Patents by Inventor Christian Lagaude

Christian Lagaude 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 and apparatus for the photochemical sulphochlorination of gaseous alkanes
    Patent number: 4735747
    Abstract: Process of preparation of sulphonyl alkane halides by the reaction between an alkane, sulphur dioxide and a halogen, in the presence of ultraviolet light in the gaseous phase; the gaseous mixture of the reactants contains at least 4 moles of SO.sub.2 per mole of hydrocarbon.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: April 5, 1988
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Jean Ollivier, Hubert Baptiste, Christian Lagaude, Michele Larrouy