Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2007-09-28
2008-09-30
Elhilo, Eisa B (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S407000, C008S408000, C008S410000, C008S412000, C008S416000, C008S424000, C008S568000, C008S573000, C008S575000, C544S224000, C548S146000, C546S249000
Reexamination Certificate
active
07429278
ABSTRACT:
The present disclosure is directed to a family of N-alkylheteroaryl secondary para-phenylenediamines, to their preparation, and to a cosmetic composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one N-alkylheteroaryl secondary para-phenylenediamine. Further disclosed herein is a process of dyeing keratin fibers, a ready-to-use composition, and a kit comprising at least two compartments.
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Metais Eric
Sabelle Stéphane
"L'Oreal"
Elhilo Eisa B
Finnegan Henderson Farabow Garrett & Dunner LLP
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