Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397287 | Pretreatment process of resin catalyst for synthesizing bisphenol A | He Dong, Hao Gong, Guochao Yang, Yingzhe Yu | 2025-08-26 |
| 12371395 | Bisphenol a preparation process and device thereof | Yingzhe Yu, Hao Gong, He Dong, Feng Shi, Haoxi Jiang | 2025-07-29 |
| 12344575 | Process for reducing by-products in bisphenol A reaction system | Yingzhe Yu, Hao Gong, He Dong, Sheng Wang | 2025-07-01 |