Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264961 | Oil-water emulsifiers | Achim Ansmann, Rolf Kawa, Helga Gondek, Josef Koester | 2001-07-24 |
| 5939081 | Esters of alkyl and/or alkenyl oligoglycosides with fatty acids | Achim Ansmann, Rolf Kawa, Norman Milstein | 1999-08-17 |