Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1996-06-19
1998-06-23
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8407, 8408, 8423, 8628, A61K 713
Patent
active
057699020
ABSTRACT:
Compositions for dyeing keratinous fibers comprising at least one an ortho-diaminopyrazole or an acid addition salt thereof and a manganese salt as well as a dyeing process using these compositions, without any oxidizing agent other than atmospheric oxygen.
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patent: 5199954 (1993-04-01), Schultz et al.
patent: 5368610 (1994-11-01), Chan et al.
patent: 5534267 (1996-07-01), Neunhoeffer et al.
"L'Oreal"
Dusheck Caroline L.
Lieberman Paul
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