Patents Examined by Louis M. Trollo
  • ZrO.sub.2 - containing glass-ceramic
    Patent number: 5698482
    Abstract: A ZrO.sub.2 -containing glass ceramic is described, the main crystalline phase of which is formed by ZrO.sub.2 and which has at least one further crystalline phase, and which can be used in particular in dentistry.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: December 16, 1997
    Assignee: Ivoclar AG
    Inventors: Martin Frank, Volker Rheinberger, Wolfram Hoeland