Abstract: An electrostatic toner contains a polymeric binder and as charge stabilizer a 1:2 chromium, iron, cobalt or zirconium complex of azo dyes of the formula D--N.dbd.N--K, where D is derived from a diazo component D--NH.sub.2 selected from the group consisting of 2-amino-4-nitrophenol, 2-amino-5-nitrophenol, 2-amino-phenol-4-sulfonamide, anthranilic acid and picramic acid and K is derived from a coupling component K--H selected from the group consisting of .beta.-naphthol, acetoacetanilide and 1-phenyl-3-methylpyrazol-5-one.

Abstract: Natural and synthetic polyamides are dyed with the betaines of 1:1 chromium complexes of sulfo-containing azo or azomethine dyes from an aqueous liquor.

Abstract: A chromium complex dye of the formula ##STR1## and salts thereof are used for dyeing polyamides or leather.

Abstract: Compounds of the general formula IA--B--A (I)where A is a radical of the formula ##STR1## and B is a bridge member of the formula ##STR2## and where R.sup.1 and R.sup.2 independently of one another are unsubstituted or hydroxy-, C.sub.1 -C.sub.4 -alkoxy-, cyano-, C.sub.1 -C.sub.4 -alkoxycarbonyl-, di-C.sub.1 -C.sub.4 -alkylamino-, chlorine- or bromine-substituted C.sub.1 -C.sub.4 -alkyl, cyclohexyl, benzyl, phenylethyl or phenyl, orR.sup.1 and R.sup.2 together with the nitrogen are morpholino, pyrrolidino, piperidino or N-methylpiperazino,R.sup.3 is hydrogen, chlorine, bromine, methyl, ethyl, methoxy, ethoxy or nitro,R.sup.4 and R.sup.5 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl or benzyl,X is oxygen or imino andalkylene is of 2 to 6 carbon atoms and is linear or branched.The compounds of the formula I are particularly suitable for coloring paper pulps.

Abstract: Compounds of the formula I ##STR1## where K.sup..sym. is a cation, R is methyl or is phenyl which is unsubstituted or substituted by chlorine, bromine, methyl, methoxy or ethoxy, R.sup.1 is hydrogen, chlorine, bromine or nitro, R.sup.2 is hydrogen, chlorine, bromine, nitro, sulfamyl or hydroxysulfonyl, X and Y are each --O-- or --COO--, Z is --O-- or --NH--, D is a radical of a diazo component of the aniline or naphthylamine series and K is a radical of a coupling component, are very useful for dyeing natural and synthetic polyamide textile fibers and leather.

Abstract: A compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 independently of one another are unsubstituted or hydroxy substituted, C.sub.1 -C.sub.4 alkoxy substituted, cyano substituted, C.sub.1 -C.sub.4 alkoxycarbonyl substituted, di-C.sub.1 -C.sub.4 alkylamino substituted, (CH.sub.3)(C.sub.6 H.sub.5 CH.sub.2)NC.sub.2 H.sub.4 substituted, chlorine substituted or bromine substituted C.sub.1 -C.sub.4 -alkyl, cyclohexyl, benzyl, phenylethyl or phenyl, R.sup.1 and R.sup.2 together with the nitrogen are morpholino, pyrrolidino, piperidino or N-methylpiperazino;R.sup.3 is hydrogen, chlorine, bromine, methyl, ethyl, methoxy, ethoxy or nitro;R.sup.4 and R.sup.5 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl or benzyl; X is oxygen or imino; A.sup.

Abstract: Compounds which in the form of the free acids correspond to the formula ##STR1## where A is a radical of a diazo component or of an amine,B is a radical of a coupling component or of an aldehyde,R.sup.1 is chlorine or bromine,R.sup.2 is methoxy or ethoxy,X is .dbd.N-- or .dbd.CH--,Y is --O-- or --COO-- andZ is --O-- or --NH--,are dyes which are very suitable for dyeing nylons and natural polyamides.

