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US 2006/0117990 A1Published application
Magenta dyes and inks for use in ink-jet printing
AssigneeAvecia Inkjet Limited
InventorClive Foster
Life of this patent
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Abstract
A composition comprising: (a) a compound of Formula (1) wherein: R1, R2, R3 and R4 independently are substituents; m and p independently are 0 to 3; and n and q independently are 0 to 2: provided that the compound of Formula (1) comprises at least one water solubilising group; and (b) a liquid media. Also novel compounds and ink-jet printer inks, processes and cartridges.
Claims16
A composition comprising:
- (a) a compound of Formula (1)
- wherein:
- R1, R2, R3 and R4 independently are substituents;
- m and p independently are 0 to 3;
- and
- n and q independently are 0 to 2:
- provided that the compound of Formula (1) comprises at least one water solubilising group;
- and
- (b) a liquid media.
6 more elements
A compound of Formula (2) and salts thereof:
- wherein:
- R5 is selected from the group consisting of —S—Rd, —O—Rd or —NH—Rd wherein Rd is optionally substituted C1-4-alkyl, optionally substituted phenyl, optionally substituted naphthyl or optionally substituted heterocycyl;
- R6 is a substituent;
- x is 1 to 4;
- and
- y is 0 to 9;
- provided that the compound of Formula (2) comprises at least one water solubilising group.
4 more elements
Dependencies are inferred from the claim text.