ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,712, issued on March 17, was assigned to KAO Corp. (Tokyo).
"Colored non-woven fabric" was invented by Teruyuki Fukuda (Wakayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A colored nonwoven fabric that contains a colorant and nanofibers, in which the colored nonwoven fabric has an uneven shape on at least part of a surface thereof, and an L*1 value of convex portions of the uneven shape is higher than an L*2 value of concave portions of the uneven shape; a colored nonwoven fabric set; and a process for producing the colored nonwoven fabric."
The patent was filed on Dec. 22, 2020, under Application No. 17/787,894.
*For further informat...