Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2007-04-03
2007-04-03
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S437000, C008S570000, C008S571000, C008S573000, C008S575000, C008S606000, C008S638000, C008S644000, C008S654000, C008S677000
Reexamination Certificate
active
11384520
ABSTRACT:
The invention relates to a composition for dyeing keratinous fibers, in particular human keratinous fibers such as hair, comprising, in an appropriate dyeing medium, at least one cationic direct dye of a given formula, and which is characterized in that it contains, in addition, at least one quaternary ammonium salt.The invention also relates to the dyeing methods and devices using it.
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Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
L'Oreal S.A.
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