Aqueous ink, ink jet recording method, ink cartridge and ink jet recording apparatus
US9090789B2 · kind B2 · utility
8Cited by
59References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2007 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | Dec 23, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous ink comprising water, a water-soluble organic solvent and at least two pigments. The aqueous ink is used together with a reaction liquid containing a reactive component that reacts with the aqueous ink to cause aggregation or gelation of the aqueous ink. The at least two pigments have a difference in precipitation value to the reaction liquid of 0.2 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.