Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2006-06-27
2006-06-27
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S408000, C008S410000, C008S607000
Reexamination Certificate
active
07066967
ABSTRACT:
The present invention provides a hair coloring composition comprising(iv) at least one developer selected from amino aromatic systems capable of being oxidised and thereafter undergoing only a single electrophilic attack reaction, and(v) at least one developer selected from amino aromatic systems capable of being oxidised and thereafter undergoing at least two electrophilic attack reactions, and(vi) at least one coupler,which delivers improved root-to-tip evenness and improved hair color.
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Dunbar James Charles
James Delyth Angharad
Bolam Brian M.
Elhilo Eisa
Rosnell Tara M.
Sambrook Michael J.
The Procter & Gamble & Company
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