Glass ceramic having SiO2 as main crystal phase
US12252435B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jul 12, 2021 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Dec 15, 2041 |
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.