US Patent Issued to LAIWU STEEL YINSHAN SECTION, SHANDONG IRON AND STEEL on April 21 for "Ultra-high phosphorus molten iron low-cost smelting method for polar steel" (Chinese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,877, issued on April 21, was assigned to LAIWU STEEL YINSHAN SECTION Co. LTD. (Ji'nan City, China) and SHANDONG IRON AND STEEL Co. LTD. (Jinan, China).

"Ultra-high phosphorus molten iron low-cost smelting method for polar steel" was invented by Zhongxue Wang (Ji'nan City, China), Heng Ma (Ji'nan City, China), Kang He (Ji'nan City, China), Tengfei Wang (Ji'nan City, China), Pei Zhang (Ji'nan City, China), Zhengxu Sun (Ji'nan City, China), Qingpu Zhang (Ji'nan City, China), Yuexiang Wang (Ji'nan City, China), Xiaoxin Huo (Ji'nan City, China) and Yan Li (Ji'nan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultra-high phosphorus molten ...