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).

  • Publication number: 20200262941
    Abstract: The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO3Xa, —PO3Xa and —COOXa, whereas Xa is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.
    Type: Application
    Filed: September 4, 2018
    Publication date: August 20, 2020
    Inventors: Marco AVATANEO, Ugo DE PATTO, Giuseppe MARCHIONNI, Mirko TAVANO
  • Patent number: 10737997
    Abstract: A method for the manufacture of perfluorinated compounds is herein disclosed. In particular, the method is useful for the manufacture of perfluorooxyalkyl carboxylic acid salts which can be used as surfactants. The method envisages the fluorination or a fluoroformate of an alcohol comprising a —CH2OCH2-moiety at a temperature equal to or higher than 20° C. and allows obtaining high yields and selectivity.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: August 11, 2020
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Marco Galimberti, Vito Tortelli, Emanuela Antenucci, Giuseppe Marchionni
  • Patent number: 10723839
    Abstract: A process for the manufacture of a (per)fluoropolyether amine comprising reacting a sulfonic ester of a (per)fluoropolyether alcohol with an excess of ammonia or organic amine at selected temperature is herein disclosed. The process allows obtaining (per)fluoropolyether amines, in particular primary, secondary and tertiary (per)fluoropolyether amines with high yields and selectivity and can be conveniently applied on an industrial scale.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: July 28, 2020
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Ivan Diego Wlassics, Giuseppe Marchionni
  • Patent number: 10696768
    Abstract: The present invention pertains to a process for the manufacture of a crosslinkable fluoropolymer, to said crosslinkable fluoropolymer and the crosslinked fluoropolymer obtainable therefrom, to a film comprising said crosslinkable fluoropolymer or said crosslinked fluoropolymer and to uses of said crosslinked fluoropolymer film in various applications.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: June 30, 2020
    Assignee: SOLVAY SPECIALITY POLYMERS ITALY S.P.A.
    Inventors: Marco Apostolo, Francesco Maria Triulzi, Paula Cojocaru, Ivan Wlassics, Giuseppe Marchionni, Claudio Adolfo Pietro Tonelli
  • Patent number: 10689472
    Abstract: The present invention pertains to a process for the manufacture of a crosslinkable fluoropolymer, to said crosslinkable fluoropolymer and the crosslinked fluoropolymer obtainable therefrom, to a film comprising said crosslinkable fluoropolymer or said crosslinked fluoropolymer and to uses of said crosslinked fluoropolymer film in various applications.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: June 23, 2020
    Assignee: SOLVAY SPECIALITY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Ivan Wlassics, Alessio Marrani, Ivan Falco, Giuseppe Marchionni
  • Publication number: 20200165392
    Abstract: A fluorinated aromatic sulfone polymer [polymer (F-PS)] comprising: recurring units [units (A)] derived from at least one dihalo-diaryl sulfone [monomer (A)]; recurring units [units (B)] derived from at least one aromatic diol [monomer (B)]; at least one unit [units (PFPE)] derived from at least one fully or partially fluorinated polyether alcohol (PFPE alcohol), said polymer (F-PS) having a fluorine content ranging from 0.1% to 10% wt, is herein disclosed. Films and membranes obtained from (F-PS) are also disclosed, as well as their use in filtration methods.
