Magenta metal complex azo compounds and inks and their use in ink-jet printing
US7150782B2 · kind B2 · utility
2Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2004 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | May 20, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B56/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A metal chelate compound obtainable from contacting a transition metal salt with a compound of the Formula (1):wherein: that, p, the level of sulfonation, is not in the range 1 to 2. Also compositions, inks, printed substrates and inkjet cartridges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.