Fluorescent ink compositions comprising functionalized fluorescent nanocrystals
US6835326B2 · kind B2 · utility
42Cited by
5References
6Claims
0Family size
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Inventor
Key dates
| Filing date | Apr 16, 2003 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Jun 2, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/253
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A fluorescent ink composition comprising functionalized fluorescent nanocrystals, an aqueous-based ink carrier comprising water or a water-based solution, and a binder. Also provided are methods of providing an image or a security mark on a substrate for subsequent identification by applying a fluorescent ink composition onto the substrate
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.