Avecia Limited

Fujifilm Imaging Colorants, Inc.

Mairi Elizabeth Raggatt

Prakash Patel

Gavin Wright

Kevin Johnson

Clive Edwin Foster

An ink including: and (b) a liquid medium. The inks are useful for ink jet printers.

A metal chelate compound of Formula: (1) or a salt thereof: [A&#x2014;N&#x2550;N&#x2014;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 (2) or (2). Formula (2) (2) wherein: X, Y and W are substituents other than H; M is a metal chelated to A&#x2014;N&#x2550;N&#x2014;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 

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

A metal chelate compound of the Formula (1) and salts thereof:wherein:

Metal chelate compounds and inks

A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink containing a metal chelate compound of the Formula (1) and salts thereof:wherein:

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Summertown, United Kingdom

Mairi Elizabeth Raggatt