ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,431, issued on Oct. 14, was assigned to Shiseido Co. Ltd. (Tokyo).
"Cosmetic comprising ultraviolet wavelength conversion substance" was invented by Ryoya Ito (Tokyo), Kouichi Nagai (Tokyo), Renaud Gillet (Tokyo), Shiho Iwami (Tokyo), Kazuyuki Miyazawa (Tokyo), Tetsuya Kanemaru (Tokyo) and Bianca McCarthy (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a novel composition containing a UV wavelength conversion substance, a dispersant, a UV absorber and/or a UV scattering agent, and an oil content, wherein the blending amount of the dispersant is 1% by weight or more."
The patent was filed on April 3, 2020, under Application N...