Yellow hue compound and aqueous ink for ink-jet recording system using the same
US7091261B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2000 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Jul 26, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B29/363
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Aqueous ink for ink-jet recording which contains at least a water-insoluble coloring matter, water and a resin as main components and which takes the form of an emulsion, in which the coloring matter is at least one yellow hue coloring matter selected from the group consisting of a quinophthalone compound represented by the formula (1);and a pyridone azo compound represented by the formula (2);The ink is ink for ink-jet recording having excellent light resistance and storage stability, and enables formation of a high quality image without blotting, and obtained recording image is excellent in water resistance as ink for ink-jet recording.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.