Water-based ink, printed recording medium, inkjet recording method, inkjet recording device, and ink storage container
US12173169B2 · kind B2 · utility
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1References
18Claims
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Key dates
| Filing date | Nov 29, 2022 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Jun 6, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-based ink includes water, a colorant, and a water-soluble organic solvent. The water-soluble organic solvent includes a penetrating agent and a wetting agent. The penetrating agent includes a compound of formula (1), and the wetting agent comprises a compound of formula (2). In formula (1), x is 4 or more, and y is 2 or more, in formula (2), x is 2 or more. An amount of the compound of formula (1) relative to a total mass of the water-based ink is preferably 0.1 to 2.0 mass %. An amount of the compound of formula (2) relative to a total mass of the water-based ink is preferably 1.0 to 10.0 mass %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.