Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927937 | Pharmacologically active .epsilon.-valerolactams | Yan Chen, Geng Liu, Liang Huang | 1990-05-22 |
| 4879390 | Delta-butyrolactams, thereof, processes for the preparation thereof and their medical use | Yen-Rong Chen, Liang Huang, Geng Liu, Ulrich Benz | 1989-11-07 |
| 4826873 | 2,3-dihydroxy-3-phenyl-N-(2-phenyl-ethyl)-propionic acid amides derivatives thereof | Yan Chen, Geng Liu, Liang Huang | 1989-05-02 |
| 4757064 | Pharmacologically active bicyclic lactams | Yan Chen, Geng Liu, Liang Huang | 1988-07-12 |