美國
US 12,697,193 B2
Method for the production of a blank, blank and a dental restoration
US 12,697,193 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：DENTSPLY SIRONA Inc.。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- DENTSPLY SIRONA Inc.
- 發明人
- Markus VOLLMANN; Lothar VOLKL; Stefan FECHER; Carsten WIESNER
- 公開日
- 2026-08-04
- 申請日
- 2023-10-20
- 文件種類
- B2 核准公告
- 也寫作
- US 12,697,193 B2 · US12697193 · 12697193
摘要
The invention relates to a method for the production of a blank of a ceramic material, wherein a first ceramic material and then a second ceramic material of different compositions are filled into a mold and wherein the materials are pressed and after pressing are sintered. Thereby, a layer of the first ceramic material is filled into the mold, a first open cavity is formed in the layer, the second ceramic material is filled into the first open cavity and the materials are pressed together and are then heat-treated.…
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專利局網站： 美國專利商標局（USPTO）