ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,957, 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 detergent composition for fibers that contains components (a) and (b) described below and satisfies at least one requirement of the following: requirement (1) a proportion of a content of component (a) to a total content of components (a) and (b1) is 35 mass % or more and 80 mass % or less; and requirement (2) a proportion of the content of component (a) to a total conten...