Nanocrystalline zirconia and methods of processing thereof
US10004668B2 · kind B2 · utility
5Cited by
27References
29Claims
0Family size
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Key dates
| Filing date | Jun 12, 2014 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Aug 17, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/9661
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Zirconia dental ceramics exhibiting opalescence and having a grain size in the range of 10 nm to 300 nm, a density of at least 99.5% of theoretical density, a visible light transmittance at or higher than 45% at 560 nm, and a strength of at least 800 MPa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.