Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2008-07-15
2008-07-15
Elhilo, Eisa B (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S407000, C008S437000, C008S451000, C008S463000, C008S466000, C008S570000, C008S571000, C008S572000, C008S573000, C008S574000, C548S318100, C548S321100, C548S400000, C546S184000
Reexamination Certificate
active
12000223
ABSTRACT:
The invention concerns the use as direct dyeing agent of at least one tetra-azapentamethine compound, a dyeing composition comprising at least such a compound, as well as a method for dyeing keratinous fibers, in particular human keratinous fibers and more particularly hair, which consists in applying at least one composition comprising such a compound. The composition also concerns tetra-azapentamethine compounds of formula (I). The invention further concerns a method for bleaching such compounds, as well as bleaching keratinous fibers previously dyed therewith.
REFERENCES:
patent: 6884266 (2005-04-01), Vidal et al.
patent: WO 02/078657 (2002-10-01), None
Belcour-Castro Beatrice
Burgaud Herve
David Hervé
Pereira Rui
"L'Oreal"
Elhilo Eisa B
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