A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/49 (2006.01) A61Q 5/10 (2006.01)
Patent
CA 2577136
Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one bicyclic 5-6 systems of aza heteroaromatic keratin dyeing compounds wherein the 5-membered rings have one to three nitrogen atoms and an N-hydroxy or N-amino group and derivatives thereof. A method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.
La présente invention concerne des compositions de colorant oxydatifs des fibres de kératine, comprenant un milieu adapté pour colorer et au moins un système 5-6 bicyclique de composés colorant de kératine hétéroaromatiques aza dans lequel les cycles à 5 branches possèdent un à trois atomes d'azote et un groupe N-hydroxy ou N amino et des dérivés de ceux-ci. Cette invention concerne aussi une technique de coloration oxydative des fibres de kératine qui consiste à appliquer ces compositions en présence d'un agent oxydant pendant une durée suffisante pour former la coloration recherchée.
Glenn Robert Wayne Jr.
Lim Muill
Murphy Bryan Patrick
Mbm Intellectual Property Law Llp
The Procter & Gamble Company
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