Trisazo dyes for ink jet printing
First Claim
Patent Images
1. A composition comprising a liquid medium and a compound of Formula (1) or salt thereof:
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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.
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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.
30 Citations
10 Claims
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1. A composition comprising a liquid medium and a compound of Formula (1) or salt thereof:
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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. - View Dependent Claims (2, 3, 4, 7, 8, 9, 10)
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5. A compound of Formula (1) or salt thereof:
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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. - View Dependent Claims (6)
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 the group consisting of sulpho and carboxy.
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Specification