Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320067 | Process for the preparation of modified polyisocyanates | Wulf von Bonin, Hans-Albrecht Freitag | 1982-03-16 |
| 4317791 | Process for the production of non-cellular molded articles | Heimo Ludke, Peter Gunther | 1982-03-02 |