ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,733, issued on March 25, was assigned to L'OREAL (Paris).
"Antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an acid or silver-based compound, and cosmetic composition containing same" was invented by Sylvie Cupferman (Chevilly Larue, France), Florence Menard-Szczebara (Chevilly Larue, France) and Julien Galvan (Chevilly Larue, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an acid and/or silver-based compound, and also to a cosmetic, pharmaceutical or nutritional composition containing such a mixture.Applicatio...