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US 11,446,410 B2Granted
Chemically strengthened bioactive glass-ceramics
AssigneeCorning Incorporated
InventorsHuayun Deng, Qiang Fu, John Christopher Mauro
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Abstract
A chemically strengthened bioactive glass-ceramic composition as defined herein. Also disclosed are methods of making and using the disclosed compositions.
Claims9
A glass-ceramic composition, comprising:
- a first crystalline phase and a second crystalline phase, in combination, comprise a source of:
- 50 to 75 wt % SiO2,
- 1 to 5 wt % Al2O3,
- 0.1 to 10% B2O3,
- 5 to 20 wt % Li2O,
- 0.5 to 5 wt % Na2O,
- 0 to 4% K2O,
- 0.5 to 6 wt % P2O5
- 0.5 to 8% ZrO2, and
- 0.1 to 1.0 wt % F−, based on a 100 wt % total of the composition.
7 more elements
A glass-ceramic article comprising:
- 50 to 75 wt % SiO2,
- 1 to 5 wt % Al2O3,
- 0.1 to 10% B2O3,
- 5 to 20 wt % Li2O,
- 0.5 to 5 wt % Na2O,
- 0 to 4% K2O,
- 0.5 to 6 wt % P2O5,
- 0.5 to 8% ZrO2, and
- 0.1 to 1.0 wt % F−, based on a 100 wt % total of the composition.
6 more elements
Dependencies are inferred from the claim text.