ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,514, issued on April 29, was assigned to KAO Corp. (Tokyo).
"Cosmetic composition" was invented by Kaori Hayashi (Shiroi, Japan), Masayuki Narita (Ichikawa, Japan), Naoya Kawakami (Chiba, Japan) and Tomokazu Iseki (Izumiotsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a cosmetic composition containing the following Components (A) and (B): Component (A): a hydrophobic polymer which has a glass transition temperature Tg of 30deg C. or higher, the polymer having a different kind of an electric charge to the following Component (B), or not having an electric charge; and Component (B): a hydrophilic ionic polymer...