2-hydroxy-5-amino-biphenyl-derivatives and oxidative hair colouring agents containing said compounds
申请人:——
公开号:US20020166180A1
公开(公告)日:2002-11-14
The invention relates to an oxidative coloring agent for keratin fibers, in particular hair based on a developing agent-coupling agent combination, which contains as a developing agent at least one 2-hydroxy-5-amino-biphenyl derivative of general formula (I) in addition to novel 2-hydroxy-5-amino-biphenyl derivatives.
Novel p-aminophenols and colorants containing said compounds
申请人:——
公开号:US20030110577A1
公开(公告)日:2003-06-19
The object of the invention are p-aminophenol derivatives of general formula (I) or physiologically tolerated, water-soluble salts thereof
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and oxidative coloring preparations based on a developer-coupler combination containing at least one p-aminophenol derivative of formula (I).