Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528362 | Method for producing spinnable polyamide from dinitrile with phosphorus ester catalyst | Hansdieter Hofmann, Hans-Jochen Rothe, Georg Skupin | 1985-07-09 |
| 4436898 | Preparation of spinnable polyamide from dinitrile, diamine, H.sub.2 O with P containing catalyst | Hansdieter Hofmann, Hans-Jochen Rothe, Georg Skupin | 1984-03-13 |