Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750262 | Water-absorbing, cellular, cross-linked polymers with improved distribution effect, method for their production and their use | Hans-Joachim Hähnle, Ulrich Schröder, Wolfgang Heider, Gunnar Schornick | 2004-06-15 |
| 6455600 | Water-absorbing, cross-linked polymerizates in the form of a foam, a method for the production thereof, and their use | Hans-Joachim Hähnle, Ulrich Schröder, Martin H. Beck, Wolfgang Heider, Gunnar Schornick | 2002-09-24 |
| 6245410 | Absorber element of superabsorbent foams having anisotropic swelling behavior | Hans-Joachim Hähnle, Manfred Walter, Jurgen Tropsch, Jens Kremeskotter, Gunnar Schornick | 2001-06-12 |
| 6174929 | Water-absorbent cross-linked polymers in foam form | Hans-Joachim Hähnle, Manfred Walter, Jurgen Tropsch, Jens Kremeskotter, Gunnar Schornick | 2001-01-16 |
| 6136873 | Water-absorbing, expanded, crosslinked polymers, the production and use thereof | Hans-Joachim Hähnle, Manfred Walter, Jurgen Tropsch, Gunnar Schornick | 2000-10-24 |
| 5633329 | Preparation of high molecular weight polymers | Hans-Joachim H ahnle, Eckhard Neufeld, Gunnar Schornick, Roland Minges, J urgen Tropsch +1 more | 1997-05-27 |
| 5260396 | Preparation of water resistant films and coatings and use thereof | Matthias Kroner, Heinrich Hartmann, Ekhard Winkler, Juergen Steinmetz | 1993-11-09 |
| 5143595 | Preparation of oxidation-stable and low-temperature-stable base oils and middle distillates | Juergen Thomas, Roland Spahl, Ansgar Eisenbeis, Wolfgang Schmid | 1992-09-01 |
| 4786402 | Preparation of medicinal white oils and medicinal paraffins | Walter Himmel, Matthias Schwarzmann, Heinz Dreyer, Ulrich Lebert, Ansgar Eisenbeis | 1988-11-22 |