In the process for production of resist effects on textile materials of mixed fibers of polyester and cellulose comprising impregnating the materials with a dye liquor containing disperse dyestuffs and reactive dyestuffs which react with the resisting agents, drying or partially drying the padded materials and subsequently printing a resist paste on the material, and heat-treating the materials the improvement comprises the dischargeable disperse dyestuffs being of a class of dyestuffs of which an exemplary species is IMAGE one of the tautomeric forms of a class of dyestuffs of which an exemplary species is IMAGE or disperse dyestuffs which are free from groups conferring solubility in water and which contain at least two carboxylic acid ester moieties.
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