Fluent polyazo dye preparations and method of dying leather or wool therewith

摘要

Fluent dye preparations useful for dyeing leather or wool contain a) at least 15% of the weight of the dye preparation of one or more polyazo dyes in salt form which have one or more hydroxysulfonyl and/or carboxyl groups and may be present in the form of a 1:1 or 1:2 metal complex, b) from 2 to 15% of the weight of the dye preparation of a surfactant, and c) water.