Aqueous ink-jet inks for printing on commercial offset coated media
US6786957B2 · kind B2 · utility
7Cited by
19References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2002 |
| Grant date | Sep 7, 2004 |
| Priority date | — |
| Expiry date | Jan 22, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous ink-jet ink composition for printing on offset media is disclosed comprising an ink colorant, an effective amount of at least one surfactant, and an effective amount of at least one aprotic polar solvent wherein the solvent is comprised of molecules having a molecular weight from 40 to 1500. Optionally, an effective amount of a non-aprotic polar solvent can be added. The aqueous ink-jet inks of the present invention are effective for printing on many commercially available offset papers and other media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.