Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882984 | Process for preparing diaryl carbonate | Pieter Ooms, Andreas Bulan, Johann Rechner, Rainer Weber, Michael Traving +1 more | 2014-11-11 |
| 8716380 | Polycarbonate composition having improved heat stability | Stephan Konrad, Heinrich Hähnsen, Karl-Heinz Köhler, Daniel Koch, Frank Guldentops | 2014-05-06 |
| 8518231 | Process for production of diaryl carbonate | Pieter Ooms, Andreas Bulan, Johann Rechner, Rainer Weber, Johan Vanden Eynde | 2013-08-27 |
| 8173762 | Process for the preparation of polycarbonate | Pieter Ooms, Andreas Bulan, Johann Rechner, Rainer Weber, Johan Vanden Eynde | 2012-05-08 |
| 8163822 | Polycarbonate composition with improved melt-flowability | Stephan Konrad, Rolf Wehrmann, Helmut-Werner Heuer, Karl-Heinz Köhler | 2012-04-24 |
| 7279544 | Transesterification process for the production of polycarbonates having a low content of volatile compounds | Uwe Hucks, Melanie Mothrath, Helmut-Werner Heuer, Thomas König, Lydia Simon +1 more | 2007-10-09 |
| 7250483 | Inhibition of catalytically active impurities in polycarbonate by the melt transesterification process | Helmut-Werner Heuer, Melanie Mothrath, Peter Snobl, Lothar Bunzel, Thomas Pfingst +1 more | 2007-07-31 |