GENEVA, June 2 -- PETROCHINA COMPANY LIMITED (9 Dongzhimen North StreetDongcheng DistrictBeijing 100007), 中国石油天然气股份有限公司 (中国北京市东城区东直门北大街9号) filed a patent application (PCT/CN2024/127748) for "IRIDIUM-OXIDE-BASED CATALYST AND PREPARATION METHOD THEREFOR AND USE THEREOF, AND MEMBRANE ELECTRODE AND PREPARATION METHOD THEREFOR AND USE THEREOF" on Oct 28, 2024. With publication no. WO/2025/108003, the details related to the patent application was published on May 30, 2025.

Notably, the patent application was submitted under the International Patent Clas...