A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/41 (2006.01) A61K 8/49 (2006.01) A61K 8/58 (2006.01) A61Q 5/10 (2006.01)
Patent
CA 2645234
Compositions for dyeing keratin fibers comprise (a) at least one keratin dyeing compound selected from aromatic systems which comprise at least one boronic acid or boronic ester moiety and which are capable of forming upon oxidation a nucleophile or an electrophile, (b) at least one additional keratin dyeing compound selected from the group consisting of auxiliary developers and auxiliary couplers, and (c) a cosmetically suitable medium. Methods for oxidatively dyeing keratin fibers comprise the steps of applying such compositions in the presence of an oxidizing agent and rinsing the hair. A hair coloring product in kit form comprises a first separately packaged container comprising a composition as described above and a second separately packaged container comprising an oxidizing agent.
L'invention concerne des compositions destinées à la coloration de fibres kératiniques, comprenant (a) au moins un composé colorant la kératine choisi parmi des systèmes aromatiques comprenant au moins une fonction acide boronique ou ester boronique et étant capables de former par oxydation un nucléophile ou un électrophile, (b) au moins un composé colorant la kératine supplémentaire choisi dans le groupe comprenant les révélateurs auxiliaires et les copulants auxiliaires et (c) un milieu cosmétiquement acceptable. L'invention concerne également des procédés de coloration par oxydation de fibres kératiniques comprenant les étapes consistant à appliquer de telles compositions en présence d'un agent oxydant et à rincer les cheveux. L'invention concerne également un produit de coloration capillaire sous forme de kit comprenant un premier contenant emballé séparément comprenant une composition telle que décrite ci-dessus et un second contenant emballé séparément comprenant un agent oxydant.
Lim Mu-Ill
Murphy Bryan Patrick
Popp Margaret
Zhang Guiru
Mbm Intellectual Property Law Llp
The Procter & Gamble Company
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