Abstract: An unsymmetrical 1:2 chromium complex of a monoazo dyestuff and a disazo dyestuff which is non-fiber reactive and is free of sulfonamido and amino groups and which, in the form of the free acid has the formula: ##STR1## wherein A' is the radical of a 1-hydroxy-2-aminobenzene which is monosubstituted or disubstituted by chlorine, nitro, or sulfo, B' is a naphth-2-ol, resorcinol, p-(C.sub.1 -C.sub.6 -alkyl)-phenol, 1-phenol-3-methylpyrazol-5-one or acetoacetanilide radical, and the phenol group in the last two mentioned compounds can be substituted by C.sub.1 -C.sub.4 -alkyl C.sub.1 -C.sub.4 -alkoxy, chlorine or sulfo, K' is an unsubstituted or sulfo-substituted naphth-1-ol or naphth-2-ol radical, phenol which is substituted in the p-positioned by C.sub.1 -C.sub.6 -alkyl, an unsubstituted or sulfo-substituted 2-naphthylanime, and 1-phenol-3-methylpyrazol-5-one or an acetoactanilide radical, and the phenol group in the last two mentioned compounds can be substituted by C.sub.1 -C.sub.

Abstract: Compounds of the general formula I ##STR1## where E is --CH.dbd. or --N.dbd., K is the radical of an amine or of a coupling component of the benzene, naphthalene, pyrazole, pyridine, pyrimidine, quinoline or isoquinoline series, or the radical of a 1,3-dicarbonyl compound which can be coupled, X is --O-- or --COO--, Y is --O--, --COO-- or --NH--, Z.sup.1 and Z.sup.2 independently of one another are unsubstituted or substituted alkyl or cycloalkyl, and one of them may furthermore be unsubstituted or substituted aryl, or Z.sup.1 and Z.sup.2 together with the nitrogen atom are a heterocyclic radical, and Z is unsubstituted or substituted C.sub.2 - or C.sub.3 -alkylene, from 1 to 4 sulfonic acid groups can be present and the rings A and B can be further substituted or can carry a fused benzene ring.The compounds of the present invention are suitable for dyeing or printing natural or synthetic N-containing materials, i.e., wool, leather or polyamide or polyurethane fibers, as wells as for coloring inks.

Abstract: Mixtures of two or more cobalt 1:2 complexes of azo dyes of the formula I ##STR1## where R is ##STR2## where R.sup.1 is hydrogen, C.sub.1 -C.sub.18 -alkyl, or hydroxyalkyl or alkoxyalkyl which may be interrupted by oxygen, and X and Y are hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy.The mixtures according to the invention are particularly useful for dyeing leather.

Abstract: 1:2 Chromium complexes of arylazo-azamethines of the general formula ##STR1## where A is a naphthalene or benzene radical which may be monosubstituted or polysubstituted by alkyl, alkoxy or halogen.

Abstract: Polymeric dyes of the general formula I ##STR1## where A is the radical of a methylene-active compound, which may or may not be quaternized,B.sup.1 and B.sup.2 are bridge members which may or may not be quaternized or B.sup.2 may be a direct bond,n is number >1,p is the number of positive charges,R is hydrogen, chlorine, bromine, hydroxyl, C.sub.1 -C.sub.8 -alkyl, nitro, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.8 -alkoxycarbonyl, cyano, hydroxycarbonyl, unsubstituted or substituted carbamyl or unsubstituted or substituted amino,R.sup.1 is hydrogen, chlorine, hydroxyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy orR and R.sup.1 together are an unsubstituted or substituted fused ring, or R and R.sup.1 together with B.sup.2 are a heterocyclic radical andA.sup..crclbar. is an anion.

Abstract: Compounds of the general formula I ##STR1## where the radicals A, A.sup.1 and B are identical or different andA is unsubstituted or substituted benzene or heteroaromatic,A.sup.1, if n=1, is unsubstituted or substituted heteroaromatic or is aryl which is unsubstituted or substituted by alkyl, aryl, cycloalkyl, chlorine, bromine, hydroxyl, alkoxy, aryloxy, nitro, hydroxycarbonyl, alkoxycarbonyl, or aminocarbonyl, and, if n>1, A.sup.1 may also be aryl substituted by unsubstituted or substituted amino,B is a bridge member of the formula ##STR2## B.sup.1 is a bridge member which may or may not be quaternized, R.sup.1 and R.sup.2 are hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aryl, alkoxy or amino,n is an integer equal to or greater than 1 andX.sup..theta. is an anion.The compounds according to the invention are preferably used for coloring paper pulp.

