INTERNATIONAL PATENT: CHINA NATIONAL PETROLEUM CORPORATION, 中国石油天然气集团有限公司, CHINA KUNLUN CONTRACTING & ENGINEERING CO., LTD, 中国昆仑工程有限公司 FILES APPLICATION FOR "METHOD FOR SYNTHESIZING DIMETHYL TEREPHTHALATE"

Posted On: 2025-11-02

GENEVA, Nov. 2 -- CHINA NATIONAL PETROLEUM CORPORATION (9 Dongzhimen North StreetDongcheng District, Beijing 100007), 中国石油天然气集团有限公司 (中国北京市东城区东直门北大街9号), CHINA KUNLUN CONTRACTING & ENGINEERING CO., LTD (No. 21 Zengguang RoadHaidian District, Beijing 100037), 中国昆仑工程有限公司 (中国北京市海淀区增光路21号) filed a patent application (PCT/CN2024/140821) for "METHOD FOR SYNTHESIZING DIMETHYL TEREPHTHALATE" on Dec 20, 2024...

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INTERNATIONAL PATENT: CHINA NATIONAL PETROLEUM CORPORATION, 中国石油天然气集团有限公司, CHINA KUNLUN CONTRACTING & ENGINEERING CO., LTD, 中国昆仑工程有限公司 FILES APPLICATION FOR "METHOD FOR SYNTHESIZING DIMETHYL TEREPHTHALATE"