Patents by Inventor Stefano Bossolo
Stefano Bossolo 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: 11851556Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.Type: GrantFiled: August 19, 2021Date of Patent: December 26, 2023Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Marco Avataneo, Stefano Millefanti, Michael J. Cox
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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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Publication number: 20220135774Abstract: 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: ApplicationFiled: March 25, 2020Publication date: May 5, 2022Inventors: Stefano BOSSOLO, Matteo FANTONI, Margherita ALBANO
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Patent number: 11220588Abstract: The invention pertains to a (per)fluoroelastomer composition comprising at least one (per)fluoroelastomer comprising iodine and/or bromine atoms, at least one polyunsaturated compound, at least one organic peroxide and at least one organic compound selected from the group consisting of (thio)urea compounds, cyclic addition products of ammonia or primary amine and aldehyde; (thio)carbamates.Type: GrantFiled: May 30, 2016Date of Patent: January 11, 2022Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Matteo Fantoni, Marco Avataneo, Stefano Bossolo
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Patent number: 11208540Abstract: The invention pertains to a method of making cured parts from a composition comprising certain fluoroelastomers and certain bromine-containing compounds under conditions suitable for delivering cured parts possessing outstanding mechanical and sealing properties and incorporating suitable amounts of bromine-containing compounds, so that these cured parts, when submitted to wear/damage would release Br-containing compounds, which can easily detected using appropriate analytical techniques, so as to monitor and anticipate critical failures thereof.Type: GrantFiled: March 23, 2018Date of Patent: December 28, 2021Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Matteo Fantoni, Marco Avataneo, Michael J. Cox
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Publication number: 20210395416Abstract: 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: ApplicationFiled: December 2, 2019Publication date: December 23, 2021Inventors: Stefano BOSSOLO, Claudia MANZONI, Matteo FANTONI
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Publication number: 20210380793Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.Type: ApplicationFiled: August 19, 2021Publication date: December 9, 2021Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Marco Avataneo, Stefano Millefanti, Michael J. Cox
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Patent number: 11124640Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.Type: GrantFiled: March 23, 2018Date of Patent: September 21, 2021Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Marco Avataneo, Stefano Millefanti, Michael J. Cox
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Patent number: 11059922Abstract: The invention relates to a method for manufacturing a cross-linked polymer comprising reacting at least one polymer having at least one —SO2X group, with X being F or Cl, a basic compound, and certain salts including a ring-quaternized pyridinium-type nitrogen, and possessing at least two groups in ortho or para position thereto comprising reactive hydrogen atoms; cross-linking has been proven to proceed effectively, delivering cross-linked polymers possessing improved chemical resistance and mechanical performances.Type: GrantFiled: October 17, 2017Date of Patent: July 13, 2021Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Claudio Oldani, Claudia Manzoni
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Patent number: 10899917Abstract: The invention pertains to a dual cure fluoroelastomer composition including certain nitrile-containing fluoropolyether compounds, 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: October 26, 2017Date of Patent: January 26, 2021Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Bossolo, Claudia Manzoni, Matteo Fantoni
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Publication number: 20200291147Abstract: The invention pertains to a polyunsaturated compound having formula (I) [compound (DAIC-PFPE)]: TA-O—Rf-TA? wherein: —Rf is (per)fluoropolyoxyalkylene chain [chain (Rf)] comprising recurring units having at least one catenary ether bond and Sat least one fluorocarbon moiety; TA and TA?, equal to or different from each other, are selected from the group consisting of: (i) C1-C24 (hydro)(fluoro)carbon groups, possibly comprising one or more than one of H, O, and Cl; and (ii) (hydro)(fluoro)carbon group comprising at least one diallylisocyanurate group of formula (A) wherein each of R1, R2, R3, R4, R5, and R6 is, independently, a hydrogen atom or a C1-C3 hydrocarbon group, preferably a hydrogen atom (group TDAIC), with the provisio that at least one of TA and TA? is a group TDAIC, to a process for its manufacture and its use for curing fluoroelastomers, to fluoroelastomer compositions comprising the same, as well as to a process for producing fluororubber mouldings therefrom.Type: ApplicationFiled: February 28, 2017Publication date: September 17, 2020Inventors: Stefano BOSSOLO, Ivan Diego WLASSICS, Liubov CHERNYSHEVA, Davide VICINO
