Aqueous ink of colored ink and colorless ink containing anionic polymer
US7537650B2 · kind B2 · utility
5Cited by
16References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2005 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Aug 11, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to an ink jet ink set comprising a colored aqueous ink and a substantially colorless aqueous ink, wherein the colored ink comprises a cationic coloring agent and the colorless ink comprises an anionic polymer or oligomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.