Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397287 | Pretreatment process of resin catalyst for synthesizing bisphenol A | Minhua Zhang, He Dong, Hao Gong, Guochao Yang | 2025-08-26 |
| 12371395 | Bisphenol a preparation process and device thereof | Minhua Zhang, Hao Gong, He Dong, Feng Shi, Haoxi Jiang | 2025-07-29 |
| 12344575 | Process for reducing by-products in bisphenol A reaction system | Minhua Zhang, Hao Gong, He Dong, Sheng Wang | 2025-07-01 |
| 12071387 | Thermal coupling method for preparing ethylene by ethanol dehydration and device thereof | Minhua Zhang, Hao Gong, He Dong, Feng Shi, Fang MENG +1 more | 2024-08-27 |
| 12049442 | Preparation method of vinyl acetate by ethylene process and device thereof | Minhua Zhang, Hao Gong, He Dong, Zhongfeng Geng | 2024-07-30 |
| 11939286 | Method for producing vinyl acetate | Minhua Zhang, Zhongfeng Geng, He Dong, Hao Gong, Shenghua Qian +1 more | 2024-03-26 |
| 9636627 | Method for recovering ethylene during the process for producing VAC and a device thereof | Minhua Zhang, Xiuqin Dong, Cheng-Hsiang Liu, Minli Tao, Yonghui Li +2 more | 2017-05-02 |