Patents by Inventor Giuseppe Marchionni
Giuseppe Marchionni 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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Publication number: 20150321984Abstract: The invention relates to a process which comprises the reaction of a (per)fluoropolyether peroxide with an optionally substituted aromatic or heteroaromatic compound. The process allows to obtain (per)fluoropolyether compounds having two chain ends, wherein one or both chain ends is a —CF2— group covalently bound to an optionally substituted aromatic or heteroaromatic group through a -carbon-carbon- bond. The invention further relates to the use of these compounds and to their derivatives as additives for perfluorinated oils and greases.Type: ApplicationFiled: December 18, 2012Publication date: November 12, 2015Inventors: Claudio Adolfo Pietro TONELLI, Marco AVATANEO, Giuseppe MARCHIONNI
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Publication number: 20150322313Abstract: The invention relates to a non-aqueous fluoropolymer composition comprising: a) at least one fluorinated ionisable polymer [polymer (A)] as defined in the description, and b) at least one fluorinated ionisable polymer [polymer (B)] as defined in the description; c) at least one fluorinated solvent; and d) at least one alcohol. The invention further relates to a process for manufacturing the composition and to the use of the composition for preparing polymeric materials.Type: ApplicationFiled: December 4, 2013Publication date: November 12, 2015Inventors: Silvia Rita PETRICCI, Solange BARBIERI, Claudio Adolfo Pietro TONELLI, Giuseppe MARCHIONNI
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Patent number: 9090794Abstract: A composition comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)]; and inorganic particles at least partially coated with at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf), comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)—, wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, referably perfluoroalkyl or (per)fluorooxyalkyl. The invention also discloses a method of coating various substrates using said composition.Type: GrantFiled: May 19, 2011Date of Patent: July 28, 2015Assignee: SOLVAY SAInventors: Vincenzo Arcella, Eliana Ieva, Shiow-Ching Lin, Marco Avataneo, Giuseppe Marchionni
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Patent number: 8999192Abstract: A process for transferring heat from a heat source to a heat sink, comprising using as heat transfer medium a composition comprising: at least one fluorinated fluid free from functional groups (fluid (H)); at least one functional (per)fluoropolyether (functional PFPE(1)) comprising recurring units (R1), said recurring units comprising at least one ether linkage in the main chain and at least one fluorine atom (fluoropolyoxyalkylene chain), and at least one functional end group chosen between —COOH and —CONH2; at least one functional (per)fluoropolyether (functional PFPE(2)) comprising recurring units (R1) as defined above and at least one functional end group chosen between —COCF3 and its hydroxylated derivative —C(OH)2CF3.Type: GrantFiled: September 22, 2009Date of Patent: April 7, 2015Assignee: Solvay Specialty Polymers Italy S.p.A.Inventors: Pier Antonio Guarda, Gianfranco Spataro, Padmanabhan Srinivasan, Giuseppe Marchionni
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Patent number: 8946136Abstract: Hydrofluoro alcohols of formula (I): A-(Rf)a—CFX—O—RhO—(CFX—(Rf)a*—CFX—O—RhO—)nH in which: Rh is a hydrocarbon-based chain; X is F or a C1-C6 (per)fluoroalkyl; a or a* is 0 or 1; Rf is a (per)fluoro(poly)oxyalkylene chain or a (per)fluoroalkyl chain; A is selected from the group consisting of —F, —Cl, and —H (possible only when a=1) or is HO—Rh—O—CFX—; n is an integer from 0 to 200, with the condition that n=0 when A is selected from the group consisting of —F, —Cl, and —H.Type: GrantFiled: August 7, 2009Date of Patent: February 3, 2015Assignee: Solvay Specialty Polymers Italy S.p.A.Inventors: Giuseppe Marchionni, Ugo De Patto, Marco Avataneo
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Publication number: 20140323661Abstract: The invention relates to the use of 1,5-enediyne compounds of formula (I) as curing agents in polymeric systems. In particular the invention relates to a curable composition comprising a curing agent of formula (I) and a fluorinated polymer suitable to be cross-linked and at least one fluorinated aromatic compound.Type: ApplicationFiled: December 11, 2012Publication date: October 30, 2014Inventors: Marco Avataneo, Aldo Sanguineti, Matteo Fantoni, Giuseppe Marchionni
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Publication number: 20140303411Abstract: A catalytic process for the synthesis of trifluoroethylene from chlorotrifluoroethylene which comprises contacting chlorotrifluoroethylene with hydrogen in the presence of a catalyst consisting of palladium or platinum supported on extruded activated carbon.Type: ApplicationFiled: June 20, 2014Publication date: October 9, 2014Inventors: Stefano MILLEFANTI, Vito TORTELLI, Giuseppe MARCHIONNI
