公开(公告)号：US20190382304A1

公开(公告)日：2019-12-19

申请号：US16527122

申请日：2019-07-31

Applicant: DENTSPLY SIRONA Inc.

Inventor： Markus VOLLMANN ,  Irmgard WISSEL ,  Marcel MEEGDES ,  Carsten WIESNER

IPC: C03C10/00 ,  A61C13/00 ,  C03C3/097 ,  C03C4/00 ,  C03B32/02

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.

公开(公告)号：US20180099900A1

公开(公告)日：2018-04-12

申请号：US15717565

申请日：2017-09-27

Applicant: DENTSPLY SIRONA Inc.

Inventor： Markus Vollmann ,  Irmgard WISSEL ,  Marcel MEEGDES ,  Carsten WIESNER

IPC: C03C10/00 ,  C03C4/00 ,  C03B32/02 ,  A61C13/00

CPC classification number: C03C10/0027 ,  A61C13/0022 ,  C03B32/02 ,  C03C3/097 ,  C03C4/0021 ,  C03C2204/00

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.