Fluorescent image-printed article and fluorescent ink
US7575253B2 · kind B2 · utility
3Cited by
19References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2005 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Nov 19, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fluorescent image-printed article including a substrate, and an image formed on the substrate, wherein the image is formed from a fluorescent ink containing a binder, and a fluorescent substance which is dispersed in the binder, is capable of emitting fluorescence when irradiated with ultraviolet rays, and is substantially transparent to visible light, the fluorescent substance being formed of a rare earth complex containing, as a ligand, a compound represented by the following formula (1):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.