REACTIVE DYES, PRODUCTION METHOD AND USE THEREOF Russian patent published in 2014 - IPC C09B62/455 C09B62/515 D06P3/10 D06P3/66 C09D11/02 

FIELD: chemistry.

SUBSTANCE: invention relates to novel reactive dyes for dyeing or printing on fibrous textiles. Described are reactive dyes of formula (1), where A is bivalent radical of formula , or , R₁-R₇, X, T, q, s, t, u assume values given in the claim. The invention also describes a method of producing said dye, water-based ink based thereon and use thereof.

EFFECT: disclosed dyes provide high resistance of the dye or drawing on synthetic nitrogen- or hydroxy-containing fibrous materials to washing and light, especially on polyamide fibrous materials.

14 cl, 5 ex