ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,476, issued on Aug. 12, was assigned to Shiseido Co. Ltd. (Tokyo).
"W/O/W emulsion composition" was invented by Haruhiko Inoue (Tokyo) and Masaki Kitajima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A W/O/W emulsion composition comprising a large amount of silicone oil and having a high viscosity and a high stability is provided.The W/O/W emulsion composition comprises: an inner aqueous phase; an oil phase in which the inner aqueous phase is dispersed; and an outer aqueous phase in which the oil phase is dispersed,wherein the inner aqueous phase comprises an osmotic pressure regulator that prepares the inner aqueous phase to have a higher ...