US 2006/0150861 A1 · Magenta metal chelate dyes and their use in ink-jet printers

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.

Claims19

Dependent claims

A metal chelate compound of Formula (1) or a salt thereof:

[A-N═N—B] M Formula (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):
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.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application

10/547,283Filed 17 Feb 2004

Priority

GB 030508956 Mar 2003

Published

13 Jul 2006

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

C07D 231/38
With hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals,…:…
C07D 233/90
With hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals,…:…
C09D 11/328
Characterised by colouring agents: characterised by dyes
C09D 11/38
Inkjet printing inks: characterised by non-macromolecular additives other than solvents, pigments or dyes

Magenta metal chelate dyes and their use in ink-jet printers

Life of this patent

Magenta metal chelate dyes and their use in ink-jet printers

Life of this patent

Abstract

Claims19