Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888521 | Sustained release compositions using wax-like materials | Andrew Xian Chen | 2021-01-12 |
| 10668012 | Chewable sustained release formulations | Andrew Xian Chen, Hai Liang Chen, Jun Fan | 2020-06-02 |