Abstract: Compounds of the general formulaA.sup.1 .dbd.CH--B--CH.dbd.A.sup.2where A.sup.1 and A.sup.2 are the radical of a quaternized methylene-active compound and B is a bridge member.The compounds according to the invention are very suitable for coloring ligneous and lignin-free paper stock.

Abstract: Basic dyes of the general formulaA-B-A Iwherethe substituents A independently of one another are a radical of the formula ##STR1## and B is a bridge member,and in the formula for AR.sup.1 and R.sup.2 independently of one another are C.sub.1 -C.sub.4 -alkyl which is unsubstituted or substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy, cyano, C.sub.1 -C.sub.4 -alkoxycarbonyl, di-C.sub.1 -C.sub.4 -alkylamino, benzyl-(C.sub.1 -C.sub.4 -alkyl)-amino, chlorine or bromine, or are cyclohexyl, benzyl, phenylethyl or phenyl, orR.sup.1 and R.sup.2 together with the nitrogen are pyrrolidino, piperidino, morpholino or N-methylpiperazino,R.sup.3 is hydrogen, chlorine, bromine, methyl, ethyl, methoxy, ethoxy or nitro,X is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino andalkylene is of 2 to 6 carbon atoms and is straight or branched.The novel dyes are mainly used for dyeing paper pulps.

Abstract: Metal complex compounds which in the form of the free acids correspond to the formula I ##STR1## where A is an aliphatic, carbocyclic or heterocyclic radical,E is an aliphatic or carbocyclic radical,B is a cyano, acyl, substituted sulfonyl, carboxylic acid ester or carboxamide radical, orB and E together with the carbon atoms by which they are linked may be an alicyclic or heterocyclic radical,F is an aliphatic, carbocylic or heterocyclic radical,L is --O--, --COO--, ##STR2## n is 1, 2, 3 or 4, Y is .dbd.CH-- or .dbd.N-- andZ is ##STR3## or the radical of a coupling component, alkyl being of 1 to 4 carbon atoms, andR is hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aryl or acyl and R.sup.1 and R.sup.2 are substituents conventionally present in dyes.The compounds of the formula I give fast dyeings on natural polyamides and synthetic nylons.

Abstract: Methine dyes of the general formula ##STR1## where the groups A are identical or different aryl or hetaryl, A.sup..crclbar. is an anion, R is hydrogen, methyl or ethyl and X is a bridge member, and the methine groups are in the .alpha.- or .gamma.-position. The compounds are preferably used for dyeing paper.

Abstract: Compounds of the general formula I ##STR1## where B is a bridge member,the radicals R independently of one another are hydrogen or substituted or unsubstituted alkyl, or two radicals R together with the nitrogen are a heterocyclic saturated 5-membered or 6-membered ring,the radicals R.sup.1 independently of one another are hydrogen or C.sub.1 -C.sub.4 -alkyl,the radicals R.sup.2 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl or halogen,the radicals R.sup.3 independently of one another are hydrogen or substituted or unsubstituted alkyl or together are an alkylene group, and X.crclbar. is an anion. The compounds of the formula I are particularly suitable for dyeing paper.

Abstract: Paper dyed with compounds of the general formula I ##STR1## where R.sup.1 is unsubstituted or substituted alkyl, T is hydrogen or alkyl, A.sup..theta. is an anion, n is 1, 2 or 3 and X is an aminoaryl radical which may or may not possess further substituents, and where the benzene nucleus a may be substituted by alkyl, hydroxy, alkoxy, chlorine, bromine, amino, alkylamino, dialkylamino, alkanoylamino or nitro. The compounds of the formula I dye paper in brilliant yellow shades. They are also suitable for dyeing materials containing anionic groups.

Abstract: Aminobenzaldehyde compounds and a process for their production by the reaction of an aniline with a formamide in the presence of an acid halide with or without a following reaction with a nitrogen compound. The products are starting materials for the production of optical brighteners, dyes, plant protection agents and medicaments.