Abstract: A substrate for ink-jet printing which is coated or impregnated with a water dissipatable nitrile polymer having a Mn of less than 25,000 comprising 5 to 70% w/w of nitrile monomers. Also processes for ink-jet printing and printed substrates.

Abstract: A composition comprising: (a) a liquid medium comprising (i), (ii) or (iii): (i) a mixture of water and an organic solvent; (ii) an organic solvent free from water; or (iii) a low melting point solid; and (b) a dye of the Formula (1) or a salt thereof:  wherein A, B, Z, L, R1 and n are as defined in the description. Also claimed are certain dyes of Formula (1), inks, an ink jet printing process using the inks, a substrate printed with the inks, an ink jet printer cartridge containing the inks and an ink jet printer containing the ink jet printer cartridge.

Abstract: A composition comprising a compound of Formula (1) and compound of Formula (2) or salts thereof: The compositions show good light-fastness and are particularly useful for photorealistic ink jet printing.

Abstract: A compound of the Formula (1) and salts thereof: 1

Abstract: A mono-azo compound of Formula (1) and salts thereof: wherein A, G, L1, L2, and R1, are defined in the specification, have especially good light fastness and other advantageous properties. These dyes may be used in inks, especially inks for ink jet printing inks and in ink jet printing processes to print substrates and to in ink jet printer cartridges.

Abstract: Compounds of the Formula (1) and salts thereof: wherein: each A independently is N, C—Cl, C—CN or C—NO2; each Ar independently is a substituted aryl group carrying a —COOH group ortho to the azo (—N═N—) group; L is an aliphatic group carrying a —COOH, —SO3H or —PO3H2 group; each Z independently is —SR2, —OR3, —NR4R5 or a labile atom or group; each X independently is —S—, —O— or —NR1—; each R1 independently is H or optionally substituted alkyl; and R2, R3, R4 and R5 are independently H, optionally substituted alkyl, optionally substituted aryl or optionally substituted aralkyl; or R4 and R5 together with the nitrogen to which they are attached form an optionally substituted five or six membered ring, and their use in compositions and inks for ink jet printing processes and ink jet printer cartridges.

Abstract: Compounds of the Formula (1) and salts thereof: wherein B1, B2, Q, R1, R2, A, Z1 and Z2 are defined in the description. Also claimed are compositions containing two or more compounds of the Formula (1), inks containing the compounds and compositions, an ink jet printing process using the inks, a substrate printed with the inks, and an ink jet printer cartridge containing an ink containing a compound of the Formula (1).

Abstract: Compounds of Formula (1) and salts thereof: wherein: Ar1 is substituted aryl wherein at least one substituent is —COOH; R1 is H or optionally substituted alkyl; L is substituted phenyl carrying at least one substituent at the 2-position, or optionally substituted naphthyl. Also claimed are compositions comprising a compound of the Formula (1) and a water-soluble magenta dye, liquid compositions, especially inks, containing a compound of Formula (1), an ink jet printing process using the inks, a substrate printed with the inks, and an ink jet printer cartridge and an ink jet printer containing the inks.

Abstract: Compounds of Formula (1) have utility as dyes for ink-jet printing where Formula (1) comprises:T.sub.q --W Formula (1)which includes all acceptable forms of such compounds selected from one or more of the following (including mixtures thereof and combinations thereof in the same species): stereoisomers, zwitterions, polymorphs, solvates, isotopic forms; and all suitable salts thereof; in which:q represents from 1 to 4 inclusive;W comprises an optionally substituted hydrocarbyl group (preferably an optionally substituted aromatic group, or an optionally substituted aliphatic group); andeach T independently comprises a group of the Formula (2):B--N.dbd.N--J--Y-- Formula (2)in which:B comprises an optionally substituted indanyl group;Y comprises a carbonyl group or a sulphonyl group; andJ comprises a group of Formula (3): ##STR1## in which: R.sup.

Abstract: A compound of the formula (1) ##STR1## or a salt thereof wherein J is a group of the formula (1a) ##STR2## and A, Y, T, T.sup.1, R, R.sup.1, R.sup.4, R.sup.5 and R.sup.6 are as defined in the specification are useful as black colorants for ink jet printing inks.

Abstract: A compound of Formula (1) or a salt thereof: wherein:J is --OR.sup.4 or --NR.sup.4 R.sup.5 ;R.sup.4 is H or optionally substituted alkyl, aryl or acyl; andR.sup.4 and R.sup.5 taken together with the N atom to which they are attached form a 5- or 6-membered carbocyclic group optionally containing a ring oxygen atom;A is optionally substituted phenylene or optionally substituted naphthylene;Y is a substituted or unsubstituted naphthylene or phenylene ring;R.sup.1 is H or optionally substituted alkyl, alkylcarbonyl, alkylsulphonyl, alkoxycarbonyl, alkoxysulphonyl, arylcarbonyl or arylsulphonyl;T and T.sup.1 each independently is H or SO.sub.3 H; andR is, for example, H or optionally substituted alkyl or aryl. The compounds are used as black colorants for ink jet printing inks.

Abstract: A bisazo dye of Formula (1) and salts thereof: ##STR1## in which R is H;R.sub.1 and R.sub.2 each independently is H, optionally substituted C.sub.1-4 -alkyl or optionally substituted aryl;R.sub.3 and R.sub.4 are each independently --OC.sub.1-4 -alkyl;R.sub.5 is H;R.sub.6 is COOH; andn is 1, 2 or 3.The dyes are useful for ink jet printing.

