Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331059 | Hydrophilic, highly swellable hydrogels | Friedrich Engelhardt, Rüdiger Funk, Ulrich Riegel, Hanss-Jerg Kleiner | 1994-07-19 |
| 5276247 | Process for obtaining the hydrocarbon from a hydrocarbon-rich gel | Fritz Engelhardt, Werner Zschau | 1994-01-04 |
| 5276248 | Process for the storage and transportation of liquid hydrocarbons | Fritz Engelhardt, Heinz Hoffmann, Gerhard Platz, Werner Ritschel | 1994-01-04 |