Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870180 | 1,2-dihydro-4-methyl-1-oxo-5H-pyrido(4,3-b)indoles and the process for their synthesis | Hung C. Nguyen, Paul de Cointet | 1989-09-26 |
| 4835160 | Derivatives of pyridoindole, having anti-tumor properties | Nguyen Chi Hung, Odile Pepin | 1989-05-30 |