Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266593 | Substituted pyran derivatives having antiinfective activity | Peter H. Ermann, Henner Straub, Uwe D. Treuner | 1993-11-30 |
| 5250691 | Heteroaryl derivatives of monocyclic beta-lactam antibiotics | Henner Straub | 1993-10-05 |
| 4801705 | 2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidines | Hermann Breuer, Peter H. Ermann, Henner Straub, Uwe D. Treuner | 1989-01-31 |
| 4633017 | N-hydroxy protecting groups and process for the preparation of 3-acylamino-1-hydroxy-2-azetidinones | Richard H. Mueller, Peter H. Ermann | 1986-12-30 |
| 4581170 | N-hydroxyl protecting groups and process and intermediates for the preparation of 3-acylamino-1-hydroxy-2-azetidinones | Richard H. Mueller, Peter H. Ermann | 1986-04-08 |