Bleaching and dyeing; fluid treatment and chemical modification – Using enzymes – dye process – composition – or product of dyeing
Reexamination Certificate
2005-05-17
2005-05-17
Kopec, Mark (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Using enzymes, dye process, composition, or product of dyeing
C008S405000, C008S408000, C008S409000, C008S423000
Reexamination Certificate
active
06893470
ABSTRACT:
This invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least a heterocyclic oxidation colouring agent, and at least an enzyme such as laccase, as well as the dyeing method using said composition.
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Cotteret Jean
Lang Gerard
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner LLP
Kopec Mark
L'Oreal S.A.
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