Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319773 | Carrier for olefin polymerization catalyst, and preparation method therefor and application thereof | Yongtai Ling, Xianzhi Xia, Weili Li, Jin Zhao, Futang Gao +4 more | 2025-06-03 |
| 11970510 | Catalyst component and catalyst for olefin polymerization, and application thereof | Jin Zhao, Xianzhi Xia, Yang Tan, Chunhong REN, Weili Li +4 more | 2024-04-30 |
| 10988553 | Catalyst pre-contact device for continuous polymerization of olefins and method for catalyst pre-contact | Xianzhi Xia, Tianyi Zhang, Jin Zhao | 2021-04-27 |
| 10990500 | Systems and methods for user analysis | Zang Li, Lifeng Cao, Zhihua CHANG, Hongbo LING, Xiang Xu | 2021-04-27 |
| 10239969 | Spherical magnesium halide adduct, a catalyst component and a catalyst for olefin polymerization prepared therefrom | Xianzhi Xia, Jigui Zhang, Xinsheng Wang, Ping Gao, Suzhen Qiao +6 more | 2019-03-26 |
| 9951157 | Spherical carriers for olefin polymerization catalyst, catalyst components, catalyst, and preparation methods therefor | Weili Li, Xianzhi Xia, Yongtai Ling, Jin Zhao, Jigui Zhang +8 more | 2018-04-24 |
| 9809663 | Catalyst component for olefin polymerization, preparation method thereof, and catalyst comprising same | Xianzhi Xia, Jin Zhao, Weili Li, Yongtai Ling, Ping Gao +4 more | 2017-11-07 |
| 9499569 | Spherical magnesium halide adduct, a catalyst component and a catalyst for olefin polymerization prepared therefrom | Xianzhi Xia, Jigui Zhang, Xinsheng Wang, Ping Gao, Suzhen Qiao +6 more | 2016-11-22 |
| 9353197 | Catalyst component for olefin polymerization and preparation method thereof | Xianzhi Xia, Jin Zhao, Jigui Zhang, Weili Li, Yang Tan +5 more | 2016-05-31 |
| 9321857 | Carrier for olefin polymerization catalyst, preparation method and application thereof | Weili Li, Xianzhi Xia, Jigui Zhang, Suzhen Qiao, Jin Zhao +7 more | 2016-04-26 |
| 9243086 | Catalyst component for olefin polymerization and catalyst comprising the same | Weili Li, Xianzhi Xia, Jigui Zhang, Suzhen Qiao, Jin Zhao +7 more | 2016-01-26 |
| 9068026 | Magnesium halide adducts, catalyst components and catalysts comprising the same, and preparation processes thereof | Xianzhi Xia, Jin Zhao, Jigui Zhang, Yongtai Ling, Weili Li +6 more | 2015-06-30 |
| 7332455 | Catalyst component and catalyst for olefin polymerization as well as use thereof | Chen Wei, Xianzhi Xia, Wenbo Song, Hongbin Du, Zifang Guo +6 more | 2008-02-19 |
| 7153804 | Catalyst component for ethylene polymerization, the preparation thereof and catalyst comprising the same | Wei-Ming Chen, Zifang Guo, Junling Zhou, Hongxu Yang, Ruixia Li +4 more | 2006-12-26 |
| 6387839 | Compound catalyst system for synthesizing polyethylenes or copolymers of ethylene having bimodal or broad molecular weight distributions, process for preparing the same and use of the same | Maozhu Jin, Renqi Peng, Huibo Shen, Meizhen Yin, Zhaowen Ma +4 more | 2002-05-14 |