Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2007-04-17
2007-04-17
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S409000, C008S423000, C008S567000, C008S565000, C008S568000, C008S569000, C008S571000, C008S572000, C008S573000, C008S574000, C008S575000, C008S577000, C008S578000, C008S602000, C008S607000, C008S608000, C548S300100, C560S231000, C568S420000, C549S001000, C546S249000
Reexamination Certificate
active
09622665
ABSTRACT:
The present invention relates to the use, for dyeing keratin fibres, of at least one specific compound containing active methylene and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, which makes it possible to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibres.
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Jerry March, “Advanced Organic Chemistry, Reactions, Mechanisms, and Structure”, Fourth Edition, pp. 279, 741, and 795.
English language Derwent Abstract of EP 0 847 749, Jun. 17, 1998.
English language Derwent Abstract of EP 0 873 745, Oct. 28, 1998.
Andrean Herve
Lagrange Alain
Elhilo Eisa
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
L'Oreal S.A.
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