Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367082 | Process for the preparation of 2-mercaptobenzothiazole | Manfred Bergfeld, Norbert Gutlein, Eberhard Aust | 1994-11-22 |
| 4783572 | Process for the preparation of ethylene-ethane mixtures | Manfred Bergfeld, Hans Zengel | 1988-11-08 |