ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,137, issued on Nov. 18, was assigned to KAO Corp. (Tokyo).
"Aerosol-type hair cleansing agent" was invented by Katsuyuki Yuki (Sumida-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol hair cleansing agent comprising a hair cleansing agent stock solution containing a surfactant (A) containing an anionic surfactant (A1) and two or more nonionic polymers (B) having weight average molecular weights different from each other, and a propellant (C) containing carbon dioxide. The component (B) contains a nonionic polymer (B1) having a weight average molecular weight of 1,000,000 or more and 5,000,000 or less and contains a nonionic polymer...