Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1989-11-16
1990-12-04
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8407, 8416, 8410, A61K 713
Patent
active
049750925
ABSTRACT:
A process for coloring and/or conditioning hair using modified primary intermediates and/or a modified coupler containing a hydrophobic group or a group containing a cationic site amenable to reaction with an anionic surfactant; novel modified primary intermediates and modified couplers also being disclosed as well as novel synthetic methods for making these compounds.
REFERENCES:
patent: 4008043 (1977-02-01), Kalopissis et al.
patent: 4725283 (1988-02-01), Cotteret et al.
Chan Alexander C.
Pan Yuh-Guo
Wolfram Leszek J.
Clairol Incorporated
Lieberman Paul
McNally John F.
Nolan S.
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