发明名称 DYE SOLUTIONS
摘要 Concentrated aqueous solutions of dyestuffs having water-solubilizing groups which contain cyanamides of the formula <IMAGE> wherein R1=NHCN, NHCONH2 or NHCONHCH3 where n=0 and m=1 or n=1 and m=0, have a long shelf life, in particular also in the case of reactive dyestuffs.
申请公布号 EP0167952(A3) 申请公布日期 1989.03.22
申请号 EP19850108117 申请日期 1985.06.29
申请人 BAYER AG 发明人 WOLFF, JOACHIM, DR.;WOLF, KARLHEINZ, DR.;MARSCHNER, WERNER, DIPL.-ING.
分类号 C09B67/26;C09B67/34;(IPC1-7):C09B67/44 主分类号 C09B67/26
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