Inkjet ink, inkjet recording method and color toner composition
US7186292B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2004 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Mar 16, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/122
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coloring composition such as printing ink for inkjet printing or the like or electrophotographic color toner is provided, which can give a colored image or material excellent in the color hue and fastness, and also provide an inkjet recording method capable of forming an image having good color hue and high fastness to light and active gases in the environment, particularly ozone gas, and which is an inkjet ink comprising an azo dye having a specific structure containing an alkyl chain having 4 to more carbon atoms and not containing an ionic hydrophilic group; an inkjet recording method using the ink; and a color toner composition comprising the above-described azo dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.