Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689731 | Phosphoric esters as emulsifiers and dispersants | Eberhard Esselborn, Kathrin Lehmann, Ellen Reuter, Stefan Silber, Andreas Stüttgen | 2004-02-10 |
| 5804099 | Polysiloxane-polyoxyethylene-polyoxypropylene triblock copolymers and defoaming compounds containing them | Hans-Leo Karminski, Michael Keup, Otto Klocker, Stefan Silber, Roland Spiegler +1 more | 1998-09-08 |
| 4906403 | Defoaming and deaerating composition and method | Roland Berger, Hans-Ferdi Fink, Hubert Holthoff, Christian Weitemeyer | 1990-03-06 |
| 4886551 | Method for improving the scratch resistance and increasing the sliding ability of coated surfaces and improved coating materials | Hans-Ferdi Fink, Roland Berger, Peter Muss | 1989-12-12 |
| 4692267 | Use of polymers of alkylvinyl ethers to prevent or eliminate foam on aqueous media | Jurgen Fock, Eberhard Esselborn, Hans-Ferdi Fink | 1987-09-08 |