Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277571 | Urethane group-containing polyisocyanurate foam based on naphthenic acid-hydroxylamine adduct | Hansjuergen Kessler | 1981-07-07 |
| 4260554 | Storage-stable, liquid carbodiimide modified polyisocyanates and process for their manufacture | Rainer Ohlinger, Rolf Wurmb, Matthias Marx | 1981-04-07 |