Ink, ink cartridge and ink jet recording method
US8814341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2013 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | May 10, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0046
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is an ink capable of recording an image that is excellent in ozone resistance, hardly causes blurring or color change even in a high-humidity environment, and is excellent in humidity resistance. The ink includes a coloring material and a lithium ion. The coloring material includes a compound represented by the following general formula (I) and a content of the lithium ion in the ink is 3.5 times or more in terms of molar ratio with respect to a content of the compound represented by the general formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.