| 5571764 |
Absorbent for water and aqueous solutions |
Rainer Greve, Ulrich Riegel, Fritz Engelhardt |
1996-11-05 |
| 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 |
| 5236965 |
Hydrophilic, swellable polymers |
Friedrich Engelhardt |
1993-08-17 |
| 5214075 |
Hydrophilic, swellable polymers |
Friedrich Engelhardt |
1993-05-25 |
| 5182312 |
Hydrophilic, swellable polymers |
Friedrich Engelhardt |
1993-01-26 |
| 5082059 |
Use of hydrocarbon-rich gels as fracturing fluids |
Friedrich Engelhardt |
1992-01-21 |