Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352719 | Parking space navigation method, parking space management method, mobile terminal, and server | Jianjun LEI, Yuan He, Shengwen Luo, Huaming Wang | 2019-07-16 |
| 7985814 | Main catalyst component for olefin polymerization, a process for preparing the same and a catalyst comprising the same | Shijiong Yu, Xiaofeng Ye | 2011-07-26 |
| 7867939 | Catalyst for ethylene polymerization, preparation thereof, and method for controlling the polymerization kinetic behavior of said catalyst | Shijiong Yu, Xiaofeng Ye | 2011-01-11 |
| 7405176 | Solid main catalyst component for ethylene polymerization, a process for preparing the same and a catalyst containing the same | Shijiong Yu, Xiaofeng Ye | 2008-07-29 |
| 7354981 | Polyethylene catalyst and a process for preparing the same | Shijiong Yu, Xiaofeng Ye | 2008-04-08 |
| 7300902 | Catalyst for polymerization of ethylene, preparation thereof and use of the same | Shijiong Yu, Xiaofeng Ye, Zixiao Chai | 2007-11-27 |
| 6306985 | High activity solid catalyst for producing low-, medium-, and high-density polyethylenes by slurry phase polymerization, process for preparing the same and use of the same in ethylene polymerization | Shijiong Yu, Xiaofeng Ye | 2001-10-23 |
| 6303716 | High-activity catalyst for producing low-, medium- and high density polyethylenes by gas phase polymerization, process for preparing the same and use of the same in ethylene polymerization | Zixiao Chai, Xiaofeng Ye | 2001-10-16 |