Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405527 | Process for the preparation of polyisocyanates | Gerhard Wegener, Gunther Ellendt, Marcel Petinaux | 1983-09-20 |
| 4259526 | Process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type | Kenneth L. Dunlap | 1981-03-31 |
| 4231952 | Process for the production of monoisocyanate | Klaus Konig | 1980-11-04 |