ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,970, issued on Aug. 12, was assigned to KAO Corp. (Tokyo).

"Surfactant composition" was invented by Atsushi Miyazaki (Wakayama, Japan) and Haruna Ichihashi (Wakayama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a surfactant composition capable of making a liquid oil highly remain on the solid surface, which is a surfactant composition containing an anionic surfactant (A), a cationic surfactant (B), a liquid oil (C), and water, wherein the water constitutes a continuous phase; the following molar ratio RA is 0.25 or more and 0.60 or less; and the following molar ratio Rb is 0.6 or more: RA: a molar ratio {(A)...