Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745278 | Method for producing phosphoric acid and by-producing alpha-hemihydrate gypsum by wet-process | Hongkun Chen, Hualong Yao, Yongxiu Liu, Chengzhi Li, Xixing Zhang | 2020-08-18 |
| 10696552 | Method for producing wet-process phosphoric acid and by-producing alpha-hemihydrate gypsum and high-purity and high-whiteness alpha-hemihydrate gypsum | Hualong Yao, Hongkun Chen, Shihua Pang, Yongxiu Liu, Chengzhi Li | 2020-06-30 |