03-01-2019 дата публикации
Номер: US20190002699A1
Принадлежит:
A reactive dye of formula 2. A reactive dye according to claim 1 , wherein{'sub': 3', '3', '3', '3', '2', '6', '5', '2', '1', '4', '2', '1', '4', '2, 'Y is —Cl, —Br, —F, —OSOH, —SSOH, —OCO—CH, —OPOH, —OCO—CH, —OSO—(C-Calkyl) or —OSO—N(C-Calkyl).'}3. A reactive dye according to claim 1 , wherein Y is —Cl or —OSOH.4. A reactive dye according to claim 1 , wherein n is the number 2.5. A reactive dye according to claim 1 , wherein m is the number 3.6. A reactive dye according to claim 1 , wherein q is the number 1.7. A reactive dye according to claim 1 , wherein the benzene rings A claim 1 , B and/or C are devoid of further substituents from the group C-Calkyl claim 1 , C-Calkoxy and halogen.8. A reactive dye according to claim 1 , wherein{'sub': 1', '2', '2', '2', '3, 'Zand Zare each independently of the other vinyl or a radical —CH—CH—Y and Y is —Cl or —OSOH,'}n is the number 2,m is the number 3,q is the number 1, and{'sub': 1', '4', '1', '4, 'the benzene rings A, B and/or C are devoid of further substituents from the group C-Calkyl, C-Calkoxy and halogen.'}11. (canceled)12. (canceled)13. A process for the dyeing or printing of hydroxyl-group-containing or nitrogen-containing fibre materials claim 1 , wherein a reactive dye according to is used.14. An aqueous ink comprising the reactive dye of .15. A process for ink-jet printing claim 14 , wherein an aqueous ink according to is used.16. A cellulosic fibre material dyed using a reactive dye according to .17. A process for the dyeing or printing of hydroxyl-group-containing or nitrogen-containing fibre materials with a reactive dye according to . The present invention relates to blue dyeing formazan dyes having two fibre reactive groups, to a process for the preparation thereof and to the use thereof in dyeing or printing textile fibre materials.Fibre reactive formazan dyes which can be used for the dyeing and printing of hydroxyl-group-containing or nitrogen-containing fibre materials, such as cotton or wool, are known ...
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