Patent ID: 7331998

Claim:
An aqueous liquid formulation comprising 5-25% by weight of a dye composition comprising 70-95% by weight of a dye obtainable by substoichiometric reduction based on 5-nitro-o-toluenesulfonic acid of Direct Yellow 11 with 0.05 to 0.3 moles of an organic reducing agent 1-30% by weight of a blue direct dye and 0-20% by weight of a red direct dye (all based on the dye composition) 1-15% by weight of a saturated, cyclic or acyclic water-soluble amine comprising a primary, secondary or tertiary amino group and at least one further functional group selected from primary, secondary and tertiary amino groups, OH groups and ether groups, and 1-30% by weight of urea based on the total weight of the aqueous liquid formulation, wherein the total amount of water-soluble amine and urea does not exceed 40% by weight.