Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33073 | Obtaining caprolactam by cleaving oligomers of caprolactam | Hugo Fuchs, Uwe Brand | 1989-09-26 |
| 4683305 | Obtaining caprolactam by cleaving oligomers of caprolactam | Hugo Fuchs, Uwe Brand | 1987-07-28 |