Issued Patents All Time
Showing 1–25 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475751 | Process for producing dialkyl carbonates | Friedhelm Risse, Andre Düx, Carsten Buchaly, Thomas Pancur, Arthur Susanto +3 more | 2016-10-25 |
| 9175135 | Process for preparing diaryl carbonates and polycarbonates | Andreas Bulan | 2015-11-03 |
| 9150490 | Process for preparing diaryl carbonates and polycarbonates | Andreas Bulan | 2015-10-06 |
| 9040732 | Process for preparing diaryl carbonates from dialkyl carbonates | Andre Düx, Guenter Olf, Kaspar Hallenberger, Georg Ronge, Ricarda Leiberich +3 more | 2015-05-26 |
| 8987446 | Bimetallic complexes and the use thereof in producing diaryl carbonate | Christoph Gürtler, Thomas Ernst Müller, Johann Rechner, Friedhelm Risse, Angelina Prokofieva +4 more | 2015-03-24 |
| 8952189 | Process for preparing diaryl carbonates or alkyl aryl carbonates from dialkyl carbonates | Andre Düx, Helmut Mothes, Kaspar Hallenberger, Georg Ronge, Rafael Warsitz +1 more | 2015-02-10 |
| 8882984 | Process for preparing diaryl carbonate | Andreas Bulan, Johann Rechner, Rainer Weber, Michael Traving, Marc Buts +1 more | 2014-11-11 |
| 8648163 | High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s | Dieter Freitag, Pin Go, Lawino Kagumba, Stephan Konrad, Helmut-Werner Heuer +3 more | 2014-02-11 |
| 8552214 | Process for preparing dialkyl carbonates | Friedhelm Risse, Andre Düx, Carsten Buchaly, Thomas Pancur, Arthur Susanto +3 more | 2013-10-08 |
| 8518231 | Process for production of diaryl carbonate | Andreas Bulan, Johann Rechner, Rainer Weber, Marc Buts, Johan Vanden Eynde | 2013-08-27 |
| 8389664 | High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s | Dieter Freitag, Pin Go, Lawino Kagumba, Stephan Konrad, Helmut-Werner Heuer +3 more | 2013-03-05 |
| 8338631 | Process for preparing dialkyl carbonates from alkylene carbonates and alcohols | Friedhelm Risse, Andre Düx, Marcus Grünewald, Thomas Pancur, Arthur Susanto +3 more | 2012-12-25 |
| 8304509 | Process for preparing diaryl carbonates from dialkyl carbonates | Christoph Gürtler, Thomas Ernst Müller, Friedhelm Risse, Johann Rechner, Franco Doro +1 more | 2012-11-06 |
| 8173762 | Process for the preparation of polycarbonate | Andreas Bulan, Johann Rechner, Rainer Weber, Marc Buts, Johan Vanden Eynde | 2012-05-08 |
| 8106144 | Process for producing polycarbonate | Andreas Bulan, Rainer Weber, Johann Rechner, Michael Traving | 2012-01-31 |
| 8039659 | Processes for preparing diaryl and/or alkylaryl carbonates from dialkyl carbonates | Andre Düx, Johann Rechner, Matthias Böhm, Kaspar Hallenberger, Georg Ronge +1 more | 2011-10-18 |
| 8022240 | Processes for purifying diaryl carbonates | Johann Rechner, Matthias Böhm, Andre Düx, Kaspar Hallenberger, Georg Ronge +1 more | 2011-09-20 |
| 8003817 | Process for the preparation of diaryl carbonates or arylalkyl carbonates from dialkyl carbonates | Andre Düx, Johann Rechner, Kaspar Hallenberger, Georg Ronge, Johan Vanden Eynde | 2011-08-23 |
| 7863403 | Process for the preparation of polycarbonates and diaryl carbonate | Helmut-Werner Heuer | 2011-01-04 |
| 7858727 | Process for the preparation of polycarbonate | Andreas Bulan, Rainer Weber, Johann Rechner | 2010-12-28 |
| 7008900 | Double metal cyanide catalysts for producing polyether polyols | Jörg Hofmann, Pramod Gupta, Walter Schafer, John Lohrenz | 2006-03-07 |
| 6953765 | Double metal cyanide catalysts for preparing polyether polyols | Jörg Hofmann, Walter Schafer | 2005-10-11 |
| 6919293 | Double metal cyanide catalysts for producing polyether polyols | Jörg Hofmann, Christian Steinlein, Stephan Ehlers | 2005-07-19 |
| 6906006 | N-arly-substituted nitrogen-containing heterocycles, processes and novel intermediates for their preparation, and their use as herbicides and plant growth regulators | Reiner Fischer, Uta Jensen-Korte, Franz Kunisch, Albrecht Marhold, Otto Schallner +4 more | 2005-06-14 |
| 6878661 | Bimetallic-cyanide catalysts used for preparing polyether polyols | Jörg Hofmann, Pramod Gupta, Walter Schafer | 2005-04-12 |