Magenta metal chelate dyes and their use in ink-jet printers
US7238228B2 · kind B2 · utility
0Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2004 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Mar 15, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B45/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A metal chelate of Formula (1) or salt thereof. Formula (1) wherein: R1 and R2 are each independently H or an organic group; M is a metal; p is 1 to 4; Y is an optionally substituted heterocyclic ring with a nitrogen ortho to the azo bridge; G is a substituent; and n is 0 to 5. Also inkjet inks, cartridges and processes
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.