Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2011-04-26
2011-04-26
Elhilo, Eisa B (Department: 1761)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S410000, C008S421000, C008S435000, C008S570000, C008S573000
Reexamination Certificate
active
07931697
ABSTRACT:
The present disclosure relates to a composition for dyeing keratin fibers, comprising, in a suitable medium, at least one first oxidation base chosen from 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and the addition salts thereof; and at least one second oxidation base chosen from 4,5-diamino-1-(β-hydroxyethyl)pyrazole and the addition salts thereof. The present disclosure also relates to a process for dyeing keratin fibers using the composition of the present disclosure, the use of this composition for dyeing keratin fibers, and also a method for making the composition of the present disclosure.
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Co-pending Application filed Nov. 6, 2009.
French Search Report for FR 0857541, dated Aug. 28, 2009.
French Search Report for FR 0857539, dated Aug. 27, 2009.
English language abstract of FR2 886 141 A1, Dec. 1, 2006.
Office Action mailed Jul. 20, 2010, in co-pending U.S. Appl. No. 12/613,911.
Deconinck Gautier
Desenne Patricia
Saunier Jean-Baptiste
Elhilo Eisa B
Finnegan Henderson Farabow Garrett & Dunner LLP
L'Oreal S.A.
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