Dye compositions for dyeing denim cotton yarns and dyeing...

Details Dye compositions for dyeing denim cotton yarns and dyeing... Dye compositions for dyeing denim cotton yarns and dyeing...

C - Chemistry, Metallurgy

09

B

8/11

C09B 67/22 (2006.01) C09B 7/02 (2006.01) D06P 1/22 (2006.01) D06P 3/60 (2006.01)

Patent

CA 1335529

Dyed denim cotton yarns capable of meeting the market demand for colored jeans can be provided by immersing denim cotton yarns in a dye bath containing a dye or dye composition comprising at least one halogenated indirubin derivative and an indigo dye, squeezing and air-oxidizing the dyed yarns, and repeating a series of these steps.

600416

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