GENEVA, May 9 -- BAOSHAN IRON & STEEL CO., LTD. (885 Fujin RoadBaoshan District, Shanghai 201900), 宝山钢铁股份有限公司 (中国上海市宝山区富锦路885号) filed a patent application (PCT/CN2025/130239) for "HIGH-STRENGTH AND TOUGH OIL TUBING RESISTANT TO CO2 AND H2S CORROSION AND MANUFACTURING METHOD THEREFOR" on Oct 27, 2025. With publication no. WO/2026/092384, the details related to the patent application was published on May 07, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO)....