Abstract: Reactive dyes of the formula ##STR1## where 1 is 0 or 1,n is 0 or 1,E is nitrogen or C--Cl,A is the radical of an azo dye attached to the triazine ring via an imino or C.sub.1 -C.sub.4 -alkylimino group,B--if E is nitrogen--is the radical of an azo dye or of a formazan dye which in either case is bonded to the triazine ring via an imino or C.sub.1 -C.sub.4 -alkylimino group or else--if n is 0--is fluorine, chlorine or unsubstituted or substituted amino, or --if E is C--C1--is fluorine, chlorine or methyl,X.sup.1 and X.sup.2 are independently of the other fluorine or chlorine,X.sup.3 is fluorine or chlorine or else--if E is C--Cl--methylsulfonyl andZ.sup.1 and Z.sup.2 are independently of the other a radical of the formula ##STR2## where L.sup.3 and L.sup.4 are independently of the other hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl,with the proviso that l and n are not simultaneously 0 and that, if E is C--Cl or if n is 0 and Z.sup.1 is the radical of the formula ##STR3## where L.sup.

Abstract: Phenylene diamines of the formula ##STR1## in which R.sup.1 denotes hydrogen, formyl or oxalyl,R.sup.2 denotes hydrogen or C.sub.1 -C.sub.4 -alkyl andR.sup.3 denotes hydrogen or C.sub.2 -C.sub.8 -alkanoyl,provided that R.sup.1 and R.sup.2 are not both hydrogen and that when R.sup.2 is methyl or ethyl, R.sup.1 and R.sup.3 are not both hydrogen, and a process for the preparation of phenylene diamines.

Abstract: Reactive dyes useful for dyeing or printing hydroxyl- or amino-containing organic substrates have the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.4 is C.sub.1 -C.sub.4 -alkoxy, phenoxy or a radical of the formula NL.sup.1 L.sup.2, where L.sup.1 and L.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl, or L.sup.1 and L.sup.2 together combine with the nitrogen atom joining them to form a heterocyclic radical, or L.sup.1 may also be hydrogen,R.sup.5 is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or a radical of the formula ##STR2## A is substituted or unsubstituted C.sub.2 -C.sub.8 -alkylene, Y is vinyl or a radical of the formula --CH.sub.2 --CH.sub.

Abstract: Substituted 1,8-naphthalenedicarboximides of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X, Y, and Z have the meanings recited in the disclosure are disclosed as new compounds suitable for use as antidotes in herbicidal compositions.

Abstract: Phenylsulfones of the formula ##STR1## in which R.sup. is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, nitro, hydroxysulfonyl, carboxyl,the radical --NR.sup.3 R.sup.4,in which R.sup.3 and R.sup.4 are the same or different and denote hydrogen or C.sub.1 -C.sub.4 alkyl, which may or not be substituted,or the radical S(O).sub.n R.sup.5,in which n is 0 or 2 and R.sup.5 denotes C.sub.1 -C.sub.4 -alky which may or may not be substituted,R.sup.2 is hydroxy, mercapto or the radical R.sup.1,X is the radical ##STR2## or, with R.sup.2 in the ortho-position relative to the group SO.sub.2 --X,R.sup.2 and X together denote the radial ##STR3## in which Z.sup.1 is hydroxy, chlorine, C.sub.1 -alkanoyloxy- C.sub.1 -C.sub.4 -alkylsulfonyloxy penylsulfonyloxy, o- or p-tolylsulfonyloxy or sulfato andZ.sup.2 is oxygen, sulfur, imino or optionally substituted C.sub.1 -C.sub.4 -alkylimino, andY denotes amino, C.sub.1 -C.sub.4 -alkanoylamino or nitro, and a process for the preparation thereof.

Abstract: Novel copper formazan reactive dyes which contain one or two chromophoric radicals derived from a copper formazan of the formula ##STR1## where R.sup.1 is hydrogen, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkoxy or chlorine, R.sup.2 is hydrogen or hydroxysulfonyl and one of the two radicals R.sup.3 and R.sup.4 is hydrogen and the other is hydroxysulfonyl or, if at least one of the two radicals R.sup.1 and R.sup.2 is hydroxysulfonyl, R.sup.3 and R.sup.4 can each at the same time also be hydrogen, and two or three halotriazine radicals as reactive system, and salts thereof, are useful for dyeing or printing hydroxyl- or nitrogen-containing organic substrates.

Abstract: A process for the preparation of 2-alkylamino-4-aminobenzenesulfonic acids by acylation of 2,4-diaminobenzenesulfonic acid followed by alkylation of the resulting 4-acylamino-2-aminobenzenesulfonic acid and, finally, removal of the acyl group by hydrolysis.

Abstract: Copper formazan reactive dyes of the formula: ##STR1## where X is cyano, halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, one of two radicals Y and Z is hydrogen and the other is hydroxysulfonyl, R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl or cyano- or carbamoyl-substituted C.sub.2 -C.sub.4 -alkyl and R.sup.2 is fluorine or chlorine, and salts thereof are useful for dyeing cellulose fibers, resulting in blue shades. Such dyes are soluble in water and have a high fastness level and tinctorial strength.

Abstract: The compounds of the general formula (I) ##STR1## where A is a dye radical, where relevant the radicals Y independently of one another are each oxygen, sulfur, R.sup.1 --N or a direct bond, n is 1 or 2, the radicals R.sup.1 independently of one another are each hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl and Z is a bridge member, are very useful for dyeing hydroxyl-containing textile material.

Abstract: Reactive dyes which possess three reactive groups and conform to the formula ##STR1## where R.sup.1 is hydrogen, methyl or ethyl,X is hydrogen or hydroxysulfonyl,Hal is fluorine or chlorine,D is phenylene, carboxyl- hydroxysulfonyl-monosubstituted or -disubstituted phenylene or hydroxysulfonylmonosubstituted or -disubstituted naphthylene, andA is a reactive group which reacts only substitutively with the hydroxyl groups of the cellulose, or A--D together are a benzo-fused reactive group which reacts only substitutively with the hydroxyl groups of the cellulose, are used for dyeing or printing hydroxyl- or nitrogen-containing substrates.

Abstract: Double copper formazan reactive dyes of the formula ##STR1## in which R.sup.1 is hydrogen, hydroxylsulfonyl or chlorine; R.sup.2 is hydrogen or hydroxylsulfonyl; one of two radicals R.sup.3 and R.sup.4 is hydrogen and the other is hydroxylsulfonyl; Q is fluorine or chlorine; and X is a radical of the formula ##STR2## where R.sup.5 and R.sup.6 are identical or different and each is independently of the other hydrogen or unsubstituted or cyano- or hydroxyl-substituted C.sub.1 -C.sub.4 -alkyl and Y is hydroxyl or the radical NR.sup.7 R.sup.8 where R.sup.7 and R.sup.8 are identical or different and each is independently of the other hydrogen or unsubstituted or cyano-, hydroxyl- or hydroxylsulfonyl-substituted C.sub.1 -C.sub.4 -alkyl, with the proviso that R.sup.5 and R.sup.6 are not both hydrogen, or salts thereof are useful for dyeing and printing hydroxyl- or nitrogen-containing organic substrates.

Abstract: Imidazolylmethylene-containing triphendioxazine dyes of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, m and n each have defined meanings, A.sup..crclbar. is an anion and F is the radical of a triphendioxazine chromophore of the formula II ##STR2## where X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, L and p each have defined meanings, are useful for dyeing and printing material containing cellulose fibers.

Abstract: A compound of the formula I ##STR1## where A is nitro, amino, halocarbonyl or halosulfonyl, R is hydrogen, halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkanoylamino, hydroxyl, C.sub.1 -C.sub.4 -alkoxy phenoxy which is unsubstituted by methyl or chloro, mercapto, C.sub.1 -C.sub.4 -alkylthio, phenylthio which is unsubstituted or substituted by ethyl, fluoro, or methoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, phenoxycarbonyl which is unsubstituted or substituted by isopropyl, bromo, or methoxy, carbamoyl, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl which is unsubstituted or substituted by ethyl, chloro, or isopropoxy, sulfamoyl or trifluoromethyl or is C.sub.1 -C.sub.4 -alkyl which may be substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy or halogen, and X and Y are each, independently of one another, halogen, hydroxysulfonyl, C.sub.1 -C.sub.

Abstract: A vat dye based on monobromofluoranthene is prepared by a process in which monobromofluoranthene which contains no more than 7% of dibromofluoranthene is reacted with 1-amino-4-benzoylaminoanthraquinone, the reaction product is condensed at from 50.degree. to 70.degree. C. in 83-88% strength sulfuric acid to give the carbazole compound, and the latter is then further brominated to a bromine content of from 20 to 23% by weight.The dyes obtained by the novel process are very useful for dyeing cotton.

Abstract: A tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment which contains not less than 85% by weight of the tetrachloro compound of the formula ##STR1## which is present to the extent of not less than 95% by weight in the .beta.-modification and which, in an X-ray spectrum, exhibits 2.sup..crclbar. CuK.sub..alpha. main lines at 9.0.degree., 13.3.degree., 15.0.degree., 16.8.degree., 19.1.degree., 21.5.degree., 24.2.degree., 25.4.degree., 26.5.degree., 27.0.degree. and 27.5.degree..In finishes, the pigment gives very brilliant colorations which are very highly lightfast and fast to weathering and which, upon weathering, neither bleach nor darken up.

Abstract: Novel compounds of the general formula I ##STR1## where A is a fiber-reactive radical of the triazine, pyrimidine or vinylsulfone series, D is a radical of a sulfo-containing diazo component of the aniline or aminonaphthalene series, K is the radical of a coupling component of the aminohydroxynaphthalene series, X is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl, trifluoromethyl, C.sub.1 -C.sub.4 -alkoxy, phenoxy, hydroxysulfonyl, carboxyl, acetyl, propionyl, methylsulfonyl, ethylsulfonyl, phenylsulfonyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, phenoxysulfonyl or unsubstituted or substituted carbamyl or sulfamyl, and Y is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl, trifluoromethyl, C.sub.1 -C.sub.4 -alkoxy, phenoxy, phenoxysulfonyl, acetyl, propionyl, methylsulfonyl, ethylsulfonyl, phenylsulfonyl, p-acetylaminophenylsulfonyl, hydroxysulfonyl, C.sub.1 -C.sub.

Abstract: Novel compounds which, in the form of the free acid, are of the formula 1 ##STR1## where X is chlorine or fluorine and R is hydrogen, vinylsulfonylphenyl, .beta.-sulfatoethylsulfonylphenyl, vinylsulfonylbenzyl, sulfophenyl or .beta.-sulfatoethylsulfonylbenzyl, are particularly suitable for dyeing cotton.

Abstract: An electrophotographic recording medium which consists essentially of an electrically conductive base and a photosemiconductive double layer which comprises a first layer containing charge carrier-producing dyes, and a second layer containing one or more compounds which are charge carrier-transporting when exposed to light, wherein the charge carrier-producing dyes are dark in color, possess substantially panchromatic absorption characteristics, and are of the general formula ##STR1## where R.sup.1 is propyl, 1-hydroxypropyl, 1-methoxypropyl or 1-phenylethyl, Z is p-phenylazoanilino, phenylthio or anilino, and n is 0-6, and a process for the production of this electrophotographic recording medium.

Abstract: Methyl m-nitrobenzoate is prepared by a process in which an isomer mixture is treated with from 10 to 1000% by weight of water in the presence of from 0.05 to 20% by weight of an emulsifier, the percentages being based on the weight of the isomer mixture,(a) in a first stage at from 55.degree. to 100.degree. C. and a pH from 2 to 8 and then(b) in a second stage at from 10.degree. to 40.degree. C. and a pH of not less than 9.The methyl m-nitrobenzoate obtainable by the process of the invention is a useful starting material for the preparation of dyes and crop protection agents.

Abstract: Dyes of the formula ##STR1## where F is an (m+n)-valent radical of a quinophthalone, dioxazine, indigo, quinacridone, triphenylmethane or rhodamine dye, M.sup..sym. is H.sup..sym. or one equivalent of a metal cation, m is 0, 1 or 2 and n is 1, 2, 3 or 4, and their salts, are very useful for dyeing and printing paper. If they are used for wet-end dyeing, the waste water is virtually colorless. The colorations obtained exhibit good lightfastness and good bleeding fastness.