Process for trichromatic dyeing or printing

Details Process for trichromatic dyeing or printing Process for trichromatic dyeing or printing

D - Textiles, Paper

06

P

D06P 3/04 (2006.01) C09B 67/22 (2006.01) D06P 3/16 (2006.01) D06P 3/24 (2006.01)

Patent

CA 2134415

Process for trichromatic dyeing or printing Abstract of the Disclosure A process for dyeing or printing natural or synthetic polyamide fibre materials by the trichromatic technique which comprises using a yellow or orange-dyeing dye of formula (1) Image (1); together with a red-dyeing dye of formula (2) or (3) Image (2), Image (3); and together with a mixture of the blue-dyeing dyes of formulae (4) and (5) Image Image (4), (5); or together with a blue-dyeing dye of formula Image , wherein R1, R2, R3, R4 and X are as defined in claim 1. The process of this invention is suitable for dyeing natural or synthetic polyamide material from an aqueous liquor or for printing with printing pastes.

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