Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9115110 | Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production | Guido D. Frey, Kurt Schalapski, Dirk Bermann, Heinz Strutz, Donald K. Raff | 2015-08-25 |