Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358988 | Water-in-oil emulsions | Herbert Fischer, Hermann Kroke, Brigitte Spei, Volker Wehle, Rainer Jeschke +1 more | 1994-10-25 |
| 5286346 | Deinking of wastepaper with quaternized hydroxyethyl cellulose | Konrad Engelskirchen, Herbert Fischer, Klaus Hornfeck, Doris Oberkobusch | 1994-02-15 |