Aqueous ink set for ink jet recording, recording method, and ink jet recording apparatus
US10016981B2 · kind B2 · utility
1Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2017 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | May 23, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/16538
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous ink set for ink jet recording includes an aqueous pigment ink containing water and a pigment as a coloring agent and an aqueous dye ink containing water and a dye as a coloring agent, in which the concentration of the divalent metal ions of the pigment ink is 10 ppm or more, and the potassium ion concentration of the dye ink is 50 ppm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.