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Publication number: 20140228531Abstract: The invention pertains to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in the presence of at least one cyclic fluorocompound of the following formula (I): wherein X1, X2, X3, equal or different from each other are independently selected among H, F, and C1-6 (per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; L represents a bond or a divalent group; RF is a divalent fluorinated C1-3 bridging group; Y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.Type: ApplicationFiled: March 5, 2014Publication date: August 14, 2014Applicant: SOLVAY SOLEXIS S.p.A.Inventors: Giuseppe MARCHIONNI, Vito Tortelli, Ivan Wlassics, Valeri Kapeliouchko
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Patent number: 8802899Abstract: A process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf?, Rf? and Rf??, equal to or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X?, equal to or different from each other, are independently chosen among Cl, Br or I; Rf* and Rf*?, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups. The process comprises contacting the halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising at least one transition metal of group VIII B at a temperature of at most 340° C.Type: GrantFiled: June 4, 2009Date of Patent: August 12, 2014Assignee: Solvay Specialty Polymers Italy S.p.A.Inventors: Stefano Millefanti, Vito Tortelli, Giuseppe Marchionni
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Patent number: 8785579Abstract: Linear perfluoropolyethers of formula: T-O (CF2O)n (CF2CF2O)m (CF2CF2CF2O)r (CF2CF2CF2CF2O)s-T1??(I) wherein n, m, r, s are integers such that the polymer number average molecular weight is comprised between 700 and 100,000 and the n/(n+m+r+s) ratio ranges from 0.05 to 0.40, and respective preparation process by addition of a peroxidic perfluoropolyether of formula (III): T4-O(CF2O)n, (CF2CF2O)m, (O)h-T5??(III) having a PO from 1.8 to 4, to a perfluoropolyether oil preheated at a temperature comprised between 150° C. and 250° C. and subsequent exhaustive fluorination of the obtained compound.Type: GrantFiled: February 16, 2011Date of Patent: July 22, 2014Assignee: Solvay Solexis S.p.A.Inventors: Pier Antonio Guarda, Giuseppe Marchionni
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Publication number: 20140199604Abstract: A composition comprising at least one fluorinated polymer comprising —SO2X functional groups, wherein X is selected from X? or from OM and wherein X? is selected from the group consisting of F, CI, Br, I and M is selected from the group consisting of H, alkaline metals, NH4, and at least one fluorinated aromatic compound. Ion conducting membranes comprising the composition have improved resistance towards radical degradation in fuel cell applications.Type: ApplicationFiled: May 31, 2012Publication date: July 17, 2014Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.p.A.Inventors: Marco Avataneo, Claudio Oldani, Giuseppe Marchionni
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Patent number: 8735510Abstract: A polymer composition comprising: at least one polycondensation polymer having a heat deflection temperature (HDT) of above 80° C. under a load of 1.82 MPa when measured according to ASTM D648 [polymer (P)]; at least one perfluoropolyether block copolymer [polymer (F)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf) comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)—; wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens; C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, to a process for its manufacture and to its use for manufacturing shaped articles, in particular by extrusion molding or injection molding techniques.Type: GrantFiled: February 22, 2010Date of Patent: May 27, 2014Assignee: Solvay SAInventors: Theodore Moore, Mark G. Reichmann, Marco Avataneo, Giuseppe Marchionni
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Patent number: 8703889Abstract: A method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein the aqueous emulsion polymerization is carried out in the presence of at least one cyclic fluorocompound of the following formula (I): wherein X1, X2, X3, equal to or different from each other are independently selected among H, F, and C1-6 (per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; L represents a bond or a divalent group; RF is a divalent fluorinated C1-3 bridging group; Y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.Type: GrantFiled: July 6, 2009Date of Patent: April 22, 2014Assignee: Solvay Solexis S.p.A.Inventors: Giuseppe Marchionni, Vito Tortelli, Ivan Wlassics, Valeri Kapeliouchko
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Publication number: 20130324769Abstract: The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): RfO—CRf?X—CRf?Rf??X???(I-A) wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf?, Rf? and Rf??, equal or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X?, equal or different from each other, are independently chosen among Cl, Br or I; wherein Rf* and Rf*?, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups; X and X? are as above defined; said process comprising contacting said halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising palladium and at least one transition metal (M) selected from the group consisting of the metals of group VIIIB, other than palladium, and oType: ApplicationFiled: February 2, 2012Publication date: December 5, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Stefano Millefanti, Vito Tortelli, Giuseppe Marchionni, Stefania Albonetti, Manuel Gregori, Giuseppe Fornasari
