Glass ceramic having SiO2 as main crystal phase
US11091388B2 · kind B2 · utility
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17References
20Claims
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Key dates
| Filing date | Jun 27, 2019 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Jun 27, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2204/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Glass ceramics having SiO2 as main crystal phase and precursors thereof are described which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.