Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2009-12-14
2010-12-28
Elhilo, Eisa B (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S424000, C008S435000, C008S594000, C008S629000, C132S202000, C132S208000
Reexamination Certificate
active
07857866
ABSTRACT:
The disclosure relates to methods for dyeing keratinous fibers by treatment of said fibers with i) at least entity chosen from ortho-diphenol and derivatives thereof, ii) at least one metal salt, iii) hydrogen peroxide or at least one system which generates hydrogen peroxide and iv) at least one (bi)carbonate, said method additionally involving an intermediate wiping and/or drying and/or non rinsing stage.
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Co-pending Application filed Dec. 14, 2009.
Elhilo Eisa B
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
L'Oreal S.A.
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