INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "POLYMER SURFACTANT, MICROEMULSION FOR IMPROVING RECOVERY RATIO AND PREPARATION METHOD THEREFOR"

GENEVA, Feb. 7 -- 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/CN2024/142999) for "POLYMER SURFACTANT, MICROEMULSION FOR IMPROVING RECOVERY RATIO, AND PREPARATION METHOD THEREFOR" on Dec 27, 2024. With publication no. WO/2026/025796, the details related to the patent application was published on Feb 05, 2026.

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