申请人:CIBA SC HOLDING AG
公开号:WO2003104333A1
公开(公告)日:2003-12-18
The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates necessary for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.
本发明涉及新型黄色阴离子染料、其制备方法、制备所必需的某些新型中间体以及利用这些染料对天然或合成材料进行染色,特别是纸张的用途。