Luminescent composition
US9422473B2 · kind B2 · utility
2Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2010 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Mar 1, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7771
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a luminescent composition which is based on yttrium oxide sulfide and other oxide sulfides and to which at least one doping agent is added. The inventive composition has a characteristic emission spectrum and can optionally be used along with a reading system that is adjusted to the emission spectrum in order to mark substances or *substance mixtures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.