Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2006-08-22
2006-08-22
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S407000, C008S410000, C008S411000, C008S423000, C008S426000, C008S437000, C008S562000, C008S565000, C008S566000, C008S568000, C008S570000, C008S571000, C008S672000, C008S572000, C008S574000, C008S575000, C008S576000, C008S579000, C549S200000, C546S146000, C552S100000, C540S122000
Reexamination Certificate
active
07094262
ABSTRACT:
A dye composition for dyeing human keratin fibres, such as hair, comprising at least one dissymmetrical polycationic direct dye of formula (I) below:in-line-formulae description="In-line Formulae" end="lead"?Col1-Z-Col2 (I)in-line-formulae description="In-line Formulae" end="tail"?wherein:Col1and Col2, which differ in structure, are chosen from tazo dyes, methine dyes, azomethine dyes, phenothiazine dyes, triarylmethane dyes, xanthene dyes, phenanthridine dyes and phthalocyanin dyes andZ is chosen from linear and branched, saturated, unsaturated and cyclic C1–C20hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least one cationic charge; and also to processes for dyeing human keratin fibres using the composition, to the use of the at least one dissymmetrical polycationic direct dye of formula (I) as direct dyes, and to multi-compartment devices.
REFERENCES:
patent: 3755287 (1973-08-01), Hegar et al.
patent: 4557732 (1985-12-01), Hahnke et al.
patent: 6468316 (2002-10-01), Genet et al.
patent: 6554872 (2003-04-01), Genet et al.
patent: 198 02 940 (1999-08-01), None
patent: 199 30 927 (2001-01-01), None
patent: 1 576 552 (1969-08-01), None
patent: 2 788 220 (2000-07-01), None
English language Derwent Abstract of DE 198 02 940, Aug. 5, 1999.
English language Derwent Abstract of DE 199 30 927, Jan. 11, 2001.
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner LLP
L'Oreal S.A.
LandOfFree
Dye composition comprising at least one particular... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dye composition comprising at least one particular..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dye composition comprising at least one particular... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3643922