Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11219888 | Method for preparing and processing catalyst solutions | Holger Rosellen, Salvatore Manzelli, Cosimo Calandrelli, Stephan Reimer, Frank Richter +1 more | 2022-01-11 |
| 10836858 | Method for producing polyether carbonate polyols | Jörg Hofmann, Urs Rauwald, Stefanie Braun, Matthias Wohak, Hartmut Nefzger +3 more | 2020-11-17 |
| 10208162 | Method for the production of polyether carbonate polyols and device therefor | Stefanie Braun, Horst Zwick, Matthias Wohak, Jörg Hofmann, Aurel Wolf +1 more | 2019-02-19 |
| 10040901 | Method for producing polyether carbonate polyols | Jörg Hofmann, Stefanie Braun, Kai Laemmerhold, Aurel Wolf | 2018-08-07 |
| 8882984 | Process for preparing diaryl carbonate | Pieter Ooms, Andreas Bulan, Johann Rechner, Rainer Weber, Marc Buts +1 more | 2014-11-11 |
| 8354028 | Method for separating an organic phase from an electrolyte-containing aqueous and organic phase | Helmut Meyer, Guido Naberfeld, Johann Rechner, Rafael Warsitz, Werner Bäcker +9 more | 2013-01-15 |
| 8252161 | Electrofiltration method | Gregor Dudziak, Martina Mutter | 2012-08-28 |
| 8106144 | Process for producing polycarbonate | Pieter Ooms, Andreas Bulan, Rainer Weber, Johann Rechner | 2012-01-31 |
| 7393969 | Particular calixarenes method for production and use thereof | Wilfried Gutknecht, Werner Bäcker, Wolfgang Kummer, Rainer Ludwig | 2008-07-01 |
| 6855766 | Process for concentrating polymer latexes | Christiane Oppenheimer-Stix | 2005-02-15 |
| 6734325 | Process for the separation of reaction mixtures and the recirculation of quaternary salts | Claus-Peter Reisinger, Sven Michael Hansen, Peter Fischer | 2004-05-11 |
| 6727393 | Process for the preparation of organic solutions | Claus-Peter Reisinger, Sven Michael Hansen, Peter Fischer | 2004-04-27 |