The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2026
Filed:
Oct. 30, 2020
China Petroleum & Chemical Corporation, Beijing, CN;
Shanghai Research Institute of Chemical Industry Co. Ltd., Shanghai, CN;
Xiamen University, Xiamen, CN;
Zhaolin Yin, Maoming, CN;
Yuanhong Mao, Maoming, CN;
Yucai Cao, Shanghai, CN;
Shengbiao Liang, Maoming, CN;
Hongping Zhu, Xiamen, CN;
Xiaofeng Ye, Shanghai, CN;
Chen Ni, Shanghai, CN;
Zhikang Chen, Xiamen, CN;
Dongwen Zhong, Maoming, CN;
Sha Song, Maoming, CN;
Wenjun Jiang, Maoming, CN;
Zhenyu Liu, Maoming, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SHANGHAI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO. LTD., Shanghai, CN;
XIAMEN UNIVERSITY, Xiamen, CN;
Abstract
A metallocene compound having a structure shown by formula (I). A functional group connected to a bridging atom of the metallocene compound is an amine-substituted group and/or a metallocene-substituted group and/or a substituted metallocene group. A metallocene catalyst containing the metallocene compound has high catalytic activity, and can synthesize metallocene polypropylene having high isotacticity.RRZ(Cp)(E)MLL (I)