Back to results
US 2010/0167028 A1Published application
Stable Liquid Formulation
AssigneeClariant Finance (BVI) Limited
InventorLudwig Hasemann
Life of this patent
Estimating the term…
Abstract
The present invention concerns concentrated aqueous solutions of an anionic disazo dye, comprising salts and or the free acids of the anionic dye of the formula (I) and 2-(2-butoxyethoxy)ethanol and the use of these solutions for dyeing and/or printing hydroxyl-containing substrates and for producing inkjet inks.
Claims8
A concentrated aqueous solution comprising salts or the free acid of the anionic dye of the formula (I) or both,
- 2-(2 butoxyethoxy)ethanol and a water-soluble organic solubilizer.
The concentrated aqueous solution according to claim 3, comprising 10-12% by weight of the anionic dye of the formula (I), wherein the anionic dye is in the form of a free acid,
- 1-8% by weight of 2-(2-butoxyethoxy)ethanol,
- 1-6% by weight of a water-soluble organic solubilizer and
- 74-88% by weight of water.
Dependencies are inferred from the claim text.