Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2007-11-27
2007-11-27
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S437000, C008S552000, C008S554000, C008S570000, C008S571000, C008S573000, C008S575000, C008S638000, C008S644000, C008S654000, C008S677000
Reexamination Certificate
active
11590853
ABSTRACT:
The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising: —nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.
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Cotteret Jean
Lang Gerard
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner LLP
L'Oreal S.A.
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