GENEVA, March 23 -- 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/CN2023/137522) for "CRACKING FURNACE TUBE COATING MATERIAL COMPOSITION, CRACKING FURNACE TUBE COATING AND PREPARATION METHOD THEREFOR" on Dec 08, 2023. With publication no. WO/2025/055163, the details related to the patent application was published on Mar 20, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which ...