Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656200 | Foaming emulsions | Axel Boettcher, Hermann Hensen, Werner Seipel | 1997-08-12 |
| 5650158 | Skin-conditioning succinic acid derivatives | Horst Eierdanz, Peter Busch, Walter Knoerr, Rolf Wachter | 1997-07-22 |