US Patent Issued to HENKEL on Feb. 3 for "Product for dyeing keratinous material, containing aminosilicone, a chromophoric compound and organic carbonic acid ester" (German Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,267, issued on Feb. 3, was assigned to HENKEL AG & Co. KGAA (Duesseldorf, Germany).

"Product for dyeing keratinous material, containing aminosilicone, a chromophoric compound and organic carbonic acid ester" was invented by Constanze Kruck (Grevenbroich, Germany), Sandra Hilbig (Bochum, Germany), Melanie Moch (Dormagen, Germany) and Daniela Kessler-Becker (Leverkusen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An agent for dyeing keratinous material, in particular human hair, is disclosed. The agent is a colorant composition comprising at least one amino-functionalized silicone polymer, at least one color-imparting compound, and at least ...