Patent EP0544145A1 successfully refreshed from Google Patents.
EP0544145A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Dental ceramic material processable at low temperature
Assignee: Ducera Dental-Gesellschaft mbH
•
Filing: 1992-11-11
•
Granted: —
•
Expires: 2012-11-11
Abstract
Abstract A dental ceramic material is disclosed for the preparation and repair of metal ceramic and fully ceramic dentures, which has a processing temperature of 660+-30 degrees C., and has the following composition: 60 to 65% by weight of SiO2, 8.5 to 11% by weight of Al2O3, 8 to 12% by weight of K2O, 10.5 to 12% by weight of Na2O, 0.7 to 2% by weight of CaO, 0.6 to 2% by weight of BaO, 0.5 to 2.5% by weight of B2O3, 0.1 to 0.6% by weight of Sb2O3, 0 to 0.5% by weight of CeO2, 1.2 to 3.8% by weight of TiO2, 0.8 to 1.4% by weight of Li2O, and 1.2 to 3.8% by weight of F2.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 03:17
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C8/06; A; A61; A61K; A61K6/00; A61K6/80; A61K6/802; A61K6/816; A61K6/822; C03C8/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.