Ink compositions
US5931995A · kind A · utility
23Cited by
18References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1997 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Sep 23, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink comprised of (1) a liquid aldehyde, a liquid acid, or mixtures thereof, (2) a solid additive aldehyde compound, a solid additive acid compound, or mixtures thereof, (3) a lightfastness UV absorber, (4) a lightfastness antioxidant, and (5) a colorant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.