Patents by Inventor Marcel MEEGDES

Marcel MEEGDES 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).

  • LITHIUM SILICATE GLASS CERAMIC
    Publication number: 20190382304
    Abstract: The invention relates to a lithium silicate glass ceramic, which contains at least lithium disilicate as a crystal phase, and lithium aluminum silicate as further crystal phase. The lithium silicate glass ceramic in its initial composition contains Al2O3 at 1.5 to 3.5 percent by weight, and K2O at 0.6 to 1.8 percent by weight.
    Type: Application
    Filed: July 31, 2019
    Publication date: December 19, 2019
    Applicant: DENTSPLY SIRONA Inc.
    Inventors: Markus VOLLMANN, Irmgard WISSEL, Marcel MEEGDES, Carsten WIESNER
  • LITHIUM SILICATE GLASS CERAMIC
    Publication number: 20180099900
    Abstract: The invention relates to a lithium silicate glass ceramic, which contains at least lithium disilicate as a crystal phase, and lithium aluminum silicate as further crystal phase. The lithium silicate glass ceramic in its initial composition contains Al2O3 at 1.5 to 3.5 percent by weight, and K2O at 0.6 to 1.8 percent by weight.
    Type: Application
    Filed: September 27, 2017
    Publication date: April 12, 2018
    Applicant: DENTSPLY SIRONA Inc.
    Inventors: Markus Vollmann, Irmgard WISSEL, Marcel MEEGDES, Carsten WIESNER