Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528362 | Method for producing spinnable polyamide from dinitrile with phosphorus ester catalyst | Hansdieter Hofmann, Georg Skupin, Konrad Wolff | 1985-07-09 |
| 4436898 | Preparation of spinnable polyamide from dinitrile, diamine, H.sub.2 O with P containing catalyst | Hansdieter Hofmann, Georg Skupin, Konrad Wolff | 1984-03-13 |
| 4263425 | Process for production of polyester polymer for food packing | Peter C. Freund, Werner Gey, Helmut Heinze | 1981-04-21 |