Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340712 | Process for the preparation of polyisocyanates containing biuret and/or higher polyuret groups and use thereof as synthesis component in the preparation of polyurethane plastics | Wolfgang Reichmann, Manfred Schonfelder | 1982-07-20 |
| 4338431 | Process for the preparation of neopentyl glycol polyesters and co-polyesters | Wolfgang Reichmann, Manfred Schonfelder | 1982-07-06 |
| 4328321 | Dialkoxy-phosphonyl-N-alkyl-formic acid amides and their use as additives for the production of polyurethane foams which are capable of being flame laminated and high frequency welded | Peter Haas, Heinz Muller, Peter Seifert, Kuno Wagner, Kurt Findeisen | 1982-05-04 |
| 4320068 | Process for the production of polyisocyanates having a biuret structure | Jurgen Schwindt, Holger Meyborg, Helmut Reiff | 1982-03-16 |