Water-based ink for ink-jet recording and ink container
US10604669B2 · kind B2 · utility
0Cited by
3References
15Claims
0Family size
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Key dates
| Filing date | Jan 29, 2018 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Jul 12, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/324
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is provided a water-based ink for ink-jet recording including: water; a self dispersible black pigment of which mean particle diameter is not less than 140 nm; and a resin-dispersed pigment which is a copper phthalocyanine-based pigment and of which sedimentation velocity in the water-based ink is slower than sedimentation velocity of the self-dispersible black pigment in the water-based ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.