Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558053 | Naphthalene-1,5-disulfonate salts of dimeric indole-dihydroindole alkaloids | Ralph R. Pfeiffer | 1985-12-10 |
| 4259242 | Method of preparing vindesine sulfate | — | 1981-03-31 |