Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332940 | Process for the production of 2,3-cycloalkenopyridines | Heinz Friedrich, Heribert Offermanns | 1982-06-01 |
| 4314064 | Process for the production of nicotinamide | Heinz Friedrich, Klaus Muller, Gerd Schreyer | 1982-02-02 |