ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,143, issued on April 29, was assigned to Daio Paper Corp. (Shikokuchuo, Japan).
"Wiping sheet and method for producing wiping sheet" was invented by Shoko Yamashita (Shikokuchuo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wiping sheet having a plurality of nonwoven fabrics that are stacked and bonded together includes cellulose nanofiber that is included in an applied part where adjacent nonwoven fabrics among the nonwoven fabrics are bonded. At least one of the adjacent nonwoven fabrics is a spunlace nonwoven fabric."
The patent was filed on Aug. 20, 2020, under Application No. 17/632,984.
*For further information, including images, ch...