Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360461 | Process for obtaining caprolactam by cleaving caprolactam oligomers | Elmar Frommer, Otto-Alfred Grosskinsky | 1982-11-23 |
| 4350630 | Continuous extraction of caprolactam from an aqueous solution containing caprolactam and its oligomers | Uwe Brand, Ernst Deuker, Elmar Frommer | 1982-09-21 |