Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346210 | Process for the preparation of polycarbonates catalyzed by cyclic aza compounds | Wolfgang Alewelt, Claus Wulff, Hugo Vernaleken | 1982-08-24 |
| 4336348 | Thermoplastic compositions, process for their preparation and their use | — | 1982-06-22 |
| 4327015 | Flame resistant, transparent polycarbonates comprising bisulfite adducts | Frank Druschke, Wolfgang Cohnen, Karsten-Josef Idel | 1982-04-27 |
| 4323501 | Esters of phosphorous acid | Erich Eimers, Helmut Schmid, Rolf Dhein | 1982-04-06 |
| 4310642 | Graft polycarbonates, their preparation and their use as moldings | Werner Nouvertne, Dieter Neuray, Hugo Vernaleken | 1982-01-12 |