Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10414853 | Method of manufacturing of press materials | Andreas Pielasch, Dirk Steinmeister, Henry Gu | 2019-09-17 |
| 10253134 | Rigid PUR/PIR foams of isopropylidenediphenol-based polyethers | Hartmut Nefzger, Klaus Lorenz | 2019-04-09 |
| 9718936 | Method for producing a hard polyurethane-polyisocyanurate foamed material | Patrick Klasen, Reinhard Albers, Stephan Moers, Dirk Steinmeister, Dieter Seidel +2 more | 2017-08-01 |
| 8042864 | Roof module for a motor vehicle | Klaus Franken, Karsten Muller, Hans-Juergen Liebig, Detlef Mies, Dirk Legler +4 more | 2011-10-25 |
| 6858699 | Polyurethane elastomers and processes for their preparation and use | Erhard Michels, Hartmut Nefzger | 2005-02-22 |
| 6590057 | Polyurethane elastomers, process for their production and use thereof | Klaus Brecht, Wolfgang Grimm, Marc Schütze | 2003-07-08 |