ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,909, issued on July 21, was assigned to POSCO Co. LTD (Pohang-si, South Korea).
"Surface modifying method for galvanized steel sheet" was invented by Yon-Kyun Song (Incheon, South Korea), Yun-Ha Yoo (Incheon, South Korea), Joong-Chul Park (Incheon, South Korea), Hyun-Ju Jeong (Incheon, South Korea) and Jae-Dong Cho (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A galvanized steel sheet according to one aspect of the present invention comprises: a base steel sheet; and a Zn-Al-Mg-based plating layer provided on at least one surface of the base steel sheet, wherein the Zn-Al-Mg-based plating layer may include a surface modified r...