Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2006-08-23
2008-08-05
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, C008S423000, C008S435000, C008S688000, C008S689000, C008S690000, C008S691000, C008S692000, C534S575000
Reexamination Certificate
active
07407517
ABSTRACT:
The present disclosure relates to the use of cationic azo compounds with julolidine units as direct dyes, for the dyeing of keratin fibers, including human keratin fibers, such as the hair. The present disclosure also relates to a dyeing composition for the dyeing of keratin fibers, including human keratin fibers such as the hair, containing at least one cationic direct azo dye with julolidine units, in a suitable dyeing medium. The present disclosure also relates to a method of dyeing of keratin fibers, including human keratin fibers such as the hair, employing the dyeing composition according to the disclosure. The present disclosure also relates to cationic azo compounds with julolidine units.
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Daubresse Nicolas
Greaves Andrew
Elhilo Eisa B
Finnegan Henderson Farabow Garrett & Dunner LLP
L'Oreal S.A.
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