Patents by Inventor Raphael Pastor

Raphael Pastor 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).

  • Perfluoroalkyl benzodiazepines
    Patent number: 3965092
    Abstract: New perfluoroalkyl derivatives of benzodiazepine are prepared by reacting an orthophenylenediamine with a beta-diketone at least one of whose alkyls is a C.sub.1 - C.sub.15 perfluoroalkyl. The stable products are useful as heat-exchange substances and as surfactants in organic solution.
    Type: Grant
    Filed: May 21, 1974
    Date of Patent: June 22, 1976
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Aime Cambon, Claude Giovannoni, Raphael Pastor, Jean Riess