ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,909, issued on Oct. 6, was assigned to Shiseido Co. Ltd. (Tokyo).

"Cosmetic preparation" was invented by Anna Okishima (Tokyo), Mika Yoshimura (Tokyo), Takashi Oka (Tokyo) and Hiroko Shimizu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a cosmetic whose moisture-retaining property can be sufficiently secured even in cases where the cosmetic uses a hyaluronic acid compacted by neutralization of carboxyl groups of hyaluronic acid using a salt.A cosmetic of the present disclosure comprises a first agent containing at least one salt selected from the group consisting of an inorganic salt and an organic acid salt, and hyaluronic acid; a...