Document Type and Number:
Japanese Patent JPH0244447
Kind Code:
B2
Abstract:
The use in dyeing human keratin fibres, especially human hair, of 2-hydroxy-1,4-naphthoquinones of the formula: in which R1 denotes a hydrogen or halogen atom, or a hydroxy, alkoxy, nitro, alkyl or acyl group, and R2, R3, R4 and R5 independently of one another denote hydrogen or a hydroxyl, alkoxy, alkyl or acyl group, such that at least one of the substituents R1 to R5 is other than hydrogen, and if R1, R3 and R4 denote hydrogen, R2 and R5 cannot simultaneously denote hydroxyl is described.
Inventors:
JERAARU RANGU
SERUJU FUORUSUTEIEERU
MISHERU OKUOO
JORUJU ROOZENBAUMU
JANNFURANSOWA GURORIEERU
SERUJU FUORUSUTEIEERU
MISHERU OKUOO
JORUJU ROOZENBAUMU
JANNFURANSOWA GURORIEERU
Application Number:
JP21121382A
Publication Date:
October 04, 1990
Filing Date:
December 01, 1982
Export Citation:
Assignee:
OREAL
International Classes:
A61K8/00; A61K8/35; A61K8/40; A61Q5/02; A61Q5/10; C09B13/02; C07C50/12; A01K; A61K; C07C; C09B
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