Issued Patents All Time
Showing 1–5 of 5 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 |
| 4254228 | Method of making foamed resins with internal mold-release agents | Wulf von Bonin, Heinz Schneider | 1981-03-03 |
| 4201847 | Process of preparing foams with internal mold-release agents | Wulf von Bonin, Heinz Schneider | 1980-05-06 |
| 4189542 | Process for the production of foam moldings having an impervious outer skin using semi-prepolymer prepared from isocyanates such as isophorone diisocyanate | Holger Meyborg, Hans-Jurgen Lienert, Gerhard Grogler | 1980-02-19 |