Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421350 | Process of preparing a poly(anthranilide), poly(anthranilide) and its use | Karolina Walker, Stefan Westhues, Mike Schuetze | 2025-09-23 |
| 12378348 | Method for the production of a thermoplastic polyoxazolidinone | Sohajl Movahhed, Stefan Westhues, Daniel Thiel, Kai Laemmerhold, Christoph Guertler | 2025-08-05 |
| 12091492 | Method for producing polyoxymethylene polyoxyalkylene block copolymers | Markus Meuresch, Christoph Guertler, Annika Stute | 2024-09-17 |
| 11427671 | Method for the production of thermoplastic polyoxazolidinone polymers | Carsten Koopmans, Kai Laemmerhold, Christoph Guertler, Elena Frick-Delaittre, Joachim Simon +3 more | 2022-08-30 |
| 11370874 | Method for the production of thermoplastic polyoxazolidone polymers | Carsten Koopmans, Christoph Guertler, Elena Frick-Delaittre, Kai Laemmerhold, Claudine Rangheard +1 more | 2022-06-28 |
| 11352462 | Flame-retarded rigid polyurethane foams | Hartmut Nefzger, Persefoni Hilken, Markus Meuresch | 2022-06-07 |
| 11312812 | Process for producing elastomers | Jochen Norwig, Volker Marker, Jens Langanke, Christoph Gürtler, Philipp Nicholas Wagner +1 more | 2022-04-26 |
| 11299577 | Method for the production of thermoplastic polyoxazolidinone polymers | Carsten Koopmans, Christoph Guertler, Elena Frick-Delaittre, Kai Laemmerhold, Claudine Rangheard +1 more | 2022-04-12 |
| 10836858 | Method for producing polyether carbonate polyols | Jörg Hofmann, Urs Rauwald, Stefanie Braun, Matthias Wohak, Hartmut Nefzger +3 more | 2020-11-17 |
| 10759902 | Process for the production of polyoxymethylene block copolymers | Ilja Peckermann, Jens Langanke, Christoph Gürtler, Jörg Hofmann | 2020-09-01 |
| 10519276 | Use of alcohols which contain at least two urethane groups for producing polyether carbonate polyols | Urs Rauwald, Jörg Hofmann, Bert Klesczewski, Hartmut Nefzger, Jens Langanke | 2019-12-31 |
| 10208162 | Method for the production of polyether carbonate polyols and device therefor | Stefanie Braun, Horst Zwick, Matthias Wohak, Jörg Hofmann, Michael Traving +1 more | 2019-02-19 |
| 10125217 | Method for producing polyether carbonate polyols | Jörg Hofmann, Hans-Georg Pirkl, Kai Laemmerhold, Hartmut Nefzger, Matthias Wohak +3 more | 2018-11-13 |
| 10105675 | Method for phosgenating compounds containing hydroxyl, thiol, amino and/or formamide groups | Leslaw Mleczko, Ralf Schellen, Konstantinos METAXAS, Jens Stefan Roggan | 2018-10-23 |
| 10093772 | Process for the production of polyoxymethylene block copolymers | Ilja Peckermann, Jens Langanke, Christoph Gürtler, Jörg Hofmann | 2018-10-09 |
| 10040901 | Method for producing polyether carbonate polyols | Jörg Hofmann, Stefanie Braun, Kai Laemmerhold, Michael Traving | 2018-08-07 |
| 10030100 | Method for producing formaldehyde-alkyl carbonate-copolymers | Ilja Peckermann, Jens Langanke | 2018-07-24 |
| 9957352 | Use of urethane alcohols for preparing polyether carbonate polyols | Jörg Hofmann, Monika Heinz, Hartmut Nefzger, Kai Laemmerhold, Bert Klesczewski +2 more | 2018-05-01 |
| 9676905 | Polyether carbonate polyol production method | Thomas Ernst Müller, Christoph Gürtler, Jörg Hofmann, Matthias Wohak, Stefanie Braun +1 more | 2017-06-13 |
| 9468913 | Catalyst and method for the production of chlorine by gas phase oxidation | Leslaw Mleczko, Oliver Felix-Karl Schlüter | 2016-10-18 |
| 9409779 | Catalyst for producing carbon nanotubes by means of the decomposition of gaseous carbon compounds on a heterogeneous catalyst | Sigurd Buchholz, Daniel Gordon Duff, Volker Michele, Leslaw Mleczko, Christian Münnich +1 more | 2016-08-09 |
| 9382417 | Process for the preparation of polyether carbonate polyols | Christoph Gürtler, Jörg Hofmann, Thomas Ernst Müller, Stefan Grasser, Burkhard Kohler | 2016-07-05 |
| 9315622 | Process for the production of polyether carbonate polyols | Jörg Hofmann, Christoph Gürtler, Stefan Grasser | 2016-04-19 |
| 9296859 | Method for producing polyetherester carbonate polyols | Christoph Guertler, Thoams Ernst Mueller, Anthony Kermagoret, Yvonne Dienes, Julien Barruet +1 more | 2016-03-29 |
| 9273183 | Polyether carbonate polyol production method | Thomas Ernst Müller, Christoph Gürtler, Matthias Wohak, Jörg Hofmann, Muhammad Afzal Subhani +2 more | 2016-03-01 |