Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359045 | Method for producing isocyanate mixtures containing isocyanurate groups | Christian Hahn, Stephan Schubert, Ernst Felske, Claudia Houben, Frank Behrendt | 2022-06-14 |
| 10889679 | Polyurethane hybrid polymers and process for the production thereof | Koichi Kawamura, Gerlinde Koss-Nasser, Erhard Michels | 2021-01-12 |
| 10633330 | Process for preparing liquid, storage-stable organic isocyanates having carbodiimide and/or uretonimine groups and having low colour number | Torsten Hagen, Ernst Felske | 2020-04-28 |
| 10633476 | Method for producing a composition comprising polycarbodiimide having improved storage stability | Stefan Wershofen, Ernst Felske | 2020-04-28 |
| 9718936 | Method for producing a hard polyurethane-polyisocyanurate foamed material | Stephan Schleiermacher, Patrick Klasen, Reinhard Albers, Stephan Moers, Dirk Steinmeister +2 more | 2017-08-01 |
| 9481776 | Foams of high thermal stability | Dirk Wegener, Stephan Reiter, Harald Rasselnberg, Marcel Schornstein, Dirk Brüning | 2016-11-01 |
| 7772312 | Reinforced polyurethane-urea elastomers and their use | Peter Haas | 2010-08-10 |
| 7041725 | Modified polyurethanes, a process for their preparation, and electroplated or metallized molded articles produced therefrom | Eduard Mayer, Helmut Meyer | 2006-05-09 |
| 6989406 | Polyurea polyrethanes having improved physical properties | Klaus Brecht, Bernhard John, Peter Seifert, Michael Schneider | 2006-01-24 |
| 6566482 | Process for the preparation of polyurethane elastomers with a high heat distortion temperature | Peter Haas | 2003-05-20 |
| 6521676 | Use of polyether-polyurethane for safety clothing | Klaus Brecht, Bernhard John | 2003-02-18 |