Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661220 | Reaction products of olefinically unsaturated carboxylic acids and polyetherols and their use as demulsifiers for crude oil emulsions | Joachim Roser, Heinrich Hartmann, Hans-Henning Vogel, Wilhelmus Slotman, Gerd Konrad | 1997-08-26 |
| 5639361 | Binder system for electrodeposition coating | Klaus Humke, Udo Strauss, Hans Schupp, Thomas Schwerzel, Helmut Fobbe | 1997-06-17 |