Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2005-07-12
2005-07-12
Einsmann, Margaret (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S408000, C008S409000, C008S410000, C008S421000, C008S568000, C008S570000, C008S571000, C008S572000, C008S573000, C008S574000, C008S575000, C008S576000, C548S400000, C546S184000, C546S249000, C544S224000, C540S484000, C540S553000
Reexamination Certificate
active
06916345
ABSTRACT:
Dye compositions for dyeing keratin fibers, comprising at least one oxidation base and at least one coupler chosen from 6-alkoxy-2,3-diaminopyridine derivatives of formula (I) as defined herein and the addition salts thereof; the use of the compositions for dyeing keratin fibers; and the dyeing processes using the compositions; as well as at least one entity chosen from novel 6-alkoxy-2,3-diaminopyridine compounds and their addition salts thereof that are useful as couplers.
REFERENCES:
patent: 4784667 (1988-11-01), Maak et al.
patent: 19936442 (2001-02-01), None
patent: WO 00/43392 (2000-07-01), None
English abstract of the Patent No. DE 19936442 A1.
STIC Search Report dated Feb. 10, 2005.
Hervé Prunier et al., “Novel and Selective Partial Agonists of 5-HT3Receptors. 2. Synthesis and Biological Evaluation of Piperazinopyridopyrrolopyrazines, Piperazinopyrroloquinoxalines, and Piperazinopyridopyrroloquinoxalines,” Journal of Medicinal Chemistry, vol. 40, No. 12, 1997, pp. 1808-1819.
Fadli Aziz
Vidal Laurent
Einsmann Margaret
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
L'Oreal S.A.
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