Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386089 | .beta.-Lactam antibiotics and their medicinal use | Karl G. Metzger, Michael Preiss | 1983-05-31 |
| 4344939 | Penicillin 1,1-dioxides, compositions thereof and methods of use | Ekkehard Niemers, Wilfried Schrock, Karl G. Metzger | 1982-08-17 |
| 4344955 | Penicillin 1,1-dioxides | Ekkehard Niemers, Wilfried Schrock, Karl G. Metzger | 1982-08-17 |
| 4338434 | 2-Hetero-acetamido-cephalosporinates | Michael Preiss, Karl G. Metzger, Peter Feyen | 1982-07-06 |
| 4235774 | Penicillin derivatives | Michael Preiss, Karl G. Metzger, Gunter Schmidt | 1980-11-25 |
| 4218451 | Penicillins and their use | Peter Feyen, Karl G. Metzger | 1980-08-19 |
| 4215118 | 2-Hetero-acetamido-penicillanates and cephalosporinates | Michael Preiss, Karl G. Metzger, Peter Feyen | 1980-07-29 |