公开(公告)号：EP0981319B1

公开(公告)日：2003-10-15

申请号：EP98914640.2

申请日：1998-04-09

申请人： P&G-Clairol, Inc.

发明人： WENKE, Gottfried ,  PROTA, Giuseppe

IPC分类号： A61K7/13

CPC分类号： A61Q5/10 ,  A61K8/492

摘要： The present invention concerns improved processes for dyeing keratinous fibers especially hair on the human scalp using a two-step oxidation process for the oxidation of the melanin precursors 5,6-dihydroxyindoline (DHIN), 5,6-dihydroxyindole (DHI), and derivatives thereof such as 5,6-dihydroxyindole-2-carboxylic acid (DHICA).

公开(公告)号：EP1333792A1

公开(公告)日：2003-08-13

申请号：EP01995876.8

申请日：2001-11-16

申请人： P & G-Clairol, Inc.

发明人： LIM, Mu-III ,  PAN, Yuh-Guo ,  ANDERSON, James, S.

IPC分类号： A61K7/13

CPC分类号： A61Q5/10 ,  A61K8/42 ,  C07C275/40 ,  C07C2601/14

摘要： Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): wherein X is selected from halogen and R5SO4, R, R?1, R2 and R5¿ are each individually selected from C¿1? to C22 alkyl and C1 to C22 mono or dihydroxyalkyl and R?3 and R4¿ are each individually selected fro C¿1? to C6 alkyl groups, C1 to C6 hzdroxyalkyl, C1 to C6 alkoxy, C1 to C6 aminoalkyl or R?3 and R4¿ together from a C¿1? to C5 alklene group.

摘要翻译： 用于头发氧化染色的染发组合物的成色剂是式（1）的化合物：其中X选自卤素和R 5 SO 4，R 1，R 2和R 5各自独立地选自C 1〜 至C22烷基和C1至C22单或二羟基烷基，并且R 3和R 4各自独立地选自C 1〜 C6烷基，C1-C6羟基烷基，C1-C6烷氧基，C1-C6氨基烷基或R3和R4一起代表C1- 到C5亚烷基。