Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227021 | Production of adipic acid from acidic wash waters | Otto-Alfred Grosskinsky, Norbert Petri, Hans Leitner | 1980-10-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227021 | Production of adipic acid from acidic wash waters | Otto-Alfred Grosskinsky, Norbert Petri, Hans Leitner | 1980-10-07 |