GENEVA, July 14 -- KUNMING METALLURGICAL RESEARCH INSTITUTE CO., LTD. (No. 86 Yuantong North RoadKunming, Yunnan 650031), 昆明冶金研究院有限公司 (中国云南省昆明市圆通北路86号) filed a patent application (PCT/CN2024/135105) for "WASTE RESIDUE TREATMENT METHOD FOR RECOVERING PB AND ZN FROM RESIDUES OF ZINC HYDROMETALLURGY BY MEANS OF FULL WET PROCESS" on Nov 28, 2024. With publication no. WO/2025/145819, the details related to the patent application was published on Jul 10, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed...