Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070136 | Aqueous polymer dispersions for coating wood | Rolf Dersch, Heinrich Dehne, Roland Gellert, Dietrich-Wolfgang Mueller, Eckehardt Wistuba | 1991-12-03 |
| 5047295 | Concrete roof tile | Bernhard Dotzauer, Rolf Dersch, Harutyun Hanciogullari, Manfred Schwartz, Volkmar Berg | 1991-09-10 |
| 5025062 | Coating materials based on synthetic resin | Gregor Ley, Wolfgang Schultze, Eckehardt Wistuba | 1991-06-18 |