Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1989-09-06
1992-05-19
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8406, 8408, 8411, 8416, 564305, 564443, A61K 713, C07C21151, C07C21155
Patent
active
051144298
ABSTRACT:
The invention relates to the new compounds consisting of N,N'-bis(.beta.-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diamino-2-propa nol and N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl)ethylenediamine, and their use in keratinous fiber dyeing compositions and processes.
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Genet Alain
Junino Alex
Lang Gerard
"L'Oreal"
Clingman A. Lionel
Skaling Linda D.
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