Trisazo dyes for ink jet printing

• US 20050200671A1
• Filed: 05/08/2003
• Published: 09/15/2005
• Est. Priority Date: 05/11/2002
• Status: Active Grant

• Current Assignee: FUJIFILM Imaging Colorants Limited (Fujifilm Holdings Corporation)
• Original Assignee: FUJIFILM Imaging Colorants Limited (Fujifilm Holdings Corporation)
• Inventors: Mistry, Prahalad Manibhai, Bradbury, Roy
• Granted Patent: US 7,041,161 B2
• Time in Patent Office: Days
• US Class Current: 347/100
• CPC Class Codes: C09B 31/28 Heterocyclic compounds
• CPC Class Codes: C09D 11/328 characterised by dyes
• CPC Class Codes: Y10T 428/24802 Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Abstract

A composition comprising a liquid medium and a compound of Formula (1) or salt thereof: wherein: A is 2-sulpho-4-methoxyphenyl; B is optionally substituted phenylene or naphthylene; n is 0 or 1; and D is a pyrazolonyl group; wherein the liquid medium comprises an organic solvent, inks comprising this composition and printing processes.

Claims

1. A composition comprising a liquid medium and a compound of Formula (1) or salt thereof:

wherein;

A is 2-sulpho-4-methoxyphenyl;

B is optionally substituted phenylene or naphthylene;

n is 0 or 1; and

D is a pyrazolonyl group;

wherein the liquid medium comprises an organic solvent.

2. A composition according to claim 1 wherein D is a pyrazolonyl group carrying at least one carboxy, sulpho or phosphato group.

3. A composition according to either claim 1 or claim 2 which contains a further colorant selected from black, magenta and yellow colorants and combinations thereof.

4. A composition according to claim 1 wherein:

B is phenylene or naphthylene carrying one or two substituentsselected from sulpho, methyl, methoxy and 2-hydroxyethoxy;

n is 0 or 1;

D is of Formula (2a) or (2b);

R¹ is H, methyl or carboxy; and

R² and R³ are each independently phenyl or phenyl carrying one or two substituents selected from sulpho and carboxy.

5. A compound of Formula (1) as defined in claim 1.

6. A compound according to claim 5 wherein

B is phenylene or naphthylene carrying one or two substituents selected from sulpho, methyl, methoxy and 2-hydroxyethoxy;

n is 0 or 1;

D is of Formula (2a) or (2b);

R¹ is H, methyl or carboxy; and

R² and R³ are each independently phenyl or phenyl carrying one or two substituents selected from sulpho and carboxy.

7. A process for printing an image on a substrate comprising applying thereto a composition according to claim 1 by means of an ink jet printer.

8. A paper, an overhead projector slide or a textile material printed with a compound of Formula (1), or composition containing same, according to claim 1.

9. 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 is as defined in claim 1.

10. A paper, an overhead projector slide or a textile material printed by a process according to claim 7.