Patents by Inventor Giulio Brinati
Giulio Brinati 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).
-
Publication number: 20130267622Abstract: The present invention pertains to a process for the manufacture of a grafted fluorinated polymer comprising at least one grafted side chain comprising one or more glycosidic recurring units [polymer (F)], said process comprising polymerizing: vinylidene fluoride (VDF), optionally, one or more other fluorinated monomers [monomers (F)], and optionally, one or more (meth)acrylic monomers [monomers (MA)], in the presence of at least one polysaccharide derivative [derivative (P)], said polysaccharide derivative having a dynamic viscosity of less than 15 mPa×s, as measured according to ASTM D445 at 20° C. in an aqueous solution at a concentration of 2% by weight, and by further providing novel polymers (F) as defined above.Type: ApplicationFiled: December 13, 2011Publication date: October 10, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Julio A. Abusleme, Roberto Biancardi, Fabien Roblot, Anna Maria Bertasa, Giulio Brinati
-
Publication number: 20110082271Abstract: A polymer comprising recurring units derived from vinylidene fluoride (VDF) and trifluoroethylene (TrFE), such polymer comprising end groups of formula —CF2H and/or —CF2CH3 in an amount of at least 60 mmoles per kg of VDF recurring units [polymer (F)], a process for its manufacture and the use thereof as ferroelectric, piezoelectric, dielectric or pyroelectric material in electric/electronic devices.Type: ApplicationFiled: May 26, 2009Publication date: April 7, 2011Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Giulio Brinati, Alessio Marrani, Bernard Goffaux
-
Publication number: 20090203830Abstract: The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer having a melt flow index (MFI) of less than 10 g/10 min. as measured according to ASTM D-1238 under a piston load of 5 kg polymer A; from 0.05 to 5% by weight of A at least one (per)fluoropolyether, polymer B; and from 0 to 10% by weight of A of at least one per(halo)fluoropolymer polymer C. The addition of a (per)fluoropolyether B and, optionally, of a per(halo) fluoropolymer C advantageously enables improvement of rheological behavior of thermoplastic partially fluorinated fluoropolymer A, making possible processing in less severe conditions and yielding final parts with outstanding surface aspect and good homogeneity and coherency. Still objects of the inventions are the process for manufacturing said thermoplastic fluoropolymer composition and the articles thereof.Type: ApplicationFiled: June 27, 2006Publication date: August 13, 2009Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Julio A. Abusleme, Giulio Brinati, Pier Antonio Guarda
-
Publication number: 20090192259Abstract: Use in LAN cable applications, as materials for the coating of the primary cable and for the external jacket, of TFE thermoprocessable perfluoropolymers comprising perfluoroalkylvinylethers in the following amounts, expressed as percent by weight on the total of the monomers: a) 0-5.5% of perfluoromethylvinylether (PMVE); b) 0.4-4.5% of perfluoroethylvinylether (PEVE) and/or perfluoropropylvinylether (PPVE); when a) is present, then a)+b) ranges from 1.5% to 5.5% by weight on the total of the monomers; optionally c) 0-6% of hexafluoropropene (HFP); the TFE amount being the complement to 100% by weight.Type: ApplicationFiled: February 20, 2007Publication date: July 30, 2009Applicant: Solvay Solexis S.p.AInventors: Pasqua Colaianna, Giulio Brinati, Aldo Sanguineti
-
Publication number: 20090171004Abstract: The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one thermoplastic partially fluorinated fluoropolymer having a melt flow index (MFI) of less than 10 g/10 min, as measured according to ASTM D-1238 under a piston load of 5 kg polymer A; from 0.05 to 5% by weight of A at least one (per)fluoropolyether, polymer B; and from 0 to 10% by weight of A of at least one per(halo)fluoropolymer polymer C. The addition of a (per)fluoropolyether B and, optionally, of a per(halo)fluoropolymer C advantageously enables improvement of rheological behavior of thermoplastic partially fluorinated fluoropolymer A, making possible processing in less severe conditions and yielding final parts with outstanding surface aspect and good homogeneity and coherency. Still objects of the inventions are the process for manufacturing said thermoplastic fluoropolymer composition and the articles thereof.Type: ApplicationFiled: June 27, 2006Publication date: July 2, 2009Applicant: Solvay Solexis S.p.AInventors: Julio A. Abusleme, Giulio Brinati, Pier Antonio Guarda
