Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2007-10-16
2007-10-16
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S407000, C008S408000, C008S410000, C008S437000, C008S571000, C008S573000, C008S574000, C548S318100, C548S400000, C546S184000, C546S249000, C534S608000
Reexamination Certificate
active
11159237
ABSTRACT:
The present disclosure relates to cationic diazo compounds chosen from those of formula (I) and the acid addition salts thereof: Dye1-LK-Dye2 (I); and to dye compositions comprising the the compounds as direct dye, and also to a process for dyeing keratin fibers using this composition and a multi-compartment device.
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David Hervé
Greaves Andrew
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner LLP
L'Oreal S.A.
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