Liquid reactive dyestuff preparations and their use

Claim 1

A liquid water-containing dyeing preparation which comprises from 10 to 25 weight percent of one or more reactive dyestuffs, said one or more dyestuffs when in the free acid form being of the formula (HO.sub.3 S).sub.m --F--Z.sub.n wherein F is the radical of a chromophore of an anthraquinone dyestuff, mono-, dis- or trisazo dyestuff or of a phthalocyanine dyestuff, m is an integer of from 1 to 8, n is an integer of from 1 to 3 and z is one or more fiber reactive radicals of monohalogen-symmetric-triazine; of mono- di- or trihalogen pyrimidine; of mono- or dichloroquinoxaline or dichlorophthalazine or dichloroquinazoline or dichloropyridazone, or bromine or fluorine derivatives thereof; or of sulfonyl-containing triazine, sulfonyl-containing pyrimidine or ammonium-containing triazine; or of pyrimidine-containing triazine; or of the aliphatic series; from 5 to 25 weight percent of one or more solubilizers selected from the group consisting of tetramethyl urea, dimethyl formamide, N-methylacetamide, dimethyl sulfoxide, tetramethylene sulfone, N-methyl pyrrolidone, phosphoric acid tris-(dimethyl)amide, diethylene glycol dimethyl ether and ε-caprolactam; from 1 to 20 weight percent of a sulfosuccinic acid derivative which is a semi-ester or a sulfosuccinic acid amide; and from 1 to 6 weight percent buffer which does not react with Z so as to reduce the tinctorial strength in any substantial degree; said dyeing preparation exhibiting a pH of from 3 to 7.