申请人:KEMIRA OYJ
公开号:WO2012072634A1
公开(公告)日:2012-06-07
The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades.
本发明涉及新的偶氮染料,其制备过程,以及它们用于染色或印花纤维材料以产生棕色调材料的用途。