Abstract: Water-soluble monoazo dyes, their preparation and use Dyes of the formula (1): in which M is hydrogen, ammonium, an alkali metal or the equivalent of an alkaline earth metal; X is sulfonyl or —COCH2O—; R1, R2 and R3 independently of one another are hydrogen, halogen, for example fluorine, chlorine or bromine, unsubstituted or chloro- or hydroxy-substituted C1 to C4 alkoxy, for example 2-chloroethoxy or 2-hydroxyethoxy, and the sulfo group is in position 3 or 4 to the NH group, their preparation, and their use for dyeing or printing carboxamido-containing materials.

Abstract: wherein: R1 is a moiety selected from: R2 is CH2CH2CONH2 or CH2CH2OH; R3 and R4 are independent substituents selected from the group including H, —N(CH3)2, or —OCH3; or pharmaceutically acceptable salts thereof.

Abstract: Dyes of the formula ##STR1## where the ring A may be benzofused and R.sup.1 -R.sup.6 have the meaning defined in the specification, with the proviso that at least one quaternizable or quaternary group is present in the molecule; use of said dyes for dyeing or printing polymeric material, and novel amides of J-acid.

Abstract: An azo dye for use in color filters soluble in alkaline aqueous solutions and organic solvents and having in one molecule at least one sulfonamido group of which one hydrogen atom is substituted; and a method for producing a color filter having a plurality of color filter elements which comprises the steps of a) coating a substrate with an organic solvent solution of a photoresist composition containing said azo dye and drying the coat to form an adhering layer, b) exposing a specific part of said layer to radiation ray, c) developing the exposed or unexposed region with alkali to form a colored pattern, and d) repeating the steps a)-c) on every dye of different color present in said composition.

Abstract: There are described dyes of the formula ##STR1## where the ring A may be benzofused, R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.8 -alkanoyl, substituted or unsubstituted benzoyl, substituted C.sub.2 -C.sub.4 -alkanoyl, or substituted diaminotriazinyl,R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl or R.sup.1 and R.sup.2 together with the nitrogen atom joining them together are a heterocyclic radical,R.sup.3 and R.sup.4 are each substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted piperidinyl and R.sup.3 may also be hydrogen,R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.2 -C.sub.5 -alkanoylamino, halogen, nitro, cyano, substituted or unsubstituted phenylazo, C.sub.2 -C.sub.4 -alkanoylamino substituted by a quaternizable or quaternary group, or C.sub.2 -C.sub.4 -alkoxy, C.sub.2 -C.sub.4 -alkoxycarbonyl or C.sub.2 -C.

Abstract: A monoazo compound of the general formula ##STR1## wherein; Y is hydrogen, methyl, methoxy, acetylamino, or nitro, or Y, cojointly with the carbon atom located in the benzene ring B at the 3-position with respect to the N.dbd.N group, may form a benzene ring; X is acetyl, benzoyl, p-toluenesulfonyl, or 4-chloro-6-hydroxy-1,3,5-triazine-2-yl; and M.sup.1, M.sup.2 and M.sup.3 each are a base selected from alkali metal atom, ammonium cation and amine salt cation. A recording liquid comprising a coloring matter, which is an image-forming component, and a liquid medium for dissolving or dispersing the coloring matter, said recording liquid being characterized by containing as coloring matter the above-mentioned monoazo compound.

Abstract: A dye having a representative formula as follows and an ink providing waterfast printing having the dye, in which a surfactant is not essential: ##STR1##

Abstract: The sulfonamides have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.13 -lkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.8 -alkanoyl or substituted or unsubstituted benzoyl, andR.sup.2 and R.sup.3 are each independently of one another substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted piperidinyt, or R.sup.2 may also be hydrogen.

Abstract: A color light-sensitive material comprising a support provided thereon at least one light-sensitive silver salt layer combined with an image forming compound represented by formula (I) ##STR1## wherein Dye represents a cyan dye group or a precursor thereof represented by formula (II) defined in the specification;X represents a chemical bond or a linking group;Y represents a group which releases Dye corresponding to or countercorresponding to light-sensitive silver salt having an imagewise latent image and makes a difference in diffusibility between the dye thus released and the compound represented by formula (I), provided that Dye and X are linked to each other by A or E in formula (II); andq represents an integer of 1 or 2, provided that when q is 2, the two groups (Dye--X) may be the same or different.

Abstract: The present invention relates to azo dyes of the formula ##STR1## wherein X is an aryloxy radical or an unsubstituted or substituted C.sub.1 -C.sub.12 alkyl radical, a cycloalkyl radical or an aryl radical or a group of the formula ##STR2## wherein R.sub.1 is hydrogen, unsubstituted or substituted lower alkyl, cycloalkyl or aryl, and R.sub.2 is hydrogen or unsubstituted or substituted lower alkyl, or wherein R.sub.1 and R.sub.2, together with the nitrogen atom to which they are attached, form a 5- or 6-membered heterocyclic ring which may contain a further hetero-atom, Y is halogen, low molecular alkyl or low molecular alkoxy, and K is the radical of a coupling component of the benzene or naphthalene series or of the heterocyclic series.These dyes yield dyeings of good light- and wetfastness on polyamide material.

Abstract: The dyestuffs of the general formulae ##STR1## and salts thereof whereinX denotes hydrogen, alkoxy or NHR.sub.3,R denotes hydrogen, alkyl or alkoxy,R.sub.1 denotes alkyl,R.sub.2 and R.sub.3 denote hydrogen, alkyl, alkylcarbonyl, alkylsulphonyl, aryl, arylcar=bonyl, arylsulphonyl, aralkyl, aralkylcarbonyl or aminocarbonyl andm and n denote 1 or 2, andwherein the substituents mentioned can, in turn, be substituted by nonionic radicals or carboxylic or sulphonic acid groups customary in dyestuffs chemistry, are used for dyeing cellulose-containing materials and leather.

Abstract: Reactive dyes suitable for dyeing and printing cellulosic fiber materials by the cold pad-batch process having the formula ##STR1## wherein Fa is a monoazo or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazane, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, napthoquinone, pyrenequinone or perylene-tetracarbimide dye radical, X is halogen, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl, a sulfonic acid or phosphonic acid group or a quaternized ammonium group, r is 1 or 2, R is hydrogen or C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by halogen, hydroxyl, cyano, carboxyl, sulfo, sulfato, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkoxy or phenyl, and A is a radical of the formula ##STR2## wherein R' is hydrogen, C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by halogen, hydroxyl, cyano, carboxyl, sulfo, sulfato, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkoxy or phenyl, C.sub.5 -C.sub.

Abstract: A method for purifying a dye solution is provided. The method comprises the steps of dissolving an impure dye in a solvent. A flocculant is then added to the dye solution in order to flocculate the imprity so that the impurity may then be removed from the solution. A method for producing on ink utilizing the purification procedure is also provided.

Abstract: The present invention relates to novel chromium complex dyes of the formula ##STR1## wherein Z is hydrogen, chloro, bromo, nitro, lower alkyl or acylamino;L is H.sub.