ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,471, issued on Feb. 11, was assigned to JO Cosmetics Co. Ltd. (Tokyo).
"Aqueous liquid cosmetic" was invented by Shogo Kato (Tokyo) and Kazumi Kondo (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous liquid cosmetic containing 1 to 20% by mass of (A) a flake aluminum powder coated with a layer containing a silicon compound; 0.5 to 10% by mass of (B) a polycarboxylic acid-based dispersant having a mass-average molecular weight of 10,000 or less; and 1 to 40% by mass of (C) a film-forming polymer emulsion in terms of a solid content is provide. Normally, the aqueous liquid cosmetic contains at least 40% by mass of water, and further may ...