Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245947 | Treatment for polyether polyols | Gerd Hoeppner, Monika Wetterling, Heinz Auer, Jens Bruhn, Stefan Dinsch +1 more | 2001-06-12 |
| 6100308 | Preparation of polyurethanes having improved curing | Stefan Dinsch, Gottfried Knorr, Holger Seifert | 2000-08-08 |
| 5925687 | Production of flexible polyurethane foams | Stefan Dinsch, Karl-Heinz Steinchen, Gerd Hoeppner, Klaus Wagner, Harald Larbig +1 more | 1999-07-20 |
| 5895824 | Preparation of polyether polyols containing aromatics | Stefan Dinsch, Regina Pretzsch, Juergen Winkler, Karl-Heinz Steinchen | 1999-04-20 |
| 5852104 | Aqueous polyurethane dispersions containing structural units derived from alkenyl- or alkylsuccinic acid | Nicholas Kokel, Karl Haberle, Kuno Beutler, Jurgen Reichert, Peter Weyland +5 more | 1998-12-22 |
| 5830944 | Preparation of polymeric polyesterols | Baerbel Meyer, Gerd Mueller-Hagen | 1998-11-03 |
| 5705709 | Preparation of bromine-containing polyols | Regina Pretzsch, Ralf Fritz | 1998-01-06 |
| 5552450 | Production of rigid polyurethane foams | Werner Hinz, Rolf Henn, Uwe Keppeler | 1996-09-03 |