Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003830 | Method for improving the color number of trimethylolpropane | Wolfgang Mägerlein, Ulrich Notheis, Michael Friederich, Hans-Dieter Gerriets, Heinrich Grizinia | 2011-08-23 |