Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8578876 | Method for the production of composite elements based on isocyanate-based foams | Erwin Calgua, Bernd Schaper, Lars Schoen, Pit Lehmann, Michael Thater | 2013-11-12 |
| 7871489 | Method for the production of composite elements based on isocyanate-based foams | Erwin Calgua, Bernd Schaper, Lars Schoen, Pit Lehmann, Michael Thater | 2011-01-18 |
| 6563007 | Preparation of polyetherols | Stefan Dinsch, Jurgen Winkler, Gottfried Knorr, Michael Reichelt, Gerd Hoppner | 2003-05-13 |
| 6495652 | Prepolymers containing isocyanate groups and a method for the production thereof | Michael Reichelt, Udo Rotermund, Renate Hempel, Peter Falke, Holger Seifert | 2002-12-17 |
| 5688835 | Preparation of polyurethane rigid foams | Karin Scherbel, Katrin Ebert, Hartmut Appenroth | 1997-11-18 |