ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,956, issued on Oct. 14, was assigned to KAO Corp. (Tokyo).
"Detergent composition for fibers" was invented by Ayako Kita (Wakayama, Japan), Yoshinori Otani (Wakayama, Japan) and Hiroki Takumi (Wakayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a friction reducing agent for fibers containing the following components (a) and (b), and further, a detergent composition for fibers containing the following components (a) and (b), wherein a proportion of a content of component (b) to a total content of components (a) and (b) is 20 mass % or more and less than 100 mass %, component (a): an internal olefin sulfonate with 1...