Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12030848 | Solid-solid separation process for long chain dicarboxylic acids | Bingbing Qin, Yufeng Yang | 2024-07-09 |
| 12017182 | Method and system for refining long chain dicarboxylic acid | Chen Yang, Bingbing Qin, Yufeng Yang, Kai Wang | 2024-06-25 |
| 12018311 | Long chain dibasic acid with low content of long chain dibasic acid impurity of shorter carbon-chain and preparation method thereof | Wenbo Liu, Min Xu, Chen Yang, Howard Chou | 2024-06-25 |
| 11999689 | Method and system for extracting long chain dicarboxylic acid | Chen Yang, Shuhua Zhang, Yufeng Yang | 2024-06-04 |