Water-based ink for ink-jet recording and ink cartridge
US8741048B2 · kind B2 · utility
2Cited by
13References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2012 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Aug 29, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/324
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-based ink for ink jet recording includes a self-dispersible pigment modified by phosphate group; water; a water-soluble organic solvent; a cationic surfactant which is contained at 0.001% by weight to 0.05% by weight in the water-based ink for ink jet recording; and at least one selected from the group consisting of boric acids, a chelate agent, a reducing sugar and a sugar alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.