| 9403721 |
Composite ceramic material comprising zirconia |
Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Frank Rothbrust, Heinrich Kappert +4 more |
2016-08-02 |
| 9249048 |
Lithium silicate glass ceramic and glass with ZrO2 content |
Christian Ritzberger, Marcel Schweiger, Harald Bürke, Wolfram Höland, Volker Rheinberger |
2016-02-02 |
| 8889576 |
Composite ceramic material comprising zirconia |
Wolfram Höland, Elke Apel, Christian Ritzberger, Frank Rothbrust, Heinrich Kappert +4 more |
2014-11-18 |
| 8778075 |
Lithium silicate glass ceramic and glass with ZrO2 content |
Christian Ritzberger, Marcel Schweiger, Harald Bürke, Wolfram Höland, Volker Rheinberger |
2014-07-15 |
| 8557150 |
Lithium silicate glass ceramic and glass with ZrO2 content |
Christian Ritzberger, Marcel Schweiger, Harald Bürke, Wolfram Höland, Volker Rheinberger |
2013-10-15 |
| 8536078 |
Lithium silicate glass ceramic and glass with ZrO2 content |
Christian Ritzberger, Marcel Schweiger, Harald Bürke, Wolfram Höland, Volker Rheinberger |
2013-09-17 |