ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,815, issued on March 18, was assigned to DUPONT SAFETY & CONSTRUCTION INC. (Wilmington, Del.).
"Cut resistant ply-twisted yarns and fabrics made thereof" was invented by Yingxiang Hu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a multi-ply twisted yarn for a cut-resistant fabric, and the multi-ply twisted yarn comprises (i) at least a first single yarn having a skin-core structure, wherein the skin comprises aromatic polyamide staple fibers and the core comprises tungsten filaments, and (ii) at least a second single yarn having a skin-core structure, wherein the skin comprises cut-resistant staple fibers, ...