To provide a method for dyeing or printing natural or synthetic polyamide textile products to provide a level-dyed textile products having three-color effect, and color fastnesses to rubbing and to light and by a three-color technique by using a specific blue-dyeing dye, red-dyeing dye, or yellow or orange dyeing dye.
A blue-dyeing dye of formula I (R1 to R4 are each H, a 1-4C alkyl, a 2-4C alkanoylamino, a ureide, etc.) is used with a red-dyeing dye of formula II [R and R' are each H or a (substituted) 1-4C alkyl; R5 to R8 are each H, a 1-4C alkyl, a ureide, etc.; X1 is a halogen] and a yellow or orange- dyeing dye of formula III (R9 to R12 are each H, a 1-4C alkyl, a halogen, sulfo, etc.) in the method of three-color dyeing or three-color printing. Wool or synthetic polyamide textile products are dyed or printed by the method.
ADAM JEAN-MARIE
CASI FRANCINE
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