Patents by Inventor Hatem Marzouk

Hatem Marzouk 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).

  • Method for preparation of perfluoroalcanecarboxylic and perfluoroalkanesulfonic acids
    Patent number: 6111136
    Abstract: The invention consists of a new method for preparing perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids in which ozone is made to react, in a protic environment, upon a perfluoroalkyl chain comprising at least one oxydizable chemical group.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: August 29, 2000
    Assignees: Electricite de France Service National, Centre National de la Recherche Scientifique
    Inventors: Hatem Marzouk, Laurent Petit, Marc Tordeux, Amaya Berecibar, Claude Wakselman