Photo-erasable ink for full color printing
US8303699B2 · kind B2 · utility
1Cited by
3References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2008 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Sep 7, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink compatibility including a dye and surface functionalized photocatalytically active semiconductor nanoparticles is provided. This ink composition enables the reuse of a print substrate, because the surface functionalized photocatalytically active semiconductor nanoparticles bleach the dye under an activating radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.