Stable finely dispersed aqueous formulations of disperse dyes and optical brighteners, and their use

Abstract

The invention relates to an aqueous disperse dye or optical brightener formulation which comprises (a) from 5 to 55 percent by weight, based on (a+c), of one or more finely divided dyes, optical brighteners or mixtures of these, (b) from 10 to 200 percent by weight, based on (a), of a water-soluble surfactant of the formula ##STR1## where X is from 0 to a mean value of 125, Y is from a mean value of 37 to a mean value of 250, but if X is >37, Y:X is at least 1:1, Z is 0 or 1 and Me.sym. is an alkali metal ion, or mixtures of such surfactants, (c) from 45 to 95 percent by weight, based on (a+c) of water or of a mixture of water and a water-retaining agent, with or without (d) further additives conventionally present in aqueous formulations.

Dependencies are inferred from the claim text.