Abstract: A dye-containing polarizing film which comprises at least one dye selected from:dye represented by the following formula(1):Q1--N.dbd.N--Q2--X--Q3--N.dbd.N--Q4 (1)wherein Q1 and Q4 are phenyl or naphthyl group, Q2 and Q3 are phenylen group, X is azo or azoxy, and dye represented by the following formula(2): ##STR1## wherein Me is a transition metal selected from copper, nickel, zinc and iron, Q5 and Q6 are 1-naphthol or 2-naphthol residue, Y is azo or azoxy, R1 and R2 are hydrogen, lower alkyl, lower alkoxy or sulfo. The polarizing film exhibits polarizing activities not smaller than those of a iodine containing polarizing film, has excellent durability and does not cause light to break through the film by using several types of the specific dye in combination.

Abstract: A monoazo compound suitable for dyeing or printing materials having a hydroxy group and/or amide group represented by the following general formula (I): ##STR1## wherein D represents a phenyl or naphthyl group; A represents a group represented by the following formula: ##STR2## or A represents a group represented by the following formula: ##STR3## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, n and Y have the meaning given in the specification; and salts thereof.

Abstract: A trisazo compound represented by the following formula (I) in the free acid form: ##STR1## wherein Q is an phenyl or naphthyl group both of which may be unsubstituted or substituted; one of the A and B is hydroxy group and the other is amino group; K is 1 or 2; and one of m and n is 1 and the other is 0; a method for dyeing fiber materials, paper or leather by using the trisazo compounds and an ink containing the trisazo compounds, and the trisazo compound is excellent in solubility, and good in storage stability and free from clogging of nozzle caused by deposition. The ink using the trisazo compound gives a deep black-colored image excellent in clarity, water-durability and durability to light.

Abstract: A tetrakisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q.sub.1 and Q.sub.2 independently represent phenylene or naphthylene group which may be optionally substituted, R.sub.4, R.sub.5 and R.sub.6 independently represent a hydrogen atom, a halogen atom, a hydroxy group, a sulfonic acid group or an amino, alkyl, alkoxy, carbamoyl or sulfamoyl group which may be optionally substituted, m is 0 or 1 and n is 1 or 2, and an ink which comprises the tetrakisazo compound. The ink exhibit excellent properties for ink jet printing.

Abstract: A trisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q' is phenylene group, Q.sup.2 is phenyl or naphtyl group, one of the A and B is a hydroxy group and the other is an amino group, K is 1 or 2, one of m and n is 1 and the other is 0, X and Y independently of one another are each --OR.sup.1, --SR.sup.2, --NR.sup.3 R.sup.4 or ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are each a hydrogen atom, an alkyl, phenyl or naphthyl group; r is 1 or 2; and Z is --CH.sub.2 --, --O--, --SO.sub.2 -- or --NR.sup.5 -- wherein R.sup.5 is a hydrogen atom or C.sub.1 -C.sub.4 alkyl group;a method for dyeing fiber material, paper or leather by using the trisazo compound;and an ink which contains the trisazo compound and which is excellent in storage stability and can give a clear black printed image having excellent water resistance and light fastness.

Abstract: A dioxazine compound represented by the following formula in the free acid form, ##STR1## wherein V is a direct linkage or ##STR2## in which R.sub.3 is hydrogen or alkyl, X is a direct linkage or an aliphatic, araliphatic or aromatic bridging group, Y is phenylene or naphthylene, Z is a so-called vinylsulfone type fiber reactive group, and R.sub.1 and R.sub.2 are each hydrogen or alkyl, which is useful for dyeing or printing fiber materials to give a dyed or printed product of a blue color superior in fastness properties with superior build-up property.

Abstract: The invention is directed to a novel disazo compound represented by the formula (I) ##STR1## wherein Q is a substituted or unsubstituted phenyl or naphthyl group; Me is copper, nickel, zinc or iron; and Z is hydrogen, lower alkyl, lower alkoxyl, sulfo, or substituted or unsubstituted amino; and also to a polarizing film having said disazo compound incorporated into a polarizing film base. The polarizing film exhibits high polarizing activities comparable to those of an iodine-containing polarizing film, and also has excellent durability.

Abstract: A bisazo compound of the following formula: ##STR1## wherein R.sup.1 and R.sup.3 are each hydrogen or alkyl; D is phenylene or naphthylene; one of X.sup.1 and X.sup.2 is NH.sub.2 and the other is OH; Z.sup.1 and Z.sup.2 are each --CH.dbd.CH.sub.2 or --CH.dbd.CH.sub.2 Z' in which Z' is a splittable group; B is monosulfophenylene, monosulfophenylene-methylene or mono- or di-sulfonaphthylene-methylene; U is phenylene or an aliphatic bridging group; and J is an amono-derivative group or, J may be alkoxy when X.sup.1 is OH and U is phenylene, and J may be alkoxy or phenoxy when X.sup.1 is OH and U is the aliphatic bridging group. This compound is useful for dyeing or printing fiber materials and gives a dyed or printed product having a color superior in various fastness properties with superior build-up property.

