Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678792 | Quaternary 3,4-dihydro-isoquinolinium salts | Josef Nickl, Erich Muller, Helmut Ballhause, Walter Haarmann | 1987-07-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678792 | Quaternary 3,4-dihydro-isoquinolinium salts | Josef Nickl, Erich Muller, Helmut Ballhause, Walter Haarmann | 1987-07-07 |