Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2005-06-21
2005-06-21
Einsmann, Margaret (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S415000, C008S463000, C008S465000, C008S552000, C008S571000, C008S572000, C008S573000, C008S587000, C008S691000, C008S692000, C548S207000, C548S125000
Reexamination Certificate
active
06908492
ABSTRACT:
The new 7-nitro-2,1,3-benzoxadiazole compounds and 7-nitro-2,1,3-benzthiadiazole compounds of formula (I) are:Dyeing agents for keratin fibers, containing the compounds of formula (I), and methods of dyeing hair with these dyeing agents are described.
REFERENCES:
patent: 2031907 (1970-06-01), None
Braun Hans-Juergen
Mueller Catherine
Oberson Sylviane
Umbricht Gisela
Einsmann Margaret
Elhilo Eisa
Striker Michael J.
Wella Aktiengesellschaft
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