Photochromic fluorescent compositions
US5298190A · kind A · utility
2Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1992 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Sep 14, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K9/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition containing a photochromic material and a fluorescent pigment provides a duality of color in products where the composition is used as the coloring agent. Under ordinary lighting conditions, the composition will provide a brilliant, glowing color and under excitation illumination such a ultraviolet radiation, a different brilliant glowing color results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.