High strength and aesthetic lithium disilicate crystalline glass-ceramics containing cristobalite crystal and preparation method thereof
US9676656B2 · kind B2 · utility
1Cited by
16References
5Claims
0Family size
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Key dates
| Filing date | Jul 6, 2016 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Jul 6, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2201/54
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is lithium disilicate crystalline glass containing cristobalite crystal phase for high strength and aesthetic traits and its manufacturing process thereof. Exemplary embodiments of the present invention provide the high strength and aesthetic lithium disilicate crystalline glass, one kind of dental restoration materials, and its manufacturing method which induces the growth of the different crystal phase, cristobalite, from glass with lithium disilicate crystal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.