GENEVA, April 27 -- 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/CN2025/115831) for "HIGH-SPECIFIC-SURFACE LARGE-PORE-VOLUME PSEUDOBOEHMITE AND PREPARATION METHOD THEREFOR AND HYDROGENATION CATALYST" on Aug 20, 2025. With publication no. WO/2026/081657, the details related to the patent application was published on Apr 23, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which ...