Aqueous ink and method for recording image with the aqueous ink
US5514208A · kind A · utility
52Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1994 |
| Grant date | May 7, 1996 |
| Priority date | — |
| Expiry date | Dec 21, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B11/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention provides an aqueous ink composition, in which the composition satisfies several requirements for properties of an ink for ink-jet printing, has a superior tone for magenta color and has an improved waterfastness. The aqueous ink composition comprises a dye, water and a huemectant, the dye comprising a dye of a general formula (I): ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.