Zirconia covering element with selective coloring
US11144012B2 · kind B2 · utility
0Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2016 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Jan 29, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B37/225
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a covering element for a portable object made of a first material, the first material being a ceramic material having a first color, characterized in that the surface of said covering element is at least partially treated so as to exhibit at least one conversion having a different color from the first color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.