Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670125 | Production of bipolar membranes | Hermann Puetter | 1987-06-02 |
| 4444667 | Flocculant for sludges | Hans Burkert, Friedrich Brunnmueller, Karl-Heinz Beyer, Michael Kroener | 1984-04-24 |
| 4421602 | Linear basic polymers, their preparation and their use | Fritz Brunnmueller, Rolf Schneider, Michael Kroener, Friedrich Linhart | 1983-12-20 |
| 4324724 | Manufacture of polyalkylenepolyamines | Klaus Wulz, Karl-Heinz Beyer, Werner Streit | 1982-04-13 |
| 4240963 | Preparation of indolenines | Harald Laas, Axel Nissen, Hans-Joachim Opgenorth, Horst Scheuermann, Wolfgang Schulte | 1980-12-23 |
| 4207243 | Preparation of 2,5-dimethylfuran-3-carboxylic acid alkyl esters | Friedrich Linhart, Bjoern Girgensohn, Hans Rupert Merkle, Hardo Siegel | 1980-06-10 |