Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33073 | Obtaining caprolactam by cleaving oligomers of caprolactam | Hugo Fuchs, Uwe Brand | 1989-09-26 |
HB
Helmut Buchaeckert
Overall (1989): #107,201 of 140,708Top 80%
1
Patents 1989