GENEVA, Dec. 28 -- PETROCHINA COMPANY LIMITED (9 Dongzhimen North Street,Dongcheng District, Beijing 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/CN2024/137038) for "PASSIVATION METHOD FOR SULFURIZED HYDROGENATION CATALYST AND USE THEREOF" on Dec 05, 2024. With publication no. WO/2025/260629, the details related to the patent application was published on Dec 26, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Prop...