Company News, Patents

Henkel Patents Coated Coloring Agents

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By: TOM BRANNA

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US Patent No. 8,110,010 B2; Henkel AG & Co. KGaA, Duesseldorf, has patented an agent for coloring keratinic fibers. It is comprised of at least one particulate component having a particle core containing at least one oxidation dye precursor product and a casing surrounding the core. The casing comprises at least one encapsulation material chosen from homo- and/or copolymers of methacrylic acid and/or of methacrylic acid esters (methacrylates), and/or homo- and/or copolymers of vinyl acetate...

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