KERATIN FIBRE DYE COMPOSITIONS, CONTAINING 3-AMINO PYRAZOLO-¬1,5-A- PYRIMIDINES, DYEING TECHNIQUE, NEW 3-AMINO PYRAZOLO-¬1,5-A-PYRIMIDINES AND THEIR METHOD OF PREPARATION

摘要

the invention is new compositions for the oxidation dyeing of fiberkeratin containing at least one 3-amino pyrazolo - [1,5-a] - pyrimidine derivatives, the processusing this dye composition, novel 3-amino pyrazolo - [1,5-a] - pyrimidineas well as their method of preparation.