Patents by Inventor Philippe Pradeau

Philippe Pradeau 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).

  • Beta-quartz glass ceramics and related precursor glasses
    Patent number: 8753991
    Abstract: ?-quartz glass-ceramics, the composition of which is most particularly optimized, with reference to the refining of their precursor glasses, with reference to good resistance to devitrification of said precursor glasses and with reference to their resistance to temperature ageing, articles comprising such glass-ceramics, lithium alumino-silicate glasses, which are precursors of such glass-ceramics, as well as methods for preparing such glass-ceramics and articles.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: June 17, 2014
    Assignee: Eurokera
    Inventors: Marie Jacqueline Monique Comte, Isabelle Marie Melscoét-Chauvel, Delavand Ovono Ovono, Philippe Pradeau
  • BETA-QUARTZ GLASS CERAMICS AND RELATED PRECURSOR GLASSES
    Publication number: 20130178353
    Abstract: ?-quartz glass-ceramics, the composition of which is most particularly optimized, with reference to the refining of their precursor glasses, with reference to good resistance to devitrification of said precursor glasses and with reference to their resistance to temperature ageing, articles comprising such glass-ceramics, lithium alumino-silicate glasses, which are precursors of such glass-ceramics, as well as methods for preparing such glass-ceramics and articles.
    Type: Application
    Filed: January 21, 2011
    Publication date: July 11, 2013
    Inventors: Marie Jacqueline Monique Comte, Isabelle Marie Melscoët-Chauvel, Delavand Ovono Ovono, Philippe Pradeau