INTERNATIONAL PATENT: ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO.LTD OF CHINALCO, 中铝郑州有色金属研究院有限公司 FILES APPLICATION FOR "Α-ALUMINUM OXIDE POWDER AND PREPARATION METHOD THEREFOR"

GENEVA, May 18 -- ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO.LTD OF CHINALCO (No. 82 Jiyuan Road, Shangjie DistrictZhengzhou, Henan 450041), 中铝郑州有色金属研究院有限公司 (中国河南省郑州市上街区济源路82号) filed a patent application (PCT/CN2025/133885) for "Alpha-ALUMINUM OXIDE POWDER AND PREPARATION METHOD THEREFOR" on Nov 10, 2025. With publication no. WO/2026/098685, the details related to the patent application was published on May 15, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, whic...