Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175316 | Cyclic preparation of cyclohexene oxide, cyclohexanol and cyclohexanone | David Agar, Paul-Michael Bever, Gerald Neubauer | 1992-12-29 |
| 4891420 | Continuous process for the hydrolytic production of polycaprolactam by tempering unextracted granular polymer material with moist inert gas | Wolfgang Martin, James R. Ryffel, Chih-Peng Wen | 1990-01-02 |
| 4482696 | Avoiding an explosive gas phase in gas/liquid reactions | Hermann Dreher, Juergen Hambrecht | 1984-11-13 |
| 4460764 | Removal of the catalyst from polyphenylene ethers | Rudi W. Reffert, Juergen Hambrecht, Adolf Echte, Hermann Dreher | 1984-07-17 |
| 4387189 | Thermoplastic molding materials containing polymers with polyphenylene ether groups and styrene polymers | Franz Brandstetter, Juergen Hambrecht, