Ortho-and/or meta-substituted N-alkylhydroxylated secondary...

Details Ortho-and/or meta-substituted N-alkylhydroxylated secondary... Ortho-and/or meta-substituted N-alkylhydroxylated secondary...

2005-02-28

2008-11-04

Elhilo, Eisa B (Department: 1796)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S406000, C008S407000, C008S408000, C008S410000, C008S411000, C008S415000, C008S416000, C008S421000, C564S388000, C564S389000

Reexamination Certificate

active

07445645

ABSTRACT:
The present disclosure relates to novel N-alkylhydroxylated secondary para-phenylenediamine compounds, to a composition for dyeing keratin fibers, for instance human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one ortho- and/or meta-substituted N-alkylhydroxylated secondary para-phenylenediamine, to a process for dyeing keratin fibers comprising applying this composition, and also a dyeing “kit.”

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