Ink, ink set, ink jet recording method, ink jet recording apparatus, recording unit and ink cartridge
US7029109B2 · kind B2 · utility
48Cited by
28References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2002 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Aug 15, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is an ink which comprises an aqueous medium and a coloring material dispersed in the aqueous medium with a dispersant, where the coloring material is contained in an amount of at most 1% by weight with respect to the total weight of the ink, and the ratio (B/P ratio) of the dispersant to the coloring material is larger than 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.