Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10836858 | Method for producing polyether carbonate polyols | Jörg Hofmann, Urs Rauwald, Stefanie Braun, Hartmut Nefzger, Nicole Welsch +3 more | 2020-11-17 |
| 10421836 | Process for purifying polycarbonate polyols and purifying apparatus therefor | Jörg Hofmann, Stefanie Braun, Kai Laemmerhold, Cyrus Ahmadzade-Youssefi, Jürgen Bausa | 2019-09-24 |
| 10208162 | Method for the production of polyether carbonate polyols and device therefor | Stefanie Braun, Horst Zwick, Jörg Hofmann, Aurel Wolf, Michael Traving +1 more | 2019-02-19 |
| 10138328 | Method for producing polyether carbonate polyols | Thomas Ernst Müller, Christoph Gürtler, Jörg Hofmann, Carlson Torren | 2018-11-27 |
| 10125217 | Method for producing polyether carbonate polyols | Jörg Hofmann, Hans-Georg Pirkl, Kai Laemmerhold, Hartmut Nefzger, Stefanie Braun +3 more | 2018-11-13 |
| 9676905 | Polyether carbonate polyol production method | Thomas Ernst Müller, Christoph Gürtler, Jörg Hofmann, Stefanie Braun, Aurel Wolf +1 more | 2017-06-13 |
| 9273183 | Polyether carbonate polyol production method | Thomas Ernst Müller, Christoph Gürtler, Jörg Hofmann, Muhammad Afzal Subhani, Walter Leitner +2 more | 2016-03-01 |
| 9249259 | Method for activating double metal cyanide catalysts for producing polyether polyols | Thomas Ernst Müller, Christoph Gürtler, Jörg Hofmann, Muhammad Afzal Subhani, Maurice Cosemans +1 more | 2016-02-02 |
| 9120894 | Method for producing polyether polyols | Thomas Ernst Müller, Christoph Gürtler, Jörg Hofmann, Muhammad Afzal Subhani, Maurice Cosemans +1 more | 2015-09-01 |