Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358988 | Water-in-oil emulsions | Ludwig Schieferstein, Herbert Fischer, Hermann Kroke, Brigitte Spei, Volker Wehle +1 more | 1994-10-25 |
| 5296622 | Quaternized esters | Guenter Uphues, Uwe Ploog, Peter Waltenberger | 1994-03-22 |