GENEVA, Sept. 1 -- NANJING IRON & STEEL CO., LTD. (Xie Jia Dian Liuhe DistrictNanjing, Jiangsu 210035), 南京钢铁股份有限公司 (中国江苏省南京市六合区卸甲甸) filed a patent application (PCT/CN2024/100961) for "S420-GRADE MARINE STEEL AND PRODUCTION METHOD THEREFOR" on Jun 24, 2024. With publication no. WO/2025/175672, the details related to the patent application was published on Aug 28, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): WU, Junping (Xie ...