发明名称 Cationic azo dyes - for keratin materials showing improved evenness
摘要 Cationic azo dyes for keratin materials contg. dye and additives are characterised by contg. a cationic monoazo dye of formula (I), where, R1, R2 = methyl or ethyl. USE/ADVANTAGE - The dyes give improved evenness.
申请公布号 DE4220388(A1) 申请公布日期 1993.12.23
申请号 DE19924220388 申请日期 1992.06.22
申请人 CHEMIE AG BITTERFELD-WOLFEN, 06749 BITTERFELD, DE 发明人 NOACK, HORST, DIPL.-CHEM., O-4500 DESSAU, DE;MUEHLBERG, REGINA, DIPL.-CHEM., O-4070 HALLE, DE;NOLL, BERND, DR., O-4440 WOLFEN, DE;WEINELT, HERBERT, DR., O-7027 LEIPZIG, DE;BROMANN, HEINZ-GEORG, DIPL.-CHEM., O-7060 LEIPZIG, DE
分类号 C09B29/09;C09B44/04;C09B44/18;C09B67/32;D06P1/41;D06P3/18;(IPC1-7):C09B44/18;A61K7/13 主分类号 C09B29/09
代理机构 代理人
主权项
地址