Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519276 | Use of alcohols which contain at least two urethane groups for producing polyether carbonate polyols | Urs Rauwald, Jörg Hofmann, Bert Klesczewski, Aurel Wolf, Jens Langanke | 2019-12-31 |
| 10487175 | Use of alcohols containing at least two urethane groups for preparation of polyether polyols | Jörg Hofmann, Urs Rauwald, Bert Klesczewski | 2019-11-26 |
| 10253134 | Rigid PUR/PIR foams of isopropylidenediphenol-based polyethers | Stephan Schleiermacher, Klaus Lorenz | 2019-04-09 |