Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519276 | Use of alcohols which contain at least two urethane groups for producing polyether carbonate polyols | Urs Rauwald, Bert Klesczewski, Hartmut Nefzger, Aurel Wolf, Jens Langanke | 2019-12-31 |
| 10487175 | Use of alcohols containing at least two urethane groups for preparation of polyether polyols | Urs Rauwald, Bert Klesczewski, Hartmut Nefzger | 2019-11-26 |
| 10421836 | Process for purifying polycarbonate polyols and purifying apparatus therefor | Stefanie Braun, Kai Laemmerhold, Matthias Wohak, Cyrus Ahmadzade-Youssefi, Jürgen Bausa | 2019-09-24 |
| 10239995 | Process for preparing polyether carbonate polyols | Thomas Ernst Müller, Michael Pohl, Walter Leitner | 2019-03-26 |
| 10233298 | Polyurethane foams based on polyether carbonate polyols | Bert Klesczewski, Kai Laemmerhold | 2019-03-19 |
| 10208162 | Method for the production of polyether carbonate polyols and device therefor | Stefanie Braun, Horst Zwick, Matthias Wohak, Aurel Wolf, Michael Traving +1 more | 2019-02-19 |