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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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Patent number: 10766989Abstract: The invention pertains to a fluoroelastomer composition [composition (C)] comprising: —at least one fluoroelastomer [fluoroelastomer (A)]; —at least one basic compound [base (B)]; —at least one pyridinium-type salt [salt (P)] having at least two groups in ortho or para position to the quaternized nitrogen bearing a reactive hydrogen atom.Type: GrantFiled: May 3, 2016Date of Patent: September 8, 2020Assignee: SOLVAY SPECIALITY POLYMERS ITALY S.P.A.Inventors: Matteo Fantoni, Vito Tortelli, Cristiano Monzani, Stefano Bossolo, Marco Avataneo
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Publication number: 20200109257Abstract: The invention pertains to a method of making cured parts from a composition comprising certain fluoroelastomers and certain bromine-containing compounds under conditions suitable for delivering cured parts possessing outstanding mechanical and sealing properties and incorporating suitable amounts of bromine-containing compounds, so that these cured parts, when submitted to wear/damage would release Br-containing compounds, which can easily detected using appropriate analytical techniques, so as to monitor and anticipate critical failures thereof.Type: ApplicationFiled: March 23, 2018Publication date: April 9, 2020Inventors: Stefano BOSSOLO, Matteo FANTONI, Marco AVATANEO, Michael J. COX
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Publication number: 20200109273Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.Type: ApplicationFiled: March 23, 2018Publication date: April 9, 2020Inventors: Stefano BOSSOLO, Marco AVATANEO, Stefano MILLEFANTI, Michael J. COX
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Publication number: 20200056064Abstract: The invention relates to a coating composition obtained by mixing aqueous latexes of VDF polymers with certain pyridinium salts, to a method of coating a substrate using the same, and to coated layers derived there from, and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators.Type: ApplicationFiled: October 17, 2017Publication date: February 20, 2020Inventors: Stefano BOSSOLO, Serena CARELLA, Eliana IEVA, Fulvia RONCATI
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Patent number: 10513593Abstract: The invention pertains to a fluoroelastomer composition comprising: at least one fluoroelastomer [perfluoroelastomer (A)], said fluoroelastomer (A) comprising iodine and/or bromine atoms and having a backbone comprising: recurring units derived from tetrafluoroethylene (TFE); recurring units derived from at least one perfluorinated monomer selected from the group consisting of: perfluoroalkylvinylethers complying with formula CF2?CFORf1 in which Rn is a C1-C6 perfluoroalkyl (monomers of this type being referred to, herein after, as PAVE), e.g. —CF3, —C2F5, —C3F7; perfluoro-oxyalkylvinylethers complying with formula CF2?CFOX0, in which X0 can be (i) a C1-C12 perfluorooxyalkyl having one or more ether groups, e.g. —C2F5—O—CF3; or (ii) a group of formula —CF2ORf2 in which Rf2 is a C1-C6 perfluoroalkyl, e.g.Type: GrantFiled: October 29, 2015Date of Patent: December 24, 2019Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Marco Avataneo, Matteo Fantoni, Luca Cirillo, Stefano Bossolo
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Publication number: 20190276655Abstract: The invention pertains to a dual cure fluoroelastomer composition including certain nitrile-containing fluoropolyether compounds, 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: October 26, 2017Publication date: September 12, 2019Inventors: Stefano BOSSOLO, Claudia MANZONI, Matteo FANTONI
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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: 20190256631Abstract: The invention relates to a method for manufacturing a cross-linked polymer comprising reacting at least one polymer having at least one —SO2X group, with X being F or Cl, a basic compound, and certain salts including a ring-quaternized pyridinium-type nitrogen, and possessing at least two groups in ortho or para position thereto comprising reactive hydrogen atoms; cross-linking has been proven to proceed effectively, delivering cross-linked polymers possessing improved chemical resistance and mechanical performances.Type: ApplicationFiled: October 17, 2017Publication date: August 22, 2019Inventors: Stefano BOSSOLO, Claudio OLDANI, Claudia MANZONI