Patents by Inventor Claudio Tonelli

Claudio Tonelli 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).

  • Process for preparing alpha, omega-haloperfluoroalkanes
    Patent number: 4731170
    Abstract: A process for preparing .alpha.,.omega.-dihaloperfluoroalkanes consisting in dihalogenating .alpha.,.omega.-diiodoperfluoroalkanes, or .alpha.,.omega.-chloroiodoperfluoroalkanes or .alpha.,.omega.-bromoiodoperfluoroalkanes with Cl.sub.2 or Br.sub.2.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: March 15, 1988
    Assignee: Ausimont S.p.A.
    Inventors: Gerardo Caporiccio, Gianangelo Bargigia, Claudio Tonelli, Vito Tortelli
  • Process for the fluorination in liquid phase of unsaturated compounds
    Patent number: 4684452
    Abstract: Process for the fluorination with elemental fluorine of fluorinated olefins, carried out in liquid phase using a perfluoropolyether as solvent, at temperatures comprised within the range of from -25.degree. C. to +120.degree. C., by using gaseous fluorine diluted with an inert gas.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: August 4, 1987
    Assignee: Ausimont S.p.A.
    Inventors: Giuseppe Marchionni, Claudio Tonelli, Alberto Nicoletti
  • Process for the synthesis of hexafluorobutadiene and of higher perfluorinated dienes
    Patent number: 4654448
    Abstract: Perfluorobutadiene and higher perfluoroalkadienes, with terminal double bonds, are obtained from .alpha.,.omega.-diiodoperfluoroalkanes by deiodofluorination realized by using an organometallic compound, in the presence either of an aprotic solvent belonging to the class of hydrocarbons, or of an aprotic polar solvent, with short reaction times.
    Type: Grant
    Filed: May 28, 1986
    Date of Patent: March 31, 1987
    Assignee: Ausimont S.p.A.
    Inventors: Gianangelo Bargigia, Vito Tortelli, Claudio Tonelli