Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2007-07-03
2007-07-03
Elhilo, Eisa (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, C008S602000, C546S249000, C546S250000
Reexamination Certificate
active
10678649
ABSTRACT:
The invention relates to a dye composition that is useful for dyeing keratin fibers, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a disubstituted amino radical, to the use of this composition for dyeing keratin fibers and to the dyeing process using this composition.The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.
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English Abstract of the Patent DE 199 36 442 A1.
Database Chemlist en ligne! 154036, XP002243965.
English language Derwent Abstract of DE 41 15 148 A1, Nov. 12, 1992.
English language Derwent Abstract of DE 199 36 442 A1, Feb. 8, 2001.
English language Derwent Abstract of FR 2 779 952, Dec. 24, 1999.
Fadli Aziz
Vidal Laurent
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner
L'Oreal S.A.
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