3-Aminophenol derivatives substituted in the 2-position, and dyes containing these compounds
申请人:——
公开号:US20040147515A1
公开(公告)日:2004-07-29
The object of the present patent application are 3-aminophenol derivatives of formula (I) or the physiologically compatible, water-soluble salts thereof
1
wherein R1 stands for a group of formula (II) or a group of formula (III)
2
and colorants, based on a developer-coupler combination containing these compounds.
3-Aminophenol derivatives and dyes that contain these compounds while serving to dye keratin fibers
申请人:——
公开号:US20040231064A1
公开(公告)日:2004-11-25
The object of the present patent application are 3-aminophenol derivatives of formula (I) or the physiologically compatible, water-soluble salts thereof
1
and colorants based on a developer-coupler combination containing these compounds.