Aqueous ink for ink jet recording, aqueous ink set for ink jet recording, and ink jet recording method
US10407585B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2017 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | May 11, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is an aqueous ink for ink jet recording that includes: water; a water-soluble organic solvent; a coloring material; and a specific compound having a structure expressed by the following General Formula (I), wherein ink pH is in a range of 6.5 to 8.5.In General Formula (I), Ra, Rb, Rc, and Rd each independently represent a structure expressed by General Formula (I-R) or an alkyl group having 1 to 6 carbon atoms which is not branched, R1 represents a hydrogen atom or a methyl group, and n represents an integer in a range of 0 to 3, and the total carbon number of the structure expressed by General Formula (I-R) is equal to or less than 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.