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:
Oct. 28, 2025
Filed:
Oct. 30, 2020
China Petroleum & Chemical Corporation, Beijing, CN;
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, Beijing, CN;
Rong Gao, Beijing, CN;
Jingjing Lai, Beijing, CN;
Zifang Guo, Beijing, CN;
Qingqiang Gou, Beijing, CN;
Junling Zhou, Beijing, CN;
Dongbing Liu, Beijing, CN;
Xiaofan Zhang, Beijing, CN;
Jie Lin, Beijing, CN;
Xinyang Li, Beijing, CN;
Junhui Zhang, Beijing, CN;
Yuanning Gu, Beijing, CN;
Yan Li, Beijing, CN;
Jingyan An, Beijing, CN;
Jie Fu, Beijing, CN;
Yanhong Wan, Beijing, CN;
Abstract
A diimine metal complex represented by Formula I, a preparation method therefor, and application thereof are provided. The complex is used as a main catalyst in catalysts for olefin polymerization, and can achieve catalytic ethylene polymerization at a high temperature to prepare high molecular weight branched polyethylene.