Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804099 | Polysiloxane-polyoxyethylene-polyoxypropylene triblock copolymers and defoaming compounds containing them | Wernfried Heilen, Hans-Leo Karminski, Michael Keup, Otto Klocker, Stefan Silber +1 more | 1998-09-08 |
| 5613988 | Use of organofunctionally modified polysiloxanes for defoaming diesel | Michael Keup, Kerstin Kugel, Peter Lersch, Stefan Silber | 1997-03-25 |