{"number":"US12697193B2","kindCode":"B2","documentType":"grant","title":{"original":"Method for the production of a blank, blank and a dental restoration","english":"Method for the production of a blank, blank and a dental restoration"},"abstract":{"original":"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.…","english":"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.…"},"applicants":["DENTSPLY SIRONA Inc."],"inventors":["Markus VOLLMANN","Lothar VOLKL","Stefan FECHER","Carsten WIESNER"],"filingDate":"2023-10-20","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697193B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697193B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697193B2","ja":"https://downloadpatent.com/ja/patent/US12697193B2"}}