Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202979 | Device for reducing pressure fluctuation of pressure filter frame and pressure filter | Xu Zhao, Wanyao Zhang, Xiangnan Zhai, Guohai Zhang, Yu Guo +1 more | 2021-12-21 |
| 10906858 | CTA solvent exchanging method | Xu Zhao, Wanyao Zhang, Tianbao Wang, Xiangnan Zhai, Yongpeng Tan +3 more | 2021-02-02 |
| 10273198 | Solvent exchanger and method for improving the exchange efficiency of CTA solvent | Xu Zhao, Wanyao Zhang, Yongpeng Tan, Xiangnan Zhai, Tianbao Wang +4 more | 2019-04-30 |
| 9902680 | Method for processing acetic acid solvent in oxidising unit of PTA industrial apparatus | Xu Zhao, Wanyao Zhang, Maikui Zhang, Yongpeng Tan, Xiangnan Zhai +6 more | 2018-02-27 |