Ink composition containing cationic water-soluble polymer
US7265164B2 · kind B2 · utility
3Cited by
36References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1999 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Feb 23, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition for ink jet recording is provided which can realize both good waterfastness of prints and high-quality recorded images on specialty recording media. The ink composition comprises a water-soluble colorant, such as an acid dye, a cationic water-soluble polymer, such as polyallylamine, and an inorganic salt, such as potassium chloride, in combination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.