Aqueous ink, ink cartridge and ink jet recording method
US12312480B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2022 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Aug 11, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Provided is an aqueous ink that has excellent ejection stability and that can be used to record an image with excellent abrasion resistance and an ink cartridge and an ink jet recording method that use the aqueous ink. The aqueous ink is an aqueous ink for ink jet containing a pigment, an organic solvent and a resin particle formed of a polyester resin or a urethane resin. The organic solvent includes a carbonate compound and the like. The ink cartridge includes an ink container configured to contain the aqueous ink and the ink jet recording method records an image on a recording medium by ejecting the aqueous ink from an ink jet recording head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.