Aqueous ink set and its use
US6610130B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 24, 2001 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | Aug 24, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink set consists of several inks containing at least one of a red ink and a magenta ink, one of a blue ink and a cyan ink, and a yellow ink for piezo inkjet printers operating according to a drop-on-demand method. Each one of the inks contains at least one water-soluble dye as a principal colorant, a solvent, and one or more anti-drying agents. The solvent is substantially water. A first one of the inks contains “Direct Blue 199” as a primary or exclusive dye, a second one of the inks contains “Reactive Red 180” as a primary or exclusive dye, and a third one of the inks contains “Reactive Yellow 37” as a primary or exclusive dye. A black ink may be added to the ink set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.