Aqueous ink, and ink-jet recording method, ink-jet recording apparatus, and image forming method using the same
US7160376B2 · kind B2 · utility
39Cited by
18References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 28, 2004 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Apr 28, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous ink comprising at least water, a water-soluble organic solvent and a colorant.The colorant comprises a pigment containing a pigment particle having at least one ionic group bonded to a surface of the pigment particle directly or via another atomic group.The organic solvent undergoes completely or substantially no solvation with the pigment and the ionic group of the pigment particle undergoes completely or substantially no ion dissociation in the organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.