Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684108 | Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates | Hans-Joachim Muller, Albin Berger, Dieter Littmann, Roger Klimesch, Knut Oppenlander +3 more | 1997-11-04 |
| 5663435 | Reaction products of aminoalkylenecarboxylic acids and mineral oil middle distillates which contain them | Gabriele Dralle-Voss, Knut Oppenlander, Klaus Barthold, Wolfgang Kasel | 1997-09-02 |