ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,225, issued on April 7, was assigned to KAO Corp. (Tokyo).
"Hair cleansing composition" was invented by Shusaku Torii (Koto-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hair cleansing composition including the following components (A) and (B): (A) an internal olefin sulfonic acid having 16 carbon atoms or a salt thereof, obtained by sulfonation of a raw material olefin having 16 carbon atoms and having an average double bond position of 3.9-position or more and 4.5-position or less, and (B) a cationic polymer. A mass ratio of a content of the component (A) to a content of the component (B), (A)/(B), is 1 or more and 500 or less."
The ...