Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857528 | Substituted pyrrolidinones, pharmaceutical compositions and use | Karl-Heinz Weber, Claus Schneider, Gerhard Walther, Dieter Hinzen, Erich Lehr +2 more | 1989-08-15 |
| 4833140 | 1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones | Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Erich Lehr | 1989-05-23 |