US Patent Issued to HANKOOK TIRE & TECHNOLOGY on June 17 for "Rubber composition for sustainable tire having lignin compounds" (South Korean Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,191, issued on June 17, was assigned to HANKOOK TIRE & TECHNOLOGY Co. LTD. (Seongnam-si, South Korea).

"Rubber composition for sustainable tire having lignin compounds" was invented by Da Mi Jeong (Daejeon, South Korea), Jeong Heon Kim (Dajeon, South Korea) and Hak Joo Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a rubber composition for a tire, which includes 100 parts by weight of raw material rubber, 1 to 20 parts by weight of a lignin-based antioxidant, and 0.1 to 3 parts by weight of a crosslinking agent."

The patent was filed on March 11, 2021, under Application No. 17/198,579.

*Fo...