Compositions for dyeing keratinous fibres, containing 3-aminopyrazolo [1,5-a]pyrimidines, method of dyeing and novel 3-aminopyrazolo [1,5-a]pyrimidines
Compositions for dyeing keratinous fibres, containing 3-aminopyrazolo[1,5-a]pyrimidines, method of dyeing, and novel 3-aminopyrazolo[1,5-a]pyrimidines
申请人:L'Oreal S.A.
公开号:US20010020310A1
公开(公告)日:2001-09-13
The invention relates to novel compositions for the oxidation dyeing of keratinous fibres, comprising at least one 3-aminopyrazolo[1,5-a]-pyrimidine, to the method of dyeing which employs this composition, to novel 3-aminopyrazolo[1,5-a]pyrimidines and to the process for their preparation.
Compositions for dyeing keratinous fibres, containing 3-aminopyrazolo [1,5-a]pyrimidines, method of dyeing and novel 3-aminopyrazolo [1,5-a]pyrimidines
申请人:L'Oreal S.A.
公开号:US06248137B1
公开(公告)日:2001-06-19
The invention relates to novel compositions for the oxidation dyeing of keratinous fibers, comprising at least one 3-aminopyrazolo[1,5-a]-pyrimidine, to the method of dyeing which employs this composition, to novel 3-aminopyrazolo[1,5-a]pyrimidines and to the process for their preparation.