Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2008-04-14
2009-08-04
Elhilo, Eisa B (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S408000, C008S410000, C008S435000, C008S568000, C008S570000, C008S574000, C546S249000, C548S300100, C548S400000
Reexamination Certificate
active
07569079
ABSTRACT:
The present disclosure relates to polycationic monochromophoric hydrazone compounds of following formula (I):wherein W1is a heteroaromatic radical comprising 5 or 6 ring members, optionally condensed with an aromatic ring comprising 6 ring members, comprising a quaternized nitrogen atom and optionally another heteroatom which may or may not be identical to nitrogen; X, which may or may not be identical, is a nitrogen atom or a CR2group; Z is a cationic group comprising at least one quaternized nitrogen atom. 1The present disclosure also relates to a composition for dyeing human keratin fibers comprising the polycationic compounds disclosed herein, and to a dyeing process using the composition of the present disclosure, and ever further to multicompartment device.
REFERENCES:
patent: 6648924 (2003-11-01), Miyabe et al.
patent: 7288121 (2007-10-01), Greaves et al.
patent: 7410506 (2008-08-01), David et al.
patent: 2003/0208856 (2003-11-01), Miyabe et al.
patent: 2006/0096043 (2006-05-01), David et al.
patent: 2007/0125261 (2007-06-01), Daubresse et al.
patent: 1 647 548 (2006-04-01), None
patent: 1 757 660 (2007-02-01), None
patent: WO 2007/122340 (2007-11-01), None
STIC Search Report dated Sep. 10, 2008.
English Language Derwent Abstract of non-English language document WO 2007/122340. (2007).
French Search Report for French Application No. 0754454 (French priority application for the present application) dated Dec. 4, 2007, Examiner A. Gregoire.
David Hervé
Murguet Nadège
Elhilo Eisa B
Finnegan Henderson Farabow Garrett & Dunner LLP
L'Oreal S.A.
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