Water-based ink composition for ink-jet printing, ink-jet printing method using the same and printed matter
US6806300B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 30, 2001 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Oct 1, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/326
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-based ink composition for ink-jet printing, containing at least pigment, a dispersing resin, a surface active agent, an organic solvent and water, in which the pigment is dispersed with the dispersing resin, characterized in that the dispersing resin comprises a copolymer (I) prepared by polymerizing a monomer mixture (I) containing a monomer (A) represented by the formula (I), a monomer (B) represented by the formula (II) and a monomer (C) represented by the formula (III) and a copolymer (II) prepared by polymerizing a monomer mixture (II) containing a monomer (D) represented by the formula (IV) and a monomer (E) represented by the formula (V).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.