Patent ID: 6962610
Filing Date: 2005-11-08
Classification: A61K,A61Q

Abstract:
1. A hair dye composition comprising a dissociative direct dye represented by the following formula (1): wherein, R in the dissociative direct dye (1) is a group represented by any one of the following formulas (Cp-4) through (Cp-11): in formulas and (Cp-4) through (Cp-11), * is a position bonding to the benzylidene group in formula (1), in formula (Cp-4), R in formula (Cp-5), R in formula (Cp-6), R in formula (Cp-7), R in formula (Cp-8), R in formula (Cp-9), R in formula (Cp-10), R in formula (Cp-11), R