Avecia Limited

Hewlett-packard Development Company, L.p.

Fujifilm Imaging Colorants, Inc.

Surface Transforms Ltd.

Kevin Johnson

Prakash Patel

Gavin Wright

Mairi Elizabeth Raggatt

Stephen G Yeates

Mark Holbrook

Tom Annable

Clive Edwin Foster

Mark Kenworthy

John David Payne

John Patrick O'Donnell

Geoffrey Gould

An ink-jet printing process comprising the steps (a) and (b) in any order or simultaneously: (a) applying an ink to a substrate by means of an ink-jet printer to form an image on a substrate; and (b) applying to the substrate a fixing composition comprising a liquid medium and a polymer containing a plurality of monoguanide and/or biguanide groups by means of an ink jet printer; characterised in that in the fixing composition has a chloride concentration less than 400 ppm by weight.

Compositions and processes

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:

Processes, compositions and compounds

An ink-jet printing process including the steps (a) and (b) in any order or simultaneously: The process avoids the need for expensive special papers previously used for ink jet printing.

Ink-jet printing process

Growing community of inventors

Preston, United Kingdom

Kevin Johnson