Magenta dyes and their use in ink- jet printing
US7794532B2 · kind B2 · utility
0Cited by
15References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2006 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Apr 28, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B5/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-soluble dye of the Formula (1):D1-L-D2 Formula (1)wherein D1 and D2 each independently is an anthrapyridone, anthrapyrazole, anthrapyrimidine or anthrapyrimidone group; and L is a single covalent bond or a linking group which permits at least partial delocalisation of electrons between D1 and D2, compositions and inks containing the dye, and printing processes, printed material and ink-jet printer cartridges based on use of the dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.