-
Patent number: 7122608Abstract: VDF polymerization process, optionally modified with small amounts of one or more fluoro-containing comonomers, carried out in the presence of a microemulsion comprising a (per) fluoropolyether having neutral end groups, having number average molecular weight between 400 and 3000, and a surfactant based on perfluoropolyethers with salified acid end groups, said surfactant having a number molecular weight Mn comprised between 400–600 and having a distribution of molecular weights such that fractions having a number average molecular weight higher than 700 are not present, or are in amount less than 5% by weight.Type: GrantFiled: June 30, 1997Date of Patent: October 17, 2006Assignee: Solvay Solexis, S.p.A.Inventors: Giulio Brinati, Paolo Lazzari, Vincenzo Arcella
-
Patent number: 7037991Abstract: Copolymers formed by TFE and FMVE containing FMVE in percent by moles from 2.5% to 8%; the % TFE moles being the complement to 100% of the FMVE moles.Type: GrantFiled: July 15, 2003Date of Patent: May 2, 2006Assignee: Solvay Solexis S.p.A.Inventors: Pasqua Colaianna, Giulio Brinati, Vincenzo Arcella
-
Patent number: 6939495Abstract: A thermoprocessable copolymer of TFE essentially formed by: (a) from 4.5 to 8.5% by weight of perfluoromethylvinylether (PMVE); (b) from 0.3 to 1.6% by weight of a perfluorodioxole of formula: wherein: Y=F, ORf, Rf wherein Rf is a perfluoroalkyl having from 1 to 5 carbon atoms; X1 and X2, equal to or diferent from each other, are —F or —CF3; (c) TFE, forming the remaining part to 100%.Type: GrantFiled: March 10, 2003Date of Patent: September 6, 2005Assignee: Ausimont S.p.A.Inventors: Pasqua Colaianna, Giulio Brinati, Giambattista Besana
-
Patent number: 6730761Abstract: Thermoprocessable copolymers of TFE essentially formed by the following monomers: (a) FMVE; ((b) a perfluorodioxole of formula: the complement to 100% by weight being TFE.Type: GrantFiled: December 19, 2002Date of Patent: May 4, 2004Assignee: Ausimont S.p.A.Inventors: Pasqua Colaianna, Giulio Brinati, Giambattista Besana
-
Publication number: 20040054107Abstract: Copolymers formed by TFE and FMVE containing FMVE in percent by moles from 2.5% to 8%; the % TFE moles being the complement to 100% of the FMVE moles.Type: ApplicationFiled: July 15, 2003Publication date: March 18, 2004Inventors: Pasqua Colaianna, Giulio Brinati, Vincenzo Arcella
-
Patent number: 6630271Abstract: Use of vinylidenfluoride (VDF) copolymers for preparing electrolyte polymers, wherein the VDF copolymers have the following polymeric structure (I): (CH2—CF2)m—(CXY—C(ORf)Z)n—(CF2—CF(CF3))p) wherein: Rf is a perfluoroalkyl group having from 1 to 3 carbon atoms; X, Y, and Z equal to or different from each other are selected from F, Cl or H; m,n and p are integers, n or p can be 0 but not simultaneously; said VDF copolymers being obtainable by emulsion polymerization at 75-120° C., preferably 95°-120° C., in the presence of organic initiators.Type: GrantFiled: February 2, 2000Date of Patent: October 7, 2003Assignee: Ausimont S.p.A.Inventors: Vincenzo Arcella, Giulio Brinati, Aldo Sanguineti
-
Publication number: 20030187169Abstract: A thermoprocessable copolymer of TFE essentially formed by:Type: ApplicationFiled: March 10, 2003Publication date: October 2, 2003Applicant: Ausimont SPAInventors: Pasqua Colaianna, Giulio Brinati, Giambattista Besana
-
Publication number: 20030158359Abstract: Thermoprocessable copolymers of TFE essentially formed by the following monomers:Type: ApplicationFiled: December 19, 2002Publication date: August 21, 2003Applicant: AUSIMONT S.p.AInventors: Pasqua Colaianna, Giulio Brinati, Giambattista Besana
