Dry dyestuff powders with enhanced water solubility

Details Dry dyestuff powders with enhanced water solubility Dry dyestuff powders with enhanced water solubility

C - Chemistry, Metallurgy

09

B

8/47

C09B 69/08 (2006.01) C09B 67/24 (2006.01)

Patent

CA 1321446

Mo-3011 VE-015 DRY DYESTUFF POWDERS WITH ENHANCED WATER SOLUBILITY ABSTRACT OF THE DISCLOSURE The present invention is concerned with improving the solubility of anionic water soluble dyestuff powders. The solubility of these powders particularly in cold water, is enhanced by adding (i) a chelating agent which has at least two free acid groups and (ii) a Lewis base in an amount sufficient to bring the pH of the water solution of the powder to a value of about 7-10. Mo-3011

581820

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