Ink-jet ink formulations containing imidazole
US7632344B2 · kind B2 · utility
9Cited by
17References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 2007 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Jan 10, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink for use in combination with an ink-jet printer comprises a mixture including a colorant, a liquid vehicle comprising 1,6-hexanediol and 1,5-pentanediol in a ratio in the range of 1:4 (wt/wt) to 4:1 (wt/wt), and/or an amount of imidazole in the range of 0.1 wt % to 6 wt %, and potentially provides at least one of the following enhancements to the ink improved print quality, increased decap time, pen reliability, environmental robustness of ink in pen, environmental robustness of printed ink on media, and aid in maintaining the pH of the ink in a desired range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.