Patents by Inventor Charles Nicholas McGarry

Charles Nicholas McGarry 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).

  • Doped sintered product based on zircon and zirconia
    Patent number: 9573850
    Abstract: A sintered product made from a starting batch containing 5 to 50% zircon and having the following average chemical composition, in weight percentages on the basis of the oxides and for a total of 100%: silica and zirconia, the zirconia content (ZrO2) being at least 64%, at least 0.2% of a dopant selected from V2O5, Nb2O5, Ta2O5, and mixtures thereof, optionally, a stabilizer selected from Y2O3, MgO, CaO, CeO2, and mixtures thereof, at a content of 6% or less, “other oxides” at a content of 6.7% or less.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 21, 2017
    Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Olivier Citti, Julien Fourcade, Michel Gaubil, Charles Nicholas McGarry, Michael J. Seaborne
  • Sintered materials produced from zircon and zirconia
    Patent number: 6121177
    Abstract: The invention relates to a novel sintered material, characterized in that it is produced from a batch containing 5 to 40% zircon and in that it has the following chemical composition in % by weight:______________________________________ ZrO.sub.2 + HfO.sub.2 82-96 SiO.sub.2 1.7-14 TiO.sub.2 0.2-3 Y.sub.2 O.sub.3 0.4-5 Al.sub.2 O.sub.3 0.2-2.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: September 19, 2000
    Assignee: Societe Europeenne des Produits Refractaires
    Inventors: Jacques Marius Louis Guigonis, Eric Thierry Georges Jorge, Charles Nicholas McGarry