Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720400 | Process for the preparation of polyisocyanates with a biuret structure | Reinhard Halpaap, Dieter Mager, Siegfried Oeckl | 2004-04-13 |
| 6713556 | Dimethylpyrazole-blocked isocyanate mixtures | Eberhard Konig, Reinhard Halpaap, Thomas Klimmasch, Hans-Ulrich Meier-Westhues, Joachim Schüll +1 more | 2004-03-30 |
| 6420508 | Light-fast polyisocyanates having good solubility in non-polar solvents | Karsten Danielmeier, Lutz Schmalstieg, Hans-Josef Laas, Reinhard Jahn | 2002-07-16 |
| 6392001 | Process for the production of light-stable polyisocyanates containing allophanate groups | Josef Pedain, Reinhard Halpaap | 2002-05-21 |
| 6111053 | Olefinically unsaturated polyisocyanates | Martin Brahm, Eberhard Arning, Lutz Schmalstieg, Jurgen Schwindt | 2000-08-29 |
| 5914383 | Isocyanate trimers containing iminooxadiazine dione groups, their preparation and use | Frank Richter, Josef Pedain, Carl-Gerd Dieris | 1999-06-22 |
| 5610260 | Polyisocyanate mixtures which are liquid at greater than 5.degree. C | Lutz Schmalstieg, Josef Pedain | 1997-03-11 |