Abstract: A bisazo compound represented by the formula (I) in the free acid form, ##STR1## wherein D is unsubstituted or substituted phenyl or naphthyl; A and B are independently unsubstituted or substituted phenylene or naphthylene; R is hydrogen or unsubstituted or substituted lower alkyl; X is aromatic amino residue or aliphatic amino residue; arid Y is a group represented by the formula, ##STR2## wherein R.sup.1 is hydrogen or unsubstituted or substituted alkyl, W.sub.0 is unsubstituted or substituted alkylene; and Z is vinyl or --CH.sub.2 CH.sub.2 Z.sub.1, in which Z.sub.1 is a group capable of being split by the action of an alkali; is a reactive dye useful for dyeing or printing fiber materials having hydroxy groups and/or amide groups to brown or violet color, and can provide dyed or printed products with superior fastness properties and dyeing properties such as build-up property.

Abstract: An asymmetric dioxazine compound of the following formula in the free acid form, ##STR1## wherein R is hydrogen, halogen, sulfo or alkoxy, R.sub.1, R.sub.2 and R.sub.3 are each hydrogen or alkyl, X.sub.1 and X.sub.2 are each hydrogen, halogen, alkyl, alkoxy or phenoxy, Y is alkylene, phenylene or naphthylene, Z is --SO.sub.2 CH.dbd.CH.sub.2, --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H or the like, V is hydrogen, alkyl, acyl or substituted triazinyl, and Q is halogen, alkoxy, amino or a group similar to that of ##STR2## provided that R is hydrogen, and Q is amino or a group similar to that of ##STR3## when V is substituted triazinyl, which is useful for dyeing or printing fiber materials to give dyed or printed products of a brilliant blue color superior in fastness properties, particularly those such as chlorine fastness with superior build-up property.

Abstract: A heterocyclic compound of the formula, ##STR1## wherein A and B are each hydrogen, halogen, alkyl or alkoxy, R.sup.1 is alkylene having upto 6 carbon atoms, X is direct linkage or divalent group such as --O--, --S--and the like, T and U are each hydrogen or alkyl, l is 0 or 1 to 3, Q is 5-, 6- or 7- membered saturated or unsaturated heterocyclic residue, and Y is hydrogen, halogen, alkyl, alkoxy or ##STR2## and B are taken together with each other to form methylene-dioxy, which is useful for dyeing or printing hydrophobic fiber materials with superior dyeability to give a dyed or printed product of a red color excellent in fastness properties, particularly those such as washing fastness.

Abstract: A reactive dye composition containing at least one dye of the formula (I) in the free acid form: ##STR1## wherein m is zero or 1; R.sub.1 is hydrogen, lower alkyl or lower alkoxy; R.sub.2 and R.sub.3 are independently hydrogen or substituted or unsubstituted lower alkyl; A is substituted or unsubstituted phenylene or naphthylene; X.sub.1 is halogen, --N(R.sub.4)R.sub.5 or --OR.sub.6 in which R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen or substituted or unsubstituted alkyl, phenyl or naphthyl; and Y.sub.1 is the group --SO.sub.2 CH.dbd.CH.sub.2 or the group --SO.sub.2 CH.sub.2 CH.sub.2 Z.sub.1 in which Z.sub.1 is a group splittable by the action of an alkali, and at least one dye of the formula (II) in the free acid form: ##STR2## wherein n is zero, 1 or 2; one of W.sub.1 and W.sub.2 is hydrogen and the other is sulfo; R.sub.7 is hydrogen or substituted or unsubstituted lower alkyl; B is substituted or unsubstituted phenylene or naphthylene; X.sub.2 is --N(R.sub.8)R.sub.9, --OR.sub.10 in which R.

Abstract: A bisazo compound represented by the following formula (I) in the free acid form: ##STR1## wherein R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl; A is an unsubstituted or substituted phenylene or naphthylene group; Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Y, in which Y is a group capable of being split by the action of an alkali; X is --NR.sub.1 R.sub.2, C.sub.5 -C.sub.7 cycloalkylamino or ##STR2## in which Q is --CH.sub.2 --, --O--, --SO.sub.2 --, --SO-- or --NR.sub.3 -- in which R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; and n is 1 or 2; R.sub.1 is hydrogen or unsubstituted or substituted alkyl; R.sub.

