Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420488 | Quaternary 1,1-diphenyl-4-pyrrolidinium-2-butyne salts, a process for their production and medicaments containing these compounds | Walter Liebenow | 1983-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420488 | Quaternary 1,1-diphenyl-4-pyrrolidinium-2-butyne salts, a process for their production and medicaments containing these compounds | Walter Liebenow | 1983-12-13 |