Ink set
US7211132B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2004 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | May 1, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
To provide an ink set capable of recording images with good ozone fastness on a recording medium, an ink set of the present invention comprises at least a yellow ink composition, a magenta ink composition, and a cyan ink composition. The cyan ink composition contains at least one of the compounds expressed by formula (1) below as a cyan dye:and the magenta ink composition contains, as a colorant, at least one substance selected from the group consisting of compounds expressed by formula (2) below:and salts thereof(in formula (2), A represents an alkylene group, an alkylene group containing a phenylene group, or a group expressed by formula (3) below:and X represents a group selected from the group consisting of NH2, OH, and Cl).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.