Process for coloring synthetic textile materials
AssigneeZeneca Limited
InventorNigel Hall
Life of this patent
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Abstract
A process for coloring a synthetic textile material or fiber blend thereof which comprises applying to the synthetic textile material a dye, which is free from water solubilizing groups, carrying at least one --SO.sub.2 F group provided that the dye is not an azo, bisazo or anthraquinone dye.
Claims1
A process for coloring a synthetic textile material selected from secondary cellulose acetate, cellulose triacetate, polyamide, polyacrylonitrile and aromatic polyester, or fiber blend thereof which comprises applying to the synthetic textile material a dye in the form of an aqueous dispersion, said dye containing at least one SO.sub.2 F group and being free of water solubilizing groups and being selected from the group consisting of aminodicyanobenzanthrones, anthraisothiazolones, benzodifuranones, benzothioxanthenes, coumarins, indoanilines, isoindoloperimidones, isoindoles, isoquinolines, isoquinolinediones, naphtholactams, nitrodiphenylamines, pyrroles, styryls, thiophene-1, 1-dioxides, thiazoles and triphenodioxazines.
Dependencies are inferred from the claim text.