Patents by Inventor Sylvie Mahe

Sylvie Mahe 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).

  • Zircon refractories with improved thermal shock resistance
    Patent number: 5124287
    Abstract: Dense zircon refractories having improved thermal shock damage resistance for use in glass melt or high alkali vapor contact applications comprise, and, consist essentially of, about fifty percent by weight or more ZrSiO.sub.4, at least about one percent zirconia in particle form distributed substantially uniformly throughout the composition of the refractory, and optionally, a zircon grain growth enhancing composition, preferably TiO.sub.2.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: June 23, 1992
    Assignee: Corhart Refractories Corporation
    Inventors: Thomas M. Wehrenberg, Charles N. McGarry, Sylvie Mahe, Douglas A. Drake