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Publication number: 20130310246Abstract: A liquid composition comprising: a liquid medium comprising at least one aprotic polar organic solvent and less than 25 wt % based on the total weight of the composition of an alcohol; and at least 5 wt % based on the total weight of the composition of at least one fluorinated anion exchange polymer comprising a fluorocarbon backbone and side-chains covalently attached to the backbone having terminal groups of formula (I): —SO2NR1Q+X?, wherein Q+ is a group comprising at least one quaternary nitrogen atom, and R1 is H or a C1-C20 alkyl group, or forms a ring together with a group in Q+, wherein the ring contains 2 to 10 carbon atoms and, optionally, up to 4 heteroatoms; and X? is an anion selected among the group consisting of organic anions and lipophilic inorganic anions is disclosed. The liquid composition is suitable for the preparation of ion exchange membranes and as binders for electrocatalytic layers for use in electrochemical applications.Type: ApplicationFiled: January 18, 2012Publication date: November 21, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Silvia Petricci, Pier Antonio Guarda, Claudio Oldani, Giuseppe Marchionni
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Publication number: 20130289189Abstract: The invention pertains to a thermoprocessable composition comprising: at least one thermoprocessable per(halo)fluoropolymer [polymer (A)]; at least one inorganic filler [filler (I)]; and at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)— wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl.Type: ApplicationFiled: December 16, 2011Publication date: October 31, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Pasqua Colaianna, Marco Avataneo, Emanuele Di Nicolo, Giambattista Besana, Giuseppe Marchionni
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Patent number: 8557952Abstract: The invention pertains to novel (per)fluoropolyethers comprising at least one (per)fluoropolyoxyalkylene chain (chain Rf) comprising at least one recurring unit (R2) having formula: CF2—CF(CF2OSO2F)—O— (poly(fluorosulfate) PFPE) to a process for their manufacture, and to their use for providing functional (per)fluoropolyethers.Type: GrantFiled: December 2, 2009Date of Patent: October 15, 2013Assignee: Solvay Solexis S.p.A.Inventors: Giuseppe Marchionni, Silvia Petricci, Pier Antonio Guarda
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Publication number: 20130267618Abstract: The invention pertains to foamable thermoplastic fluoropolymer composition comprising: at least one fluoropolymer [polymer (A)]; and at least one perfluoroalkoxysulphonic derivative of either of formulae: (Xn+)1/n?O3S—CF2CF2O—Rdf—OCF2CF2—SO3?(Xn+)1/n and Rmf—OCF2CF2—SO3?(Xn+)1/n wherein Rdf is a divalent C1-C12 perfluorocarbon group, possibly comprising one or more ethereal oxygen atom; Rmf is a monovalent C1-C12 perfluorocarbon group, possibly comprising one or more ethereal oxygen atom, optionally comprising heteroatoms, generally selected from S, N, P; X?H, a metal cation, or an ammonium group; n is the valence of the cation X, preferably 1 or 2.Type: ApplicationFiled: December 9, 2011Publication date: October 10, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Pasqua Colaianna, Giambattista Besana, Emanuele Di Nicolo, Letanzio Bragante, Giuseppe Marchionni, Giulio Brinati
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Publication number: 20130244131Abstract: A method for the preparation of corrugated fuel cell units from a composite laminate comprising an ion conductive membrane having first and second surface; a first electrocatalyst layer in contact with the first surface of the membrane; a second electrocatalyst layer in contact with the second surface of the membrane; a first metallic mesh in contact with said first electrocatalyst layer and a second metallic mesh in contact with said second electrocatalyst layer.Type: ApplicationFiled: November 28, 2011Publication date: September 19, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Vincenzo Arcella, Giuseppe Marchionni, Ugo De Patto, Pier Antonio Guarda
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Patent number: 8507642Abstract: The invention pertains to a process for the addition of at least one (per)fluoropolyether peroxide comprising at least one peroxidic moiety and at least one fluoropolyoxyalkene chain (chain Rf) (i.e. a fluorocarbon segment comprising ether linkages in main chain) [peroxide (P)] onto a per(halo)fluorinated aromatic compound [compound (F)], so as to yield an addition compound of said compound (F), said addition compound [compound (A)] comprising at least one perfluorinated non-aromatic cyclic moiety having at least two substituents comprising a chain Rf and, optionally, conjugated or non conjugated double bond(s). Said addition compounds have been notably found useful as additives for (per)fluorinated fluids and lubricants or as base materials for the manufacture of gum and/or graft polymer compositions.Type: GrantFiled: March 13, 2009Date of Patent: August 13, 2013Assignee: Solvay Solexis S.p.A.Inventors: Giuseppe Marchionni, Marco Avataneo, Pier Antonio Guarda