Abstract: Compounds of the formula ##STR1## wherein D is the residue of a metal-free azo dye free of fiber-reactive groups and containing 2 to 4 sulfo groups,D' is the residue of a metal-free azo dye free of fiber-reactive groups and containing 2 to 4 sulfo groups, with the proviso that D and D' are different,each R.sub.1 is independently hydrogen or C.sub.1-4 alkyl,each of R.sub.2 and R.sub.3 is independently hydrogen, C.sub.1-4 -alkyl or 2-, 3- or 4-hydroxy(C.sub.2-4 alkyl),X is linear or branched C.sub.2-10 alkylene or linear or branched C.sub.3-10 alkylene monosubstituted or disubstituted by hydroxy which optionally contains one or two radicals selected from --O-- and --NRa--, wherein Ra is hydrogen or C.sub.

Abstract: Metal-free compounds of the formula ##STR1## a 1:1 or 1:2 metal complex of a metallizable compound of said formula or a salt of a metal-free compound of said formula or of a 1:1 or 1:2 metal complex thereof each cation of which is independently a non-chromophoric cation, or a mixture, thereof, whereinF.sub.c is the radical of a water-soluble azo, formazan, phthalocyanine, azomethine, oxazine, thiazine, phenazine or triphenylmethane dye,each W is independently --NR.sub.1 --B.sub.1 --NR.sub.1 --, ##STR2## wherein B.sub.1 is linear or branched C.sub.2-6 alkylene; linear or branched C.sub.2-6 alkylene interrupted by --O-- or --NR.sub.1 --; linear or branched C.sub.3-6 alkylene monosubstituted by hydroxy or carboxy or disubstituted by hydroxy, ##STR3## wherein R.sub.2 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, carboxy or sulfo, andn is 0, 1, 2, 3 or 4, andm is 0 or 1,each X is independently a direct bond, --CO-- or --SO.sub.

Abstract: Complexes of the formula ##STR1## and salts thereof each cation of which is independently a non-chromophoric cation,wherein B is --CO--CH.dbd.CH--CO--, --CO--(CH.sub.2).sub.a --CO--, ##STR2## and each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is independently hydrogen, halo, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkyoxy, --NHCO--R.sub.6, --CO--R.sub.7 or --SO.sub.2 --R.sub.8,wherein R.sub.6 is C.sub.1-4 alkyl or phenyl,R.sub.7 is hydroxy; --OR.sub.9 ; C.sub.1-4 alkyl; phenyl; phenyl substituted by 1 or 2 substituents selected from halo, nitro, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; cyclohexyl; cyclohexyl substituted by 1 to 3 C.sub.1-4 alkyl groups; or --NR.sub.10 R.sub.11, and,R.sub.8 is hydroxy; C.sub.1-4 alkyl; C.sub.1-4 alkyl monosubstituted by halo or sulfato; C.sub.2-4 alkenyl; phenyl; phenyl substituted by 1 or 2 substituents selected from halo, nitro, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; cyclohexyl; cyclohexyl substituted by 1 to 3 C.sub.1-4 alkyl groups; or --NR.sub.10 R.sub.

Abstract: Symmetrical compounds of the formula, ##STR1## in which R.sub.1 is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkoxy,R.sub.2 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or --NHCOR.sub.6,R.sub.3 is hydrogen or C.sub.1-4 alkyl,each of R.sub.4 and R.sub.5, independently, is hydrogen, C.sub.1-4 alkyl or hydroxy C.sub.2-4 alkyl,R.sub.6 is C.sub.1-4 alkyl, --NH.sub.2, --NC(C.sub.1-4 alkyl) or --N(C.sub.1-4 alkyl).sub.2,Hal is fluorine, chlorine or bromine, andX is either C.sub.2-10 alkylene, C.sub.3-10 alkenylene, mono- or dihydroxy C.sub.3-10 alkylene optionally containing one or two hetero atom linkages C.sub.5-7 cycloalkylene optionally substituted by 1 or 3 C.sub.1-4 alkyl groups,or X together with ##STR2## form a piperazine ring, with the proviso that X is other than unsubstituted C.sub.2-10 alkylene when R.sub.2 is --NHCOR.sub.