GENEVA, July 18 -- PETROCHINA COMPANY LIMITED (9 Dongzhimen North StreetDongcheng 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/CN2024/136283) for "ANTI-CORROSION AND THERMAL INSULATION COATING FOR OIL PIPE AND PREPARATION PROCESS THEREFOR" on Dec 03, 2024. With publication no. WO/2025/148565, the details related to the patent application was published on Jul 17, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World...