INTERNATIONAL PATENT: CHINA PETROLEUM & CHEMICAL CORPORATION, 中国石油化工股份有限公司, SINOPEC (BEIJING) RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD., 中石化（北京）化工研究院有限公司 FILES APPLICATION FOR "METALLOCENE COMPOUND, CATALYST COMPOSITION AND METHOD FOR PREPARING ETHYLENE-CYCLIC OLEFIN COPOLYMER"

GENEVA, Feb. 24 -- CHINA PETROLEUM & CHEMICAL CORPORATION (No.22 Chaoyangmen North StreetChaoyang District, Beijing 100728), 中国石油化工股份有限公司 (中国北京市朝阳区朝阳门北大街22号), SINOPEC (BEIJING) RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD. (No. 14, Beisanhuan East RoadChaoyang District, Beijing 100013), 中石化（北京）化工研究院有限公司 (中国北京市朝阳区北三环东路14号) filed a patent applicat...