Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059632 | Humic acid composition and application thereof | Hongfa Li, Liangjin Guo, Yanjin Bi | 2018-08-28 |
| 10053816 | Method for continuously cooking grass raw materials and device | Hongfa Li, Songtao Chen, Qingtao Wang, Jixing Chu, Yingwen Dong | 2018-08-21 |