Prosthetic articles of zirconium oxide stabilized with yttrium oxide
US6165925A · kind A · utility
16Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 18, 1998 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Jun 18, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00239
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An yttrium-stabilized zirconium oxide in predominantly tetragonal form is of the composition ZrO2 92.1%-93.5%, Y2O3 4.5%-5.5%, HfO2 1.8%-2.2%, and impurities at most 0.2%, for the production of a sintered semi-finished article as a starting material for manufacture of a prosthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.