Ink-jet inks containing sulfonated aromatic compounds for reducing ozone fade
US7976623B2 · kind B2 · utility
0Cited by
8References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2005 |
| Grant date | Jul 12, 2011 |
| Priority date | — |
| Expiry date | Sep 22, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In accordance with embodiments of the present invention, an ink-jet ink can comprise a dye and a liquid vehicle carrying the dye. The liquid vehicle can include a sulfonated aromatic compound present in the ink-jet ink at an effective concentration to cause improvement of ozone fastness of said ink-jet ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.