Aqueous ink of pigment type
US5736606A · kind A · utility
26Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1996 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Dec 30, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous pigment ink is provided made of a pigment, a dispersant, water, and a water-soluble solvent, wherein the dispersant contains a copolymer of a monomer (a) represented by formula (A), and one or more monomers (b) selected from the group consisting of compounds represented by formulae (B) and (C): ##STR1## Wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, AO, m.sub.1, m.sub.2, n, M.sub.1, M.sub.2 and Y are as defined herein that gives improved jettability, storage stability and printing characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.