| 摘要 |
The invention relates to a dental glass comprising 50 to 70 percent by weight of Si?<SUB>2</SUB>, 5 to 18 percent by weight of AI<SUB>2</SUB>O<SUB>3</SUB>, 6.1 to 30 percent by weight of MgO, 1 to 15 percent by weight of La<SUB>2</SUB>O<SUB>3</SUB>, 1 to 15 percent by weight of WO<SUB>3</SUB>, 0.1 to 8 percent by weight of ZrO<SUB>2</SUB>, and other optional oxides with the exception of the oxides of Sr, Ba, or alkali metals, the total of all percentages amounting to 100 percent by weight. |
| 申请人 |
IVOCLAR VIVADENT AG;EMPA DUEBENDORF;RITZBERGER (GEB. VAN T'HOEN), CHRISTIAN;RHEINBERGER, VOLKER;APEL, ELKE;BURTSCHER, PETER;HOELAND, WOLFRAM;GRAULE, THOMAS;ZUERCHER, SIMONE;VITAL, ANDRI |
发明人 |
RITZBERGER (GEB. VAN T'HOEN), CHRISTIAN;RHEINBERGER, VOLKER;APEL, ELKE;BURTSCHER, PETER;HOELAND, WOLFRAM;GRAULE, THOMAS;ZUERCHER, SIMONE;VITAL, ANDRI |
