Patent ID: 6398822
Filing Date: 2002-06-04
Classification: A61K,A61Q,Y10S

Abstract:
Packaged hair colouring composition comprising a stable aqueous hair colouring composition comprising a compound of formula (I): wherein D is a chromophore;X and Y are independently selected from the group consisting of halogen and â€”SRâ€², provided that at least one of X and Y is â€”SRâ€², wherein Râ€² is selected from the group consisting of H, C1-C4 alkyl, (CH2)nCOOH, (CH2)nCONH2, (CH2)nSO3H, (CH2)nCOOM, (CH2)nPO3H, (CH2)nOH, (CH2)nSSO3âˆ’, (CH2)nNRâ€³2, (CH2)nN+Râ€³3, PhSSO3âˆ’, PhSO3H, PhPO3H, PhNRâ€³2, PhN+Râ€³3, â€”CN, SO3âˆ’, (CH2)2CH(SH)Râ€³(CH2)3COOH, â€”CH2CHOHCH2SH, and â€”CH2CH2NH2;n is an integer in the range of 1 to 4 wherein within the same molecule n is not necessarily the same integer; and M is a cation of alkaline earth metal, alkali metal, NH4+ or NRâ€³3+; L is a linking moiety; Z is pyrimidine or triazine; Râ€³ is C1-C4 alkyl; and a package for said hair colouring composition.