Patents by Inventor Giovanna Palamone

Giovanna Palamone 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: 20110040039
    Abstract: Core-shell particles having a core of at least one tetrafluoroethylene (TFE) polymer and having an average primary particle size of less than 50 nm; and a shell of at least one acrylic polymer having recurring units, more than 50% by moles of which being derived from at least one ethylenically unsaturated monomer having directly bonded to one of the sp2 carbon atoms of the ethylenic unsaturation at least one group of formula: Process for manufacturing core-shell particles. Use as ingredients/additives in polymer compositions, polymer composition and articles containing the same.
    Type: Application
    Filed: April 24, 2007
    Publication date: February 17, 2011
    Applicant: SOLVAY SOLEXIS S.P.A.
    Inventors: Giovanna Palamone, Tiziana Poggio, Valeri Kapeliouchko, Michele Laus
  • Publication number: 20050197426
    Abstract: Compositions containing core-shell particles having a core polytetrafluoroethylene-based polymers (PTFE) and shell styrene-based polymers (PS), wherein the particles contain an amount by weight of PTFE from 3 to 50%, preferably from 5 to 30% by weight, wherein the core PTFE particles have an average diameter from 5 to 100 nm, preferably from 10 to 70 nm, the core-shell particles having an average diameter from 10 to 170 nm, preferably from 20 to 100 nm.
    Type: Application
    Filed: April 27, 2004
    Publication date: September 8, 2005
    Inventors: Giovanna Palamone, Valery Kapeliouchko, Michele Laus
  • Publication number: 20050075250
    Abstract: Lubricating greases comprising: A) from 65.1 to 95% by weight of a (per)fluoropolyether oil having a viscosity at 20° C. in the range 20-2,000 cSt; B) from 5 to 34.9% by weight of powder of polytetrafluoroethylene or of a tetrafluoroethylene copolymer with another monomer having an ethylene type unsaturation, said powder obtainable by coagulation with an electrolyte of an aqueous latex containing polymeric particles having sizes comprised between 5 and 100 nm, wherein the grease has a surfactant content lower than 20 ppm and a water content lower than 100 ppm.
    Type: Application
    Filed: September 28, 2004
    Publication date: April 7, 2005
    Inventors: Patrizia MaCcone, Piero Gavezotti, Giovanna Palamone
  • Patent number: 6790932
    Abstract: A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE, comprising the following steps: A) obtaining of the polymer latex under the gel form; B) washing of the polymer gel with acid aqueous solutions or neutral aqueous solutions; C) granulation of the gel washed by mechanical stirring, at a specific power in the range 1.5-10 kW/m3, until flotation of the PTFE fine powder, and separation of the floated fine powder; D) drying in an aerated oven of the floated fine powder at a drying temperature in the range 90° C.-160° C.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: September 14, 2004
    Assignee: Ausimont S.p.A.
    Inventors: Valery Kapeliouchko, Hua Wu, Giovanna Palamone
  • Patent number: 6780363
    Abstract: Compositions containing core-shell particles having a core polytetrafluoroethylene-based polymers (PTFE) and shell styrene-based polymers (PS), wherein the particles contain an amount by weight of PTFE from 3 to 50%, preferably from 5 to 30% by weight, wherein the core PTFE particles have an average diameter from 5 to 100 nm, preferably from 10 to 70 nm, the core-shell particles having an average diameter from 10 to 170 nm, preferably from 20 to 100 nm.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: August 24, 2004
    Assignee: Ausimont S.p.A.
    Inventors: Giovanna Palamone, Valery Kapeliouchko, Michele Laus
  • Publication number: 20030088055
    Abstract: A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE, comprising the following steps:
    Type: Application
    Filed: July 26, 2002
    Publication date: May 8, 2003
    Applicant: Ausimont S.p.A.
    Inventors: Valery Kapeliouchko, Hua Wu, Giovanna Palamone
  • Publication number: 20020193495
    Abstract: Compositions containing core-shell particles having a core polytetrafluoroethylene-based polymers (PTFE) and shell styrene-based polymers (PS), wherein the particles contain an amount by weight of PTFE from 3 to 50%, preferably from 5 to 30% by weight, wherein the core PTFE particles have an average diameter from 5 to 100 nm, preferably from 10 to 70 nm, the core-shell particles having an average diameter from 10 to 170 nm, preferably from 20 to 100 nm.
    Type: Application
    Filed: March 15, 2002
    Publication date: December 19, 2002
    Applicant: Ausimont S.p.A.
    Inventors: Giovanna Palamone, Valery Kapeliouchko