margherita Albano, Stefano Arrigoni