Ink set for ink-jet recording
US6767090B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2002 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | Feb 4, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink jet recording ink set including a plurality of inks, each ink including at least a colorant encapsulating a pigment with a polymer, a penetrating agent and water, wherein the ink set includes a combination of black, yellow, magenta and cyan inks, and wherein the polymer in each of the black, yellow, magenta and cyan inks is a polymer of a polymerizable surface active agent and a monomer, which gives high color density printed image, satisfactory color reproducibility, excellent ejection stability and storage stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.