发明授权
US4035422A 2,6-Dimethyl-4-substituted amino phenol couplers 失效
2,6-二甲基-4-取代的氨基酚成色剂

2,6-Dimethyl-4-substituted amino phenol couplers
摘要:
Oxidation dye coupling compound, for use in dyeing live human hair, having the formula: ##STR1## wherein R is lower alkyl having 1-6 carbon atoms, hydroxyalkyl having 1-6 carbon atoms, acetyl, propionyl, amino alkyl wherein the alkyl moiety has 1-6 carbon atoms, N-dialkylated amino alkyl wherein each of the alkyl moieties has 1-6 carbon atoms and carbamyl methyl.
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