United States
US 12,697,193 B2
Method for the production of a blank, blank and a dental restoration
US 12,697,193 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: DENTSPLY SIRONA Inc. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- DENTSPLY SIRONA Inc.
- Inventors
- Markus VOLLMANN; Lothar VOLKL; Stefan FECHER; Carsten WIESNER
- Publication date
- 2026-08-04
- Filing date
- 2023-10-20
- Document type
- B2 Granted patent
- Also written as
- US 12,697,193 B2 · US12697193 · 12697193
Abstract
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.…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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