US Patent Issued to HS Hyosung Advanced Materials on April 22 for "Polyester tire cord having excellent heat resistance, and tire comprising same" (South Korean Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,196, issued on April 22, was assigned to HS Hyosung Advanced Materials Corp. (Seoul, South Korea).

"Polyester tire cord having excellent heat resistance, and tire comprising same" was invented by Si-Hwan Joo (Sejong-si, South Korea), Cheol Kim (Seongnam-si, South Korea) and Jin-Kyeong Park (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polyester tire cord made of polyester yarn and having a 5% LASE of 1.2 g/d or more as measured according to ASTM D885 at 80deg C., a 5% LASE of 1.0 g/d or more as measured according to ASTM D885 at 120deg C., and a toughness retention rate of 65% or more at 80d...