Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9884870 | Polymorphic substance of yonkenafil hydrochloride, preparation method therefor, and composition and use thereof | Haibo Zhang, Lingwu CHEN, Huixing Liang, Yongfeng Wang, Lianyong Shi +1 more | 2018-02-06 |