Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2006-09-05
2006-09-05
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S407000, C008S437000, C008S451000, C008S463000, C008S570000, C008S572000, C008S573000, C008S574000, C548S318100, C548S321500, C548S400000, C546S184000, C546S249000
Reexamination Certificate
active
07101406
ABSTRACT:
The subject of the present application is a dyeing composition for dyeing keratinous fibers, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one cationic direct dye comprising at least one heterocyclic group.The subject of the invention is also the dyeing method using this composition and the corresponding devices.
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R.D. Lillie, Aldrich chemical catalogue, 1992.
Cotteret Jean
Lagrange Alain
"L'Oreal"
Elhilo Eisa
Fulbright & Jaworski L.L.P.
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