-
Patent number: 6566471Abstract: New fluoroelastomers are described, having iodine atoms in terminal position and monomeric units in the chain deriving from an iodinated olefin of formula: CHR═CH—Z—CH2CHR—I (I) wherein: R is —H or —CH3; Z is a (per)fluoroalkylene radical C1-C18, linear or branched, optionally containing one or more ether oxygen atoms, or a (per)fluoropolyoxyalkylene radical. These products, upon peroxide curing, require extremely short post-curing treatments (around 30-60 minutes at 180°-230° C.) and are characterized by compression set values lower than 25% (measured on O-rings at 200° C. for 70 hours according to ASTM Standard D395 Method B).Type: GrantFiled: June 19, 1997Date of Patent: May 20, 2003Assignee: Ausimont S.p.A.Inventors: Vincenzo Arcella, Giulio Brinati, Margherita Albano, Vito Tortelli
-
Patent number: 6545111Abstract: A thermoprocessable copolymer of TFE essentially formed by: (a) from 4.5 to 8.5% by weight of perfluoromethylvinylether (PMVE); (b) from 0.3 to 1.6% by weight of a perfluorodioxole of formula: wherein: Y═F, ORf, Rf wherein Rf is a perfluoroalkyl having from 1 to 5 carbon atoms; X1 and X2, equal to or diferent from each other, are —F or —CF3; (c) TFE, forming the remaining part to 100%.Type: GrantFiled: June 22, 2001Date of Patent: April 8, 2003Assignee: Ausimont S.p.A.Inventors: Pasqua Colaianna, Giulio Brinati, Giambattista Besana
-
Publication number: 20020037959Abstract: A thermoprocessable copolymer of TFE essentially formed by:Type: ApplicationFiled: September 26, 2001Publication date: March 28, 2002Applicant: Ausimont S.p.A.Inventors: Pasqua Colaianna, Giulio Brinati, Giambattista Besana
-
Patent number: 6207758Abstract: Compositions containing fluorinated thermoplastic elastomers with different moelcular weight and with different plastomeric phase/elastomeric phase ratio, essentially formed by: (a) 30-80% by weight, preferably 50-80%, of a fluorinated thermoplastic elastomer, having a block structure of A-B-A type, wherein A is a plastomeric segment and B is an elastomeric segment; (b) 10-50% by weight, preferably 20-40% of a fluorinated thermoplastic elastomer having a block structure of A-B-A type; (c) 0-30% by weight, preferably 0-15%, of a fluorinated plastomer preferably of the same kind as that contained in the component (a) and/or (b).Type: GrantFiled: December 14, 1998Date of Patent: March 27, 2001Assignee: Ausimont S.p.A.Inventors: Giulio Brinati, Vincenzo Arcella
-
Patent number: 6201084Abstract: Vinylidenfluoride (VDF) thermoplastic copolymers, consisting of (a) from 0.1 to 10% by moles, preferably from 0.5 to 5%, of one or more fluorodioxoles of formula: wherein Y is equal to ORf wherein Rf is a perfluoroalkyl having from 1 to 5 carbon atoms, or Y═Z as defined hereinunder; Y is preferably equal to ORf; X1 and X2, equal to or different from each other, are —F or —CF3; Z is selected from —F, —H, —Cl; (b) VDF, being the remaining part to 100% by moles.Type: GrantFiled: June 30, 1997Date of Patent: March 13, 2001Assignee: Ausimont S.p.A.Inventors: Julio A. Abusleme, Giulio Brinati
-
Patent number: 6111028Abstract: O-rings obtainable from vinylidenfluoride (VDF)-based ionically cured copolymers having compression set lower than 20%.Type: GrantFiled: October 22, 1997Date of Patent: August 29, 2000Assignee: Ausimont S.p.A.Inventors: Giulio Brinati, Vincenzo Arcella, Marco Apostolo, Anna Staccione
-
Patent number: 6072020Abstract: Purification process of amorphous polymers comprising the following steps:a) the amorphous polymer is dissolved in a fluorinated solvent;b) the solution containing the polymer is microfiltered by semipermeable membranes having a porosity in the range 0.05-0.5 .mu.m, and the permeate forms the polymeric solution purified by contaminants in suspension;c) the permeate coming from b) is ultrafiltered/nanofiltered by membranes with porosity in the range 10-500 kDa, and the retentate is formed by the polymeric solution purified from the contaminants in solution.Type: GrantFiled: June 28, 1999Date of Patent: June 6, 2000Assignee: Ausimont S.p.A.Inventors: Vincenzo Arcella, Giulio Brinati, Patrizia Maccone