Ink compositions containing ionic liquid solvents
US6048388A · kind A · utility
38Cited by
10References
26Claims
0Family size
Inventor
Key dates
| Filing date | Jun 29, 1998 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Jun 29, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an ink composition which comprises water, a colorant, and an ionic liquid material. In a preferred embodiment, the ink is substantially free of organic solvents. Also disclosed is a process which comprises incorporating the ink composition into an ink jet printing apparatus and causing droplets of the ink composition to be ejected in an imagewise pattern onto a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.