Patents by Inventor Stephane R. Goujard

Stephane R. Goujard 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 manufacture of a refractory composite material protected against corrosion
    Patent number: 5246736
    Abstract: The manufacture of a refractory composite material protected against corrosion and comprising fibrous reinforcement densified by a matrix, comprises a step of forming, either within the matrix or at its surface, at least one continuous layer constituted by a ternary silicon-boron-carbon system obtained by chemical vapor deposition or infiltration. The elements silicon and boron are thereby distributed uniformly, with the boron content in the Si-B-C system being not less than 5% in atom percentage.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: September 21, 1993
    Assignee: Societe Europeenne de Propulsion
    Inventors: Stephane R. Goujard, Lionel Vandenbulcke, Jacques Rey, Jean-Luc Charvet, Henri Tawil