Water based ink set for ink-jet recording and inkjet recording method
US7244297B2 · kind B2 · utility
2Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2005 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Mar 14, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water based ink set for ink-jet recording has a yellow ink, a magenta ink and a cyan ink each having at least a coloring agent, water and a water soluble organic solvent. The coloring agent of each of the black ink and the red ink is a pigment and the coloring agent of each of the yellow ink, the magenta ink and the cyan ink is a water soluble dye. The black ink and the red ink each have a dynamic surface tension at a lifetime of 100 ms of 40 mN/m or more and 45 mN/m or less as measured by a maximum bubble pressure method at 25° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.