Trisazo dyes for ink jet printing
AssigneeAvecia Limited
InventorsPrahalad Manibhai Mistry, Roy Bradbury
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Abstract
A composition comprising a liquid medium and a compound of Formula (1) or salt thereof: wherein: A is optionally substituted phenyl or naphthyl provided A is not 2-sulpho-4-methoxyphenyl; B is optionally substituted phenylene or naphthylene; n is 0 or 1; D is a pyrazolonyl group; and wherein the liquid medium comprises an organic solvent. Also claimed are inks comprising said compositions and processes for printing.
Claims11
A process for printing an image on a substrate comprising applying thereto a composition by means of an ink jet printer wherein said composition comprises a liquid medium and a compound of Formula (1) or salt thereof:
- wherein:
- A is optionally substituted phenyl or naphthyl provided A is not 2-sulpho-4-methoxyphenyl;
- B is optionally substituted phenylene or naphthylene;
- n is 0 or 1;
- D is a pyrazolonyl group;
- and
- wherein the liquid medium comprises an organic solvent.
An ink jet printer cartridge, optionally refillable, comprising one or more chambers and a composition, wherein the composition is present in at least one of the chambers and the composition comprises a liquid medium and a compound of Formula (1) or salt thereof:
- wherein:
- A is optionally substituted phenyl or naphthyl provided A is not 2-sulpho-4-methoxyphenyl;
- B is optionally substituted phenylene or naphthylene;
- n is 0 or 1;
- D is a pyrazolonyl group;
- and
- wherein the liquid medium comprises an organic solvent.
Dependencies are inferred from the claim text.