Abstract: Anthraquinone compounds of the formula, ##STR1## wherein R is hydrogen, alkyl or the like, R.sub.1 and R.sub.2 are each hydrogen, halogen or sulfo, l is 1 or 2, X is sulfo or the like or --V--A--(W).sub.m --Z, and Y is --V.sub.1 --A.sub.1 --U, wherein V and V.sub.1 are each --O-- or --S--, A and A.sub.1 are each a divalent group such as ##STR2## W is --NH-- or the like, Z is hydrogen or a fiber reactive group, and U is hydrogen, a fiber reactive group or a fiber reactive group-containing group, provided that at least one of Z and U is or has a fiber reactive group, which is useful for dyeing or printing fiber materials such as cotton to give a dyed or printed product having excellent fastness properties, particularly those such as light fastness and perspiration-light fastness.

Abstract: A polyazo compound of the following formula, ##STR1## wherein X is ##STR2## --NR.sub.2 R.sub.3, --OR.sub.4 or --SR.sub.5, in which R.sub.1 is hydrogen or alkyl, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, A is phenylene, naphthylene or alkylene, Z is a fiber-reactive group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z' in which Z' is a splittable group, Y is pyridinio, and F is polyazo dye moiety carrying a fiber-reactive group like that represented by Z, which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.

Abstract: A monoazo compound represented by the following formula in a free acid form, ##STR1## wherein R is hydrogen or unsubstituted or substituted C.sub.1 to C.sub.4 alkyl, X is unsubstituted or substituted phentyl or naphthyl, Y is unsubstituted or substituted phenylene or naphthylene, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z.sub.1, in which Z.sub.1 is a splittable group by the action of an alkali, and R.sub.1 and R.sub.2 are independently hydrogen or unsubstituted or substituted C.sub.1 to C.sub.4 alkyl, phenyl or benzyl, excepting the case where R.sub.1 and R.sub.2 are hydrogen, which is useful as reactive dyes of high solubility and good build-up property for giving dyed or printed products of a deep red color excellent in fastness properties.

Abstract: Anthraquinone compounds of the formula, ##STR1## wherein R is hydrogen, alkyl or the like, R.sub.1 and R.sub.2 are each hydrogen, halogen or sulfo, l is 1 or 2, X is sulfo or the like or --V--A--(W).sub.m --Z, and Y is --V.sub.1 --A.sub.1 --U, wherein V and V.sub.1 are each --O-- or --S--, A and A.sub.1 are each a divalent group such as ##STR2## W is --NH-- or the like, Z is hydrogen or a fiber reactive group, and U is hydrogen, a fiber reactive group or a fiber reactive group-containing group, provided that at least one of Z and U is or has a fiber reactive group, which is useful for dyeing or printing fiber materials such as cotton to give a dyed or printed product having excellent fastness properties, particularly those such as light fastness and perspiration-light fastness.

Abstract: A polyazo compound of the following formula, ##STR1## wherein A is phenylene, naphthylene or alkylene, X is --NR.sub.2 R.sub.3, --OR.sub.4 or --SR.sub.5 in which R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, alkyl, phenyl, naphthylene or benzyl, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z' in which Z' is a splittable group, R.sub.1 is hydrogen or alkyl, and F is polyazo dye moiety carrying a fiber reactive group like that represented by Z. This compound is useful for the dyeing or printing of fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.

Abstract: A monoazo compound represented by the following formula in the free acid form: ##STR1## wherein D is unsubstituted or substituted phenylene or naphthylene, X is unsubstituted or substituted pyridinio, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 L in which L is a group capable of being split by the action of an alkali, and Y is --V--R in which V is --O-- or --S--, and R is hydrogen or which may be substituted alkyl, cyclohexyl, phenyl which may be substituted, naphthyl which may be substituted or benzyl which may be substituted, or ##STR2## in which R.sub.1 and R.sub.2 independently of one another are each hydrogen or unsubstituted or substituted alkyl, phenyl, naphthyl or benzyl, which is superior in solubility and useful for dyeing or printing fiber materials such as cellulose to a red color with superior build-up properties.

Abstract: A heterocyclic compound of the formula, ##STR1## wherein A and B are each hydrogen, alkyl or alkoxy, Y is hydrogen, alkyl, alkoxy or --O--R.sup.2 --X--R.sup.1, or Y and B are taken together with each other to form methylenedioxy, R.sup.1 is alkyl, phenyl or alkenyl, R.sup.2 is unsubstituted or substituted alkylene, and X is --O--, --S--, --SO--, --SO.sub.2 -- or ##STR2## in which R.sup.3 is hydrogen or alkyl, with the proviso that R.sup.1 is C.sub.3 or C.sub.4 alkyl or alkenyl, or C.sub.1 -C.sub.4 alkyl when R.sup.2 is unsubstituted ethylene or propylene, respectively, X is --O-- or --S--, and Y and B don't form methylenedioxy, which is useful for dyeing or printing hydrophobic fiber materials with superior dyeability to give a dyed or printed product of a red color excellent in fastness properties, particularly those such as washing fastness.