Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787748 | Polyphosphoric acid calcium magnesium fertilizer, polyphosphoric acid calcium magnesium fertilizer prepared by using phosphoric acid and phosphorus tailings as raw material and preparation method therefor | Yongxiu Liu, Jianguo Zheng, Botong Wang, Chengzhi Li, Nanshu Yu +2 more | 2023-10-17 |
| 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 |