Ink set and ink cartridge for ink-jet recording, ink-jet recording method, and ink-jet recording apparatus
US8192009B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2009 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Oct 21, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink set for ink-jet recording which includes multiple inks having different colors. Each of the multiple inks includes a colorant, a water-soluble organic solvent, a fluorine-based surfactant, and water. The viscosity difference among the multiple inks is 2.0 mPa·s or less at a temperature of 25° C. and a shearing speed of 230 1/s, and the viscosity difference among the multiple inks is 0.5 mPa·s or less at a temperature of 25° C. and a shearing speed of 100,000 1/s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.