Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663435 | Reaction products of aminoalkylenecarboxylic acids and mineral oil middle distillates which contain them | Gabriele Dralle-Voss, Knut Oppenlander, Bernd Wenderoth, Wolfgang Kasel | 1997-09-02 |