Patents by Inventor Robert Janin

Robert Janin 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).

  • Patent number: 6770776
    Abstract: Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an atomic number greater than that of fluorine and the at least one halophoric carbon atom being bonded to at least one chalcogen, with at least one reactant which comprises a complex of a Bronstedt base with a defined amount n of hydrofluoric acid, n being at least 3 and not greater than 20.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: August 3, 2004
    Assignee: Rhone-Poulenc Chimie
    Inventors: Robert Janin, Laurent Saint-Jalmes
  • Publication number: 20020038061
    Abstract: Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an atomic number greater than that of fluorine and the at least one halophoric carbon atom being bonded to at least one chalcogen, with at least one reactant which comprises a complex of a Bronstedt base with a defined amount n of hydrofluoric acid, n being at least 3 and not greater than 20.
    Type: Application
    Filed: September 25, 2001
    Publication date: March 28, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Robert Janin, Laurent Saint-Jalmes
  • Patent number: 6316636
    Abstract: Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an atomic number greater than that of fluorine and the at least one halophoric carbon atom being bonded to at least one chalcogen, with at least one reactant which comprises a complex of a Bronstedt base with a defined amount n of hydrofluoric acid, n being at least 3 and not greater than 20.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: November 13, 2001
    Assignee: Rhone-Poulenc Chimie
    Inventors: Robert Janin, Laurent Saint-Jalmes