Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807937 | Solid-solid separation process for long chain dicarboxylic acids | Yufeng Yang, Xiucai Liu | 2020-10-20 |
| 10759737 | Method for extracting 1,5-pentanediamine from solution system containing 1,5-pentanediamine salt | Xiucai Liu, Chen Yang | 2020-09-01 |
| 10538481 | Method for purifying 1,5-pentanediamine and 1,5-pentanediamine | Charlie Liu, Shanshi Guo, Benliang Hou, Xiucai Liu | 2020-01-21 |