    Type: Application
    Filed: April 19, 2018
    Publication date: May 28, 2020
    Inventors: Ritu AHUJA, Trupti NALAWADE, Emanuele DI NICOLO', Giovanni FONTANA, Ivan Diego WLASSICS, Giuseppe MARCHIONNI, Claudio Adolfo Pietro TONELLI
  • Patent number: 10533071
    Abstract: Disclosed are mixtures containing: mono- and bi-functional polymers [polymers (P-A) and (P—B)] comprising a plurality of (per)fluoropolyether segments [segments (SRF)] joined together by hydrogenated (poly)ether segments [segments (SH)], said polymers having two ends, wherein one or both ends comprises a hydroxy or a leaving group; a non-functional polymer comprising a plurality of (per)fluoropolyether segments (SRF) joined together by hydrogenated (poly)ether segments (SH), with the proviso that the hydrogenated (poly)ether segments (SH) are not segments of formula —CH2OCH2OCH2—. Disclosed are also monofunctional polymers (P-A) that can be isolated from such mixtures. Methods for the obtainment of the mixtures and for separating the polymers therein contained are also provided, as well as methods of using the mixtures or each polymer therein contained as intermediates or building blocks for the synthesis of other polymers or as ingredients of compositions.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: January 14, 2020
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Ivan Wlassics, Giuseppe Marchionni, Letanzio Bragante
  • Patent number: 10377857
    Abstract: The present invention relates to thermoplastic polyamides (PA) comprising recurring units derived from a PFPE dicarboxylic acid (PFPA-DA) or a PFPE diamine (PFPE-NN) in a defined weight amount with respect to other units derived from the other monomers used in the course of polymerization. Polyamides (PA) are endowed with improved surface properties, chemical resistance and reduced brittleness and do not require the addiction of impact modifiers.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 13, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Ivan Wlassics, Giuseppe Marchionni, Sanjay Gurbasappa Charati, Ritu Ahuja, Gourav Upadhyay
  • Patent number: 10280247
    Abstract: The present invention relates to non-aqueous fluoropolymer compositions useful for the preparation of polymeric materials.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: May 7, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Solange Barbieri, Giuseppe Marchionni
  • Publication number: 20190119192
    Abstract: A method for the manufacture of perfluorinated compounds is herein disclosed. In particular, the method is useful for the manufacture of perfluorooxyalkyl carboxylic acid salts which can be used as surfactants. The method envisages the fluorination or a fluoroformate of an alcohol comprising a —CH2OCH2-moiety at a temperature equal to or higher than 20° C. and allows obtaining high yields and selectivity.
    Type: Application
    Filed: March 28, 2017
    Publication date: April 25, 2019
    Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Marco GALIMBERTI, Vito TORTELLI, Emanuela ANTENUCCI, Giuseppe MARCHIONNI
  • Publication number: 20190100619
    Abstract: A process for the manufacture of a (per)fluoropolyether amine comprising reacting a sulfonic ester of a (per)fluoropolyether alcohol with an excess of ammonia or organic amine at selected temperature is herein disclosed. The process allows obtaining (per)fluoropolyether amines, in particular primary, secondary and tertiary (per)fluoropolyether amines with high yields and selectivity and can be conveniently applied on an industrial scale.
    Type: Application
    Filed: July 7, 2016
    Publication date: April 4, 2019
    Inventors: Claudio Adolfo Pietro TONELLI, Ivan Diego WLASSICS, Giuseppe MARCHIONNI
  • Patent number: 10246572
    Abstract: 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: Grant
    Filed: December 9, 2011
    Date of Patent: April 2, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Pasqua Colaianna, Giambattista Besana, Emanuele Di Nicolo, Letanzio Bragante, Giuseppe Marchionni, Giulio Brinati
  • Publication number: 20190062496
    Abstract: A method for the manufacture of fluorinated polymers and polymers obtainable therefrom are herein disclosed. The method envisages the reaction of a) first reagent [reagent (R1)] which is an alcohol selected from a (per)fluoropolyether (PFPE) alcohol a fluoroalkylene diol and a mixture thereof; b) a second reagent [reagent (R2)] which is a sulfonic ester of a PFPE, a sulfonic diester of a fluoroalkylene diol or a mixture thereof and, optionally, c) a third reagent which is a mono-functional (per)haloalkyl alcohol or a sulfonic ester thereof in the presence of an organic or inorganic base. At least reagent (R1) is a PFPE alcohol (A) or at least reagent (R2) is a PFPE sulfonic ester (B) and the overall equivalents of alcohols are the same as the overall equivalents of sulfonic esters. The method allows to obtain in a convenient way non-functional polymers comprising at least a PFPE segment and having high molecular weight.
    Type: Application
    Filed: February 20, 2017
    Publication date: February 28, 2019
    Applicant: Solvay Specialty Polymers Italy S.p.A.
    Inventors: Claudio Adolfo Pietro TONELLI, Ivan Diego WLASSICS, Stefano MILLEFANTI, Letanzio BRAGANTE, Solange BARBIERI, Giuseppe MARCHIONNI
  • Patent number: 10179836
    Abstract: A polymer [polymer (P)] comprising a plurality of (per)fluoropolyether (PFPE) segments [segments (SRF)] joined together by hydrogenated (poly)ether segments [segments (SH)], said polymers (P) having two end groups [groups (E)], each group (E) comprising a hydroxy or a leaving group, with the proviso that the hydrogenated (poly)ether segment (SH) is not a segment of formula —CH2OCH2 OCH2— is herein disclosed. Disclosed is also a method for the manufacture of polymer (P) and a polymer obtainable by full or partial fluorination of polymer (P). Polymer (P) and polymers obtainable therefrom by full or partial fluorination can be conveniently used in the manufacture of lubricant compositions or of compositions for imparting hydro-/oleo-repellence to substrates. Said polymers can also be used as intermediates for the manufacture of other polymers or block copolymers.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: January 15, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Solange Barbieri, Ivan Wlassics, Letanzio Bragante, Giuseppe Marchionni
  • Publication number: 20180319982
    Abstract: A method for providing a fluorinated polyamide is herein provided. The method envisages the copolymerization of a (per)fluoropolyether comprising amino or acid functional groups with a mixture of a hydrogenated dicarboxylic acid and a diamine and/or an aminoacid or lactam in the presence of a hydrogenated monocarboxylic acid and/or a hydrogenated monoamine. By appropriate selection of the functionality of the reaction mixture, fluorinated polyamides having an average molecular weight (Mw) lower than 16,000 and a content of PFPE segments ranging from 5% to 50% wt are obtained. These polyamides can be advantageously used as additives for other polyamides, in particular for non-fluorinated polyamides to provide blends that can be formed into shaped articles.
    Type: Application
    Filed: October 28, 2016
    Publication date: November 8, 2018
    Inventors: Claudio Adolfo Pietro TONELLI, Ritu AHUJA, Giuseppe MARCHIONNI, Ivan Diego WLASSICS, Sibdas SINGHAMAHAPATRA
  • Publication number: 20180079850
    Abstract: The present invention relates to non-aqueous fluoropolymer compositions useful for the preparation of polymeric materials.
    Type: Application
    Filed: March 22, 2016
    Publication date: March 22, 2018
    Inventors: Claudio Adolfo Pietro TONELLI, Solange BARBIERI, Giuseppe MARCHIONNI
  • Patent number: 9868684
    Abstract: 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 o
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: January 16, 2018
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Stefano Millefanti, Vito Tortelli, Giuseppe Marchionni, Stefania Albonetti, Manuel Gregori, Giuseppe Fornasari
  • Patent number: 9862787
    Abstract: 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: Grant
    Filed: December 11, 2012
    Date of Patent: January 9, 2018
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Marco Avataneo, Aldo Sanguineti, Matteo Fantoni, Giuseppe Marchionni
  • Publication number: 20170369645
    Abstract: A polymer [polymer (P)] comprising a plurality of (per)fluoropolyether (PFPE) segments [segments (SRF)] joined together by hydrogenated (poly)ether segments [segments (SH)], said polymers (P) having two end groups [groups (E)], each group (E) comprising a hydroxy or a leaving group, with the proviso that the hydrogenated (polytether segment (SH) is not a segment of formula —CH2OCH2 2 OCH2— is herein disclosed. Disclosed is also a method for the manufacture of polymer (P) and a polymer obtainable by full or partial fluorination of polymer (P). Polymer (P) and polymers obtainable therefrom by full or partial fluorination can be conveniently used in the manufacture of lubricant compositions or of compositions for imparting hydro-/oleo-repellence to substrates. Said polymers can also be used as intermediates for the manufacture of other polymers or block copolymers.
    Type: Application
    Filed: November 23, 2015
    Publication date: December 28, 2017
    Inventors: Claudio Adolfo Pietro TONELLI, Solange BARBIERI, Ivan WLASSICS, Letanzio BRAGANTE, Giuseppe MARCHIONNI
  • Patent number: 9828444
    Abstract: A poly-[1-4]-D-glucosamine derivative comprising [1-4]-D-glucosamine recurring units and comprising a fluoropolyether chain bound to the nitrogen atom in the C-2 position of at least one of the [1-4]-D-glucosamine recurring units.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: November 28, 2017
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Ivan Wlassics, Claudio Adolfo Pietro Tonelli, Giuseppe Marchionni