Ink for ink-jet recording
US7303618B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2007 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | Feb 15, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink for ink-jet recording is provided in which copper phthalocyanine dyes and a thiazole-based compound are used. In this ink, the mildew resistant properties are not impaired, and the ink exhibits excellent ozone resistance. Furthermore, the formation of a precipitate is prevented in the ink although the thiazole-based compound is used. In the ink for ink-jet recording, as copper phthalocyanine dyes, two types of dyes are used together with a thiazole-based compound. Furthermore, about 1 mol % to about 20 mol % of the total counter ions in the two types of copper phthalocyanine dyes are ammonium ions or organic ammonium ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.