Recording liquid and ink-jet recording process using same
US5017227A · kind A · utility
71Cited by
11References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1989 |
| Grant date | May 21, 1991 |
| Priority date | — |
| Expiry date | Jul 26, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A recording liquid comprising dyes and a liquid medium, wherein the dyes include a black dye and at least one water-soluble dye of a magenta dye and a yellow dye in combination. The black dye is selected from the group, C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.