ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,244, issued on March 24, was assigned to KAO Corp. (Tokyo).
"Manufacturing method for colored nonwoven fabric" was invented by Teruyuki Fukuda (Wakayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing a colored nonwoven fabric that contains a colorant and nanofibers, which includes the step of injecting a polymer compound A by an electrospinning method to deposit the nanofibers on a surface of a collector, in which the surface of the collector on which the nanofibers are deposited is at least partially formed into an uneven shape."
The patent was filed on Dec. 22, 2020, under Application No. 17/787,844.
*For further ...