Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2008-05-20
2008-05-20
Elhilo, Eisa (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S429000, C008S431000, C008S688000, C008S689000, C008S690000, C008S691000, C548S100000
Reexamination Certificate
active
07374583
ABSTRACT:
The present invention relates to agents containing cationic azacyanine dyes having formula (I) for dyeing fibers, such as, for example, keratin fibers, wool, silk or fleeces, and in particular human hair, as well as to new asymmetrical azacyanine dyes.
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Javet Manuela
Müller Catherine
Elhilo Eisa
McKelvey Idris N.
The Procter & Gamble & Company
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