Water-based ink, printed recording medium, inkjet recording method, inkjet recording device, and ink storage container
US12134703B2 · kind B2 · utility
0Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2022 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | Mar 23, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-based ink includes a colorant, water, a penetrating agent, and a wetting agent. The penetrating agent includes diethylene glycol monohexyl ether (DEHE). The wetting agent includes a compound having an SP value of 12 to 14. A ratio (A/B) of an amount (A) of the compound having an SP value of 12 to 14 to the amount (B) of DEHE is 2.5 or more. The wetting agent preferably includes at least one of triethylene glycol and tripropylene glycol. The ratio (A/B) of the amount (A) of the compound having an SP value of 12 to 14 to the amount (B) of DEHE is preferably 2.5 or more and less than 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.