ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,466, issued on June 3, was assigned to AJINOMOTO Co. INC. (Tokyo).
"Hair cleanser" was invented by Richard J. Bruen Jr. (Itasca, Ill.) and Naoaki Ikeda (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Hair cleansing agents containing the following components (A) to (E) and water: (A) not less than 3 wt % and not more than 12 wt % of one or more kinds selected from the group consisting of acyl isethionate and Alpha-olefin sulfonate (B) not less than 0.5 wt % and not more than 10 wt % of acyl acidic amino acid or a salt thereof, (C) not less than 0.005 wt % and not more than 0.8 wt % of a cationic polymer, (D) not less than 0.25 wt % and...