Magenta metal chelate dyes and their use in ink-jet printers
US7238227B2 · kind B2 · utility
0Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2004 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Feb 17, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A metal chelate compound of Formula: (1) or a salt thereof: [A—N═N—B] M (1) wherein: A is a 5- or 6-membered heterocyclic ring other than a triazole ring, optionally carrying one or more substituents; B is of the Formula (2a) or (2b). Formula (2a) (2b) wherein: X, Y and W are substituents other than H; M is a metal chelated to A—N═N—B; and n is 0 to 4. Also claimed are compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and an inkjet printer cartridge containing the ink
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.