ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,429, issued on Oct. 14, was assigned to Shiseido Co. Ltd. (Tokyo).
"Water-in-oil emulsion cosmetic preparation for skin" was invented by Kei Ujimoto (Tokyo), Takumi Kurashima (Tokyo), Momoka Kojiri (Tokyo), Keita Nishida (Tokyo) and Toshihiko Matsukura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An objective of the invention is to provide a water-in-oil emulsion skin cosmetic having the property wherein contact with moisture, such as water or perspiration, increases the ultraviolet protection effects over those immediately after application, and also having an excellent feeling in use. The present invention relates to a water-in-oil emulsi...