US Patent Issued to HS HYOSUNG ADVANCED MATERIALS on Nov. 18 for "Tufted carpet including polyethyleneterephthalate bulked continuous filament" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,396, issued on Nov. 18, was assigned to HS HYOSUNG ADVANCED MATERIALS Corp. (Seoul, South Korea).

"Tufted carpet including polyethyleneterephthalate bulked continuous filament" was invented by Seung Taek Oh (Seoul, South Korea) and Moo Song Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyethylene terephthalate bulked continuous filament is manufactured by steps of melt-spinning, multi-step stretching a polyethylene terephthalate chip and a master batch chip for coloring, passing through a texturing nozzle, cooling, and winding and has an elastic modulus of 1.00E+07 to 5.00E+09Pa at a temperature range of 10deg C. to 200d...