Water-based inks and ink sets and use thereof
US5888284A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Jul 11, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink set (TS) containing of a plurality of inks (T1, T2, T3, T4, T . . . ) of various ink colors, containing at least one red or magenta-colored ink, one blue or cyan-colored ink and one yellow ink plus optionally also a black ink, in particular for use in ink jet printers, where each ink (T1, T . . . ) contains at least one soluble dyestuff (FS1, FS . . . ) as the essential coloring agent (FM) and water (W) and/or organic solvent as the main solvent (LM) and one or more drying retardants (TV) and optionally preservative(s) (KM) and/or other additives (Z1, Z2, Z3, Z4, Z . . . ).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.