Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988593 | Composition that is suitable for producing polyurethane foams and that contains at least one nucleating agent | Markus Schuette, Mark Elbing, Johann Klassen, Frank Fechner, Michael Klostermann +4 more | 2021-04-27 |
| 10336040 | Method for manufacturing a composite element for vacuum insulation elements | Marc Fricke, Joerg Krogmann | 2019-07-02 |
| 9657133 | Rigid polyurethane foams | Holger Seifert, Johann Klassen, Louis Du Rieu, Guenter Matzke | 2017-05-23 |
| 6274642 | Storage-stable, blowing agent-containing emulsions for producing rigid foams based on isocyanate | Udo Rotermund, Anja Biedermann, Renate Hempel, Marion Heinz | 2001-08-14 |
| 6040349 | Production of rigid polyurethanes foams with reduced density | Gottfried Knorr, Udo Rotermund, Eva Baum, Holger Seifert | 2000-03-21 |
| 5916480 | Storage-stable emulsions for producing fine-celled rigid foams based on isocyanate | Udo Rotermund, Marion Heinz, Anja Biedermann, Renate Hempel | 1999-06-29 |
| 5895792 | Production of rigid polyurethane foams | Udo Rotermund, Renate Hempel, Holger Seifert | 1999-04-20 |
| 5880168 | Open-celled rigid foams based on isocyanate | Marion Heinz, Udo Rotermund, Anja Biedermann, Michael Reichelt | 1999-03-09 |