Happi Staff06.29.20
US Patent No. 10,667,999 (Camille Grosjacques, Yvonne Lissner, Susanne Bietz, Katharina Krause, Daniel Eisebitt); Henkel AG & Co. KGaA, Duesseldorf, has patented agent for dyeing keratinic fibers. It comprises, in a cosmetic carrier, at least one direct-acting dye, cocamidopropyl betaine and lauryl glucoside.