Patents by Inventor Raphael Bodet

Raphael Bodet 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).

  • Conversion of polycarbosilanes into silicon nitride ceramics
    Patent number: 5028571
    Abstract: Silicon nitride ceramic materials are produced by (a) hardening a fusible polycarbosilane containing at least two .dbd.SiH groups per molecule by intimately contacting such fusible polycarbosilane with an effective hardening amount of the vapors of sulfur, and then (b) pyrolyzing the infusible polycarbosilane which results under an ammonia atmosphere.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: July 2, 1991
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Paul Pillot, Jacques Dunogues, Marc Birot, Raphael Bodet, Francoise Duboudin