GENEVA, May 10 -- 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/CN2025/130949) for "METHOD FOR SOLID REMOVAL FROM SLURRY OIL, AND METHOD FOR SOLID REMOVAL AND IMPURITY REMOVAL FROM SLURRY OIL" on Oct 29, 2025. With publication no. WO/2026/092528, the details related to the patent application was published on May 07, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is manag...