Patents Assigned to Association pour la Recherches et le Developpement des Methodes et Processus Industriels
  • Method of coating carbon filaments with silicon carbide
    Patent number: 4131697
    Abstract: A coating of silicon carbide is formed on carbon filaments by passing the heated filaments into an atmosphere of hydrogen and silicon tetrachloride to deposit silicon, and then into a silicon carbide-forming atmosphere. Carbon filaments having a coating of silicon carbide up to 0.2 micron or over 10 microns thick are described.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: December 26, 1978
    Assignee: Association pour la Recherches et le Developpement des Methodes et Processus Industriels
    Inventors: Jean-Louis R. G. Randon, Georges S. Slama