INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "DOLOMITE STANDARD SAMPLE DEVELOPMENT METHOD CALIBRATED BY AGE METHOD, DOLOMITE STANDARD SAMPLE AND USE THEREOF"

GENEVA, May 16 -- 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/CN2023/141464) for "DOLOMITE STANDARD SAMPLE DEVELOPMENT METHOD CALIBRATED BY AGE METHOD, DOLOMITE STANDARD SAMPLE, AND USE THEREOF" on Dec 25, 2023. With publication no. WO/2025/097570, the details related to the patent application was published on May 15, 2025.

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