Patents by Inventor Hubert Baptiste

Hubert Baptiste 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 the production of alkanesulphonic acids
    Patent number: 4859373
    Abstract: A process for the production of an alkanesulphonic acid by hydrolyzing in the heated state an alkanesulphonyl chloride. The process is preferably continuous. The hydrolysis reaction is initiated by the instantaneous use of energy released by the state change of one of the reagents internal to the system.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: August 22, 1989
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Jean Ollivier, Christian H. Lagaude, Hubert Baptiste, Michele Larrouy
  • 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