Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071765 | Process for the preparation of sildenafil and intermediates thereof | Guanghui Tian, Zheng Liu, Zhen Wang, Jingshan Shen | 2011-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071765 | Process for the preparation of sildenafil and intermediates thereof | Guanghui Tian, Zheng Liu, Zhen Wang, Jingshan Shen | 2011-12-06 |