Abstract: A bisazo dye of Formula (1) and salts thereof: ##STR1## wherein: R.sub.1 and R.sub.2 each independently is H, optionally substituted C.sub.1-4 -alkyl or optionally substituted aryl;R.sub.3 is --NH.sub.2 ;R.sub.4 is OC.sub.1-4 -alkyl;each R.sub.5 independently is --COOH or --SO.sub.3 H; andn is 1,2, or 3.Also claimed are inks containing the dye, a process of ink jet printing using the inks and substrates coloured by the inks.

Abstract: A bisazo dye of Formula (1) and salts thereof: ##STR1## in which R is H or ##STR2## R.sub.1 and R.sub.2 each independently is H, optionally substituted C.sub.1-4 -alkyl or optionally substituted aryl;R.sub.3 and R.sub.5 together with the carbon atoms to which they are attached form a 5- or 6-membered carbocyclic ring which is optionally substituted by SO.sub.3 H;R.sub.4 is H;R.sub.6 is COOH;n is 1, 2 or 3; andp is 1, 2, 3 or 4.The dyes are useful for ink jet printing.

Abstract: A dye of Formula (1) and salts thereof: ##STR1## in which R is H, --NHC.sub.1-4 -alkylN(C.sub.1-4 -alkyl).sub.2 or ##STR2## R.sub.1 and R.sub.2 each independently is H, optionally substituted C.sub.1-4 -alkyl or optionally substituted aryl;R.sub.3 is C.sub.1-4 -alkyl;R.sub.4 is C.sub.1-4 -alkyl or OC.sub.1-4 -alkyl;R.sub.5 is H;R.sub.6 is COOH; andn is 1, 2 or 3.The dyes are useful for preparing ink jet printer inks.

Abstract: A composition of a water-soluble bis-azo dye of the Formula (1) and an oxidising agent. ##STR1## wherein A is optionally substituted phenyl or optionally substituted naphthyl;B is optionally substituted phenylene or optionally substituted naphthylene;R.sup.1 is H or sulpho;R.sup.2 is H, optionally substituted alkyl, optionally substituted aryl or optionally substituted acyl;R.sup.3 is H, optionally substituted aryl, optionally substituted alkyl or a group, -D-E,D is optionally substituted C.sub.2-6 -alkylene; andE is a group of the Formula (1a): ##STR2## R.sup.4 & R.sup.5 each independently is H or optionally substituted alkyl; andR.sup.6 is H, optionally substituted alkyl, optionally substituted aryl or optionally substituted acyl.

Abstract: A dye of Formula (1): ##STR1## wherein: D is a group of Formula (2): ##STR2## or a group of Formula (3): ##STR3## or a group of Formula (4): ##STR4## The variables are defined in the disclosures. The dyes and dye mixtures produce blue to green shades on synthetic textile materials such as polyester which have good build up and good light- and wet-fastness.

Abstract: A bisazo dye of Formula (1) and salts thereof: ##STR1## wherein: R.sub.1 and R.sub.2 together with the carbon atoms to which they are attached form a 5- or 6- membered carbocyclic ring which is optionally substituted by SO.sub.3 H;R.sub.3 and R.sub.4 are each independently H or C.sub.1-4 -alkyl;y is 1, 2, 3 or 4; andn is 1, 2 or 3.The dyes are useful for ink jet printing.

Abstract: A monoazo compound of the Formula (1) and salts thereof: ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3, independently, represents H, halogen, alkyl, alkoxy or acylamino, or R.sup.1 and R.sup.2 together form an optionally substituted benzo ring; L.sup.1 represents --OR.sup.4 , --SR.sub.4 or --NR.sup.5 R.sup.6 wherein each of R.sup.4, R.sup.5 and R.sup.6, independently, represents H or optionally substituted hydrocarbyl or R.sup.5 and R.sup.6 together with the attached nitrogen atom form a 5- or 6-membered ring; and L.sup.2 represents a substituted amino group selected from; ##STR2## in which either R.sup.7 is H and R.sup.8 and R.sup.9 together represent --CH.sub.2 CH.sub.2 --or R.sup.9 is H and R.sup.7 and R.sup.8 together represent --CH.sub.2 --CH.sub.2 --, ##STR3## in which X represents an optionally substituted alkylene group containing 2 or more carbon atoms and each of R.sup.10 and R.sup.

Abstract: A bisazo compound of the Formula (1) and salts thereof: ##STR1## wherein Ar.sup.1, Ar.sup.2, each J, each X, L, R.sup.1 and R.sup.2 are as defined in the description, provided that L comprises the residue ##STR2## and/or L.sup.1 is--NH--A--NR.sup.9 R.sup.10wherein L.sup.1, A, R.sup.9 and R.sup.10 are as defined in the description, the compounds of Formula (1) being free from fiber-reactive groups and any carboxyl substituents present in the compounds being attached in the form of one or more residue of the following formulae: ##STR3## Also disclosed are ink compositions comprising the above compound; a process for printing substrates with the ink compositions using an ink-jet printer; paper, project slides and textile materials printed with the ink compositions; and a process for coloration of textile materials with the ink compositions.