Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326018 | Process for the synthesis of polyoxazolidinone compounds | Anna WEBER, Claudine Rangheard, Michael Richard Kessler, Walter Leitner, Christoph Gürtler +1 more | 2022-05-10 |
| 11319398 | Method for the production of polyoxazolidinone polymer compounds | Christoph Gürtler, Carsten Koopmans, Volker Marker, Claudine Rangheard, Walter Leitner | 2022-05-03 |
| 11149145 | Dithiocarbonate containing polyols as polymer polyol stabilizers | Rick L. Adkins, Jack R. Reese, Christoph Gürtler, Urs Rauwald, Muhammad Afzal Subhani +3 more | 2021-10-19 |
| 11098153 | Method for producing a multiple bond-containing prepolymer as elastomer precursor | Muhammad Afzal Subhani, Burkhard Koehler, Walter Leitner, Christoph Gürtler | 2021-08-24 |
| 10526484 | Dithiocarbonate containing polyols as polymer polyol stabilizers | Rick L. Adkins, Jack R. Reese, Christoph Gürtler, Urs Rauwald, Muhammad Afzal Subhani +3 more | 2020-01-07 |
| 10385167 | Process for the synthesis of polyoxazolidinone compounds with high stability | Christoph Gürtler, Susmit Basu, Claudine Rangheard, David Rivillo, Walter Leitner +1 more | 2019-08-20 |
| 10364323 | Method for producing polyether carbonate polyols | Christoph Gürtler, Michael Pohl, Muhammad Afzal Subhani, Walter Leitner | 2019-07-30 |
| 10358526 | Moisture-curing polyether carbonate containing alkoxysilyl groups | Christoph Gürtler, Muhammad Afzal Subhani, Burkhard Koehler | 2019-07-23 |
| 10239995 | Process for preparing polyether carbonate polyols | Jörg Hofmann, Michael Pohl, Walter Leitner | 2019-03-26 |
| 10179835 | Radical crosslinking of polyether carbonate polyols that have electron-poor and electron-rich double bonds | Christoph Gürtler, Muhammad Afzal Subhani, Burkhard Kohler, Walter Leitner | 2019-01-15 |
| 10167364 | Process for preparing polycarbonates by transesterifying dithiocarbonates or selenium analogues thereof with bisphenols | Christoph Gürtler, Nicolai Kolb, Burkhard Kohler, Walter Leitner, Jan Heijl +1 more | 2019-01-01 |
| 10138328 | Method for producing polyether carbonate polyols | Christoph Gürtler, Matthias Wohak, Jörg Hofmann, Carlson Torren | 2018-11-27 |
| 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 |
| 9957354 | Higher functional polyether carbonate polyols obtained using branching molecules | Christoph Gürtler, Muhammad Afzal Subhani, Burkhard Kohler, Walter Leitner | 2018-05-01 |
| 9957353 | Low viscosity polyether carbonate polyols having side chains | Christoph Gürtler, Muhammad Afzal Subhani, Walter Leitner | 2018-05-01 |
| 9708446 | Cross-linking of polyether carbonate polyols containing double-bonds, by adding mercapto-compounds | Christoph Gürtler, Muhammad Afzal Subhani, Burkhard Kohler, Walter Leitner | 2017-07-18 |
| 9688814 | Functionalized polyoxymethylene block copolymers | Christoph Gürtler, Walter Leitner, Henning Vogt, Gabor Barath | 2017-06-27 |
| 9676905 | Polyether carbonate polyol production method | Christoph Gürtler, Jörg Hofmann, Matthias Wohak, Stefanie Braun, Aurel Wolf +1 more | 2017-06-13 |
| 9657135 | Method for producing polyether ester carbonate polyols | Christoph Gürtler, Muhammad Afzal Subhani, Walter Leitner | 2017-05-23 |
| 9534090 | NCO-modified polyoxymethylene block copolymers | Christoph Gürtler, Walter Leitner, Henning Vogt, Gabor Barath | 2017-01-03 |
| 9469715 | Method for producing formaldehyde/CO2 copolymers | Christoph Gürtler, Henning Vogt, Mario Krautschick, Walter Leitner | 2016-10-18 |
| 9403754 | Process for hydrogenating aromatic di- and polyamines | Christoph Gürtler, Reinhard Halpaap, Christoph Thiebes, Ewa Gebauer-Henke, Isabel U. Castro Cevallos +1 more | 2016-08-02 |
| 9382417 | Process for the preparation of polyether carbonate polyols | Christoph Gürtler, Jörg Hofmann, Aurel Wolf, Stefan Grasser, Burkhard Kohler | 2016-07-05 |
| 9309356 | Method for activating double metal cyanide catalysts for the production of polyether carbonate polyols | Christoph Gürtler, Yvonne Dienes, Julien Barruet, Burkhard Kohler, Walter Leitner | 2016-04-12 |
| 9278906 | Process for hydrogenating aromatic di- and polyamines to cycloaliphatic di- and polyamines | Christoph Gürtler, Reinhard Halpaap, Ewa Gebauer-Henke, Walter Leitner, Patrick Tomkins +1 more | 2016-03-08 |