Method for manufacturing pigment dispersed liquid, and pigment dispersed liquid, and ink for ink-jet printer recording using said pigment dispersed liquid
US6599356B2 · kind B2 · utility
7Cited by
7References
26Claims
0Family size
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Key dates
| Filing date | Jun 28, 2001 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Jun 28, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for manufacturing a pigment dispersed liquid, comprising at least:Step A of introducing a hydrophilic dispersibility-imparting group directly and/or via another atomic group to the surface of pigment particles;Step B of dispersing the pigment obtained in Step A in an aqueous medium; andStep C of conducting refining treatment of the dispersed liquid obtained in Step B.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.