Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
US7605192B2 · kind B2 · utility
20Cited by
22References
1Claims
0Family size
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Key dates
| Filing date | Dec 9, 2005 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Jul 30, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an aqueous ink, particularly an aqueous ink suitable for ink jet recording. The ink is an aqueous ink comprising a modified pigment having organic groups chemically attached to the surface of a particle of the pigment and an aqueous medium which is a dispersant of the pigment, wherein the above-described organic group includes a reaction product of a functional group chemically attached to the surface of the pigment directly or via another atomic group with a copolymer of an ionic monomer and a hydrophobic monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.