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US 12,622,856 B2Granted
Agent for oxidative dyeing of keratin fibers, containing isatin and at least one defined polymer
AssigneeHenkel AG & Co. KGaA
InventorsThomas Hippe, Astrid Kleen, Hartmut Manneck, Stefan Hoepfner, Tugce Cansev
Life of this patent
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Abstract
An agent for oxidatively dyeing keratin fibers, in particular human hair, containing, in a cosmetic carrier, isatin and at least one polymer from the group consisting of xanthan gum, algin, carrageenan, cetyl hydroxyethyl cellulose, carboxymethyl cellulose, tragacanth, gum karaya, gum ghatti, agar, chitin, chitosan, gum arabic, gellan gum, guar gum, tamarind seed flour, carob gum, and the physiologically acceptable salts thereof.
Claims18
An agent for oxidatively dyeing keratinous fibers, the agent comprising, in a cosmetic carrier:
- isatin;
- at least one polymer selected from the group consisting of xanthan gum, algin, carrageenan, cetyl hydroxyethyl cellulose, carboxymethyl cellulose, tragacanth, gum karaya, gum ghatti, agar, chitin, chitosan, gum arabic, gellan, guar, tamarind seed flour, carob gum, and physiologically tolerated salts thereof;
- and
- at least one oxidation dye precursor of coupler type selected from the group consisting of 3-amino-2-chloro-6-methylphenol and 1-methoxy-2-amino-4-(2-hydroxyethylamino)benzene,
- wherein the agent is free of resorcinols.
2 more elements
Dependencies are inferred from the claim text.