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US 2011/0296631 A1Published application
Polymeric hair dyes
AssigneeBASF SE
InventorsSophie Marquais-Bienewald, Christian Cremer, Olof Wallquist, Xian-Zin Zhou, Barbara Wagner
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Abstract
Polymeric dye comprising oligo and polypeptides selected from natural or synthetic aminoacids bearing at least one covalently bounded cationic dye. Very good dyeing results on human hair are obtained with these dyes.
Claims20
Polymeric dye comprising oligo and polypeptides selected from natural or synthetic aminoacids bearing at least one covalently bounded cationic dye.
Dependencies are inferred from the claim text.