Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700351 | Antifoams based on oil-in-water emulsions for the paper industry | Rudolf Schuhmacher, Gabriele Dralle-Voss, Knut Oppenlaender, Andreas Hohmann | 1997-12-23 |
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Brigitte Wegner
Overall (1997): #170,693 of 185,788Top 95%
1
Patents 1997