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US 12,202,774 B2Granted
Aluminium oxide ceramic material
AssigneeIvoclar Vivadent AG
InventorsJörg Reinshagen, Rick Niebergall
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Abstract
An aluminium oxide ceramic material containing the following components: component wt.-% Al2O3 95.0 to 99.989 MgO 0.001 to 0.1 Eu, calculated as Eu2O3 0.01 to 1.0.
Claims20
An aluminium oxide ceramic material comprising the following components:
- Component
- wt.-%
- Al2O3
- 95.0 to 99.989
- MgO
- 0.001 to 0.1
- Eu, calculated as Eu2O3
- 0.01 to 1.0,
- which comprises at least two layers differing in colour.
6 more elements
An aluminium oxide ceramic material comprising the following components:
- Component
- wt.-%
- Al2O3
- 95.0 to 99.989
- MgO
- 0.001 to 0.1
- Eu, calculated as Eu2O3
- 0.01 to 1.0,
- which comprises a europium aluminate crystal phase.
6 more elements
Dependencies are inferred from the claim text.