Patents by Inventor Véronique Arnault

Véronique Arnault 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).

  • Heat barrier composition, a mechanical superalloy article provided with a ceramic coating having such a composition, and a method of making the ceramic coating
    Patent number: 6333118
    Abstract: A low thermal conductivity heat barrier composition, particularly for a superalloy article, is disclosed comprising a zirconia base and a dysprosium oxide having the dual function of stabilizing the zirconia and reducing the thermal conductivity thereof. Optionally, the composition also comprises a metal oxide containing a quadrivalent metallic ion selected from the group consisting of hafnium dioxide, cerium dioxide, uranium dioxide, and mixtures thereof.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: December 25, 2001
    Assignee: SNECMA Moteurs
    Inventors: Serge Alperine, Véronique Arnault, Odile Lavigne, Rémy Mevrel