专利检索 ap:("Huntsman International LLC") AND inv:"Fanny Ehret" 第 1 页

1.

发明授权
Fibre reactive formazan dyes, their preparation and their use 有权

公开(公告)号：US10550268B2

公开(公告)日：2020-02-04

申请号：US16047969

申请日：2016-12-06

申请人： Huntsman International LLC

发明人： Hubert Jean-Luc Christnacher , Fanny Ehret , Athanassios Tzikas , Rainer Hildebrand , Michael Nicollet

IPC分类号： C09B62/503 , C09D11/328 , D06P5/30 , D06P1/38 , D06P3/66

摘要： A reactive dye of formula wherein Z1 and Z2 are each independently of the other vinyl or a radical —CH2—CH2—Y and Y is a group removable under alkaline conditions, n is the number 1, 2, 3 or 4, m is the number 2, 3 or 4, q is the number 0 or 1, and the substituents —(SO3H)n, —SO2—Z1 and —NH—CO—(CH2)m—SO2—Z2 are bound to the benzene rings A, B and/or C, said benzene rings A, B and/or C are optionally further substituted by at least one substituent selected from the group C1-C4alkyl, C1-C4alkoxy and halogen, is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.