Abstract: This invention relates to azo dyes particularly useful for dyeing polyamide fiber, wool and the like, in which the diazotized amino component bears sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring. These dyes have excellent dyeing properties on polyamide fibers and also impart color to cellulose acetate fibers and wool.The dyes correspond to the formula: ##STR1## wherein R.sup.1 and R represent a large variety of groups; X' is O, NH, N(alkyl)- or N(aryl)-; Z is selected from straight- or branched-chain alkylene which may be substituted, for example, with phenyl, halogen, OSO.sub.3 M, alkoxy, aryloxy and the like; M is H, Na, K or NH.sub.4 ; n is 1 or 2; and the coupler C is selected from a variety of couplers including anilines, tetrahydroquinolines, phenols and the like.

Abstract: This invention relates to azo dyes in which the diazotized amino component bears 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring. These dyes have excellent dyeing properties on polyamide fibers and also impart color to cellulose acetate fibers and wool.The dyes correspond to the formula: ##STR1## wherein when n is 1, R.sup.1 is selected from hydrogen, alkyl, aryl, alkylthio, carbamoyl, alkylcarbamoyl, acyl, cyanoalkyl, and halogen; R is selected from hydrogen, alkyl, aryl, acyl, alkylsulfonyl, arylsulfonyl alkylsulfamoyl, arylsulfamoyl, alkyl substituted with alkoxy, cyano, or halogen, and aryl substituted with alkoxy, halogen, or cyano; X' is O, NH, N(alkyl)--or N(aryl)--; Z is selected from straight- or branched-chain alkylene which may be substituted, for example, with phenyl, halogen, OSO.sub.3 M, alkoxy, aryloxy and the like; M is H, Na, K or NH.sub.

Abstract: Disclosed are mono azo dyes derived from diazotized 5-membered heterocyclic amines and certain aniline, 1,2,3,4-tetrahydroquinoline, and benzomorpholine couplers containing thiosulfate alkyl groups. These dyes are useful for dyeing synthetic fibers, cellulose acetate and wool, and particularly impart fast violet to blue shades on polyamide fibers, and in general, exhibit improved properties such as fastness to light, sublimation, ozone, oxides of nitrogen, perspiration, crock, and wash, and exhibit excellent build, pH stability, bloom resistance, depth of shade, leveling, migration, and the like. The dyes have the general formula:D--N.dbd.N--Couplerwherein D is a thiadiazol, isothiazol, pyrazol or thiophene type radical, and the Coupler is an aniline, tetrahydroquinoline, or benzomorpholine derivative wherein a --ZSSO.sub.

Abstract: This invention relates to azo dyes in which the diazotized amino component bears 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring. These dyes have excellent dyeing and fastness properties on polyamide fibers and also impart color to cellulose acetate fibers and wool.The dyes correspond to the general formula: ##STR1## wherein R.sup.1 represents up to three of a large variety of groups such as alkyl, alkoxy, acyl, arylthio, and the like; X' is O, NH, N(alkyl)- or N(aryl)-; Z is selected from straight- or branched-chain alkylene which may be substituted, for example, with phenyl, halogen, OSO.sub.3 M, alkoxy, aryloxy and the like; M is H, Na, K or NH.sub.4 ; n is 1 or 2; and the coupler C is selected from a variety of couplers including anilines, tetrahydroquinolines, phenols and the like.

Abstract: This invention relates to azo dyes in which the diazotized 2-aminothiophene bears 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring. These dyes have excellent dyeing and fastness properties on polyamide fibers and also impart color to cellulose acetate fibers and wool.The dyes correspond to the general formula: ##STR1## wherein R.sup.1 is selected from hydrogen, alkyl, aryl, alkoxy, thiocyano, formyl, alkylthio, carbamoyl, alkoxycarbonyl, alkylcarbamoyl, acyl, aroyl, arylsulfonyl, alkylsulfonyl, sulfamoyl, SO.sub.2 NH(alkyl), SO.sub.2 N(dialkyl),alkylsulfonamido, acylamido, halogen, trifluoromethyl, SO.sub.3 (aryl) and arylazo; X' is O, NH, N(alkyl)-- or N(aryl)--; Z is selected from straight- or branched-chain alkylene which may be substituted, for example, with phenyl, halogen, OSO.sub.3 M, alkoxy, aryloxy and the like; M is H, Na, K or NH.sub.

Abstract: Disclosed are mono azo dyes derived from diazotized 5-membered heterocyclic amines and certain aniline, 1,2,3,4-tetrahydroquinoline, and benzomorpholine couplers containing sulfoalkyl groups. These dyes impart fast violet to blue shades on polyamide fibers and have the general formulaD--N.dbd.N--Couplerwherein D is a thiadiazol, isothiazol, pyrazol or thiophene type radical, and the Coupler is an aniline, tetrahydroquinoline, or benzomorpholine derivative wherein a --Z--SO.sub.3 M group is attached to the nitrogen thereof, the coupler ring may contain one or more substituents selected from lower alkyl, lower alkoxy, halogen, acylamido, alkylthio or aryloxy, the remaining hydrogen of the aniline coupler may be replaced by a substituent such as lower alkyl, substituted lower alkyl, lower alkenyl, aryl, or cycloalkyl, M is Na.sup.+, K.sup.+, NH.sub.4.sup.+ or H.sup.+, and Z is a linking group such as ethylene.

Abstract: Disclosed are new azo dyes prepared by diazotizing selected substituted anilines and coupling with aniline couplers containing sulfate ester groups. These dyes impart fast yellow to reddish-orange shades on polyamide fibers and also color cellulose acetate and wool. The dyes have the following general formula: ##STR1## wherein R is selected from a variety of groups such as alkyl, alkoxy, aryl, cycloalkyl, aryloxy, NH.sub.2, and NH alkyl; X is hydrogen, halogen, alkyl, or the like; Y is hydrogen or halogen; R.sub.1 is selected from groups such as hydrogen, alkyl, alkoxy, halogen, acylamido, alkylthio, and aryloxy; R.sub.2 is selected from such groups as hydrogen, alkyl, aryl and cycloalkyl; Z is a linking group such as alkylene; M is H.sup.+, Na.sup.+, K.sup.+, or NH.sub.4.sup.+ ; and m is 0, 1, or 2.

Abstract: Disclosed are anthraquinone dyes useful in conventional dyeing of synthetic fibers and for incorporation by copolymerization into polyesters for coloring the same, said dyes having the structure ##STR1## wherein R is --OH, --COOR.sup.1, or --COX wherein R.sup.1 is --H or a radical such as lower alkyl which may be used in polyester forming condensation reactions, X is halogen, preferably Cl or Br, n is 1 or 2, either A or B of II must contain, and A or B of I may contain, at least one additional ##STR2## group, and each of rings A and B may be substituted with 1-3 radicals such as lower alkyl, cycloalkyl, lower alkoxy, chlorine, bromine, amino, lower alkyl amino, substituted lower alkyl amino, aryl amino, lower alkylsulfonyl, lower alkylthio, arylthio, and the like. The term "lower " as used herein means 1-6 carbons.

Abstract: Disclosed are mono azo dyes derived from diazotized 3-amino-2,1-benzisothiazoles and certain aniline, 1,2,3,4-tetrahydroquinoline, and benzomorpholine couplers containing sulfoalkyl groups. These dyes impart fast violet to blue shades on polyamide fibers and have the general formula ##STR1## wherein the Coupler is a derivative of an aniline, tetrahydroquinoline, or benzomorpholine derivative wherein a --Z--SO.sub.3 M group is attached to the nitrogen thereof, R may be hydrogen or one to three substituents such as lower alkyl, lower alkoxy, chlorine, bromine, iodine, sulfamoyl, and substituted sulfamoyl, the coupler ring may contain one or more substituents selected from lower alkyl, lower alkoxy, halogen, acylamido, alkylthio or aryloxy, the remaining hydrogen of the aniline coupler nitrogen may be replaced by a substituent such as lower alkyl, substituted lower alkyl, lower alkenyl, aryl, or cycloalkyl, M is Na.sup.+, K.sup.+, NH.sub.4.sup.+, and Z is a linking group such as ethylene.

Abstract: Azo compounds having the formula ##STR1## in which R.sup.1 is cyano, aryl, an acyl radical or a carbamoyl radical, R.sup.2 is hydrogen, alkyl, alkoxy, aralkyl or aryl, R.sup.3 is alkyl, halogen, thiocyanato, arylazo or one of the substituents which R.sup.1 can represent, and A is an aniline, tetrahydroquinoline, benzomorpholine or .alpha.-naphthylamine disperse azo dye coupling component. The azo compounds produce red to blue shades on polyamide, polyester and cellulose acetate fibers and exhibit improved fastness and dyeability properties on synthetic polyamide fibers.

Abstract: Methine dyes from tetrahydroquinoline compounds containing N-thioether substituents, in general produce bright yellow shades when applied to polyester fabrics by conventional dyeing procedures, have improved properties such as dyeability, fastness to light, resistance to sublimation, insensitivity to pH changes, and dye at the boil and under pressure to the same depth of shade. These compounds are particularly useful in the thermal fixation technique for dyeing polyester materials.

Abstract: Disclosed are azo dyes prepared by diazotizing heterocyclic amines such as 2-aminobenzothiazole, 3-amino-2,1-benzisothiazole, 5-amino-1,2,4-thiadiazole, 5-aminoisothiazole, 5-aminopyrazole, 2-aminothiophene and 2-amino-1,3,4-thiadiazole, followed by coupling with certain aniline, tetrahydroquinoline, or benzomorpholine compounds containing sulfate groups. These amines may be substituted with a large variety of groups including lower alkyl, lower alkoxy, cyano, carbamoyl, sulfamoyl, and halogen. These dyes have excellent dyeing properties on polyamide fibers and also impart color to cellulose acetate fibers and wool.

Abstract: This invention concerns certain substituted aniline coupled dyes, and, in particular, disperse dyes from 2-bromo, chloro, or cyano-4,6-dinitroaniline and selected alkyl-3-(2'-alkoxy-5'-alkanoylaminoanilino)butyrates and alkyl-4-(2'-alkoxy-5'-alkanoylaminoanilino)valerates. These dyes impart bright, blue shades with excellent colorfastness to polyester fibers, and have excellent dyeing properties by either heat fixation or exhaust (boil and pressure) methods of application on polyester fibers. These dyes are also useful for dyeing cellulose ester fibers and polyamides such as nylon.

Abstract: Substituted thiazolylazo and benzothiazolylazo compounds having a cyclohexylaminoacylanilide coupling component are useful as dyes for polyester textile materials on which the compounds exhibit improved dyeability, fastness to light, resistance to sublimation and improved brightness.

Abstract: Methine dyes from tetrahydroquinoline compounds containing N-thioether substituents, in general produce bright yellow shades when applied to polyester fabrics by conventional dyeing procedures, have improved properties such as dyeability, fastness to light, resistance to sublimation, insensitivity to pH changes, and dye at the boil and under pressure to the same depth of shade. These compounds are particularly useful in the thermal fixation technique for dyeing polyester materials.

Abstract: Substituted thienylazo compounds having a cyclohexylaminoacylanilide coupling component are useful as dyes for polyester textile materials on which the compounds exhibit improved dyeability, fastness to light, resistance to sublimation and improved brightness.

Abstract: Azo compounds, having the formula ##STR1## in which R.sup.1 and R.sup.2 are hydrogen, alkyl, alkoxy or halogen and A is a 2-position substituted tetrahydroquinoline type coupler which may be further substituted, or a benzomorpholine type coupler for disperse azo dyes, produce bright, level reddish-blue to blue shades on synthetic polyamide fiber and exhibit good to excellent fastness to light, sublimation, ozone and gas.

Abstract: Substituted phenylazo compounds having a cyclohexylaminoacylanilide coupling component are useful as dyes for polyester textile materials on which the compounds exhibit improved dyeability, fastness to light, resistance to sublimation and improved brightness.

Abstract: Monoazo compounds containing a N-substituted-3- or 4-phthalimidyl diazo component and certain m-acylamido-N-substituted aniline residue coupling components produce bright scarlet to red shades on fibers of, for example, polyester, polyamide and cellulose esters, and exhibit improved dyeability properties and good to excellent fastness to light, high pH, sublimation and crocking.

Abstract: Monoazo compounds, which exhibit improved light, wash and crock fastness, build-up, migration, sublimation fastness, and dyeability properties on polyamide textile materials on which the compounds produce red to violet shades, which have the general formula ##STR1## in which R.sup.1 is hydrogen, unsubstituted or substituted alkyl, unsubstituted or substituted alkoxy, cyclohexoxy, aryloxy, halogen, or alkanoylamino; R.sup.2 is hydrogen, alkyl, alkoxy or halogen; R.sup.3 is hydrogen or lower alkyl; R.sup.4 and R.sup.5 each is hydrogen or methyl; R.sup.6 is hydrogen, alkyl, alkoxy or acylamido; and R.sup.7 is alkyl, allyl, or certain substituted alkyl groups.