Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4391821 | 7-Substituted benzopyranes and process for the preparation thereof | Dezso Korbonits, Mihaly Nogradi, Janos Strelisky, Andras Wolfner, Gergely Heja +3 more | 1983-07-05 |