Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10696552 | Method for producing wet-process phosphoric acid and by-producing alpha-hemihydrate gypsum and high-purity and high-whiteness alpha-hemihydrate gypsum | Zhaoping Hu, Hualong Yao, Hongkun Chen, Yongxiu Liu, Chengzhi Li | 2020-06-30 |