Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159077 | Penam antibacterial compounds | Dennis Keith, John Roberts | 1992-10-27 |
| 5112967 | Process for synthesizing antibacterial cephalosporin compounds | Dennis Keith, Kevin F. West | 1992-05-12 |
| 4801704 | Methylene penam and derivatives thereof | Dennis Keith, Manfred Weigele | 1989-01-31 |
| 4663469 | 4-hydroxy-l-threoninamides | Manfred Weigele | 1987-05-05 |
| 4605744 | Imidazole derivatives | Manfred Weigele | 1986-08-12 |
| 4537969 | Imidazole derivatives | Manfred Weigele | 1985-08-27 |
| 4502994 | Enantiomeric synthesis of 3-amino-4-carbamoyloxymethyl-2-azetidonone-1-sulfate | Manfred Weigele | 1985-03-05 |
| 4461726 | Desulfurization of penicillins to prepare azetidinones | Manfred Weigele | 1984-07-24 |
| 4431653 | Penicillanic acid derivatives | Manfred Weigele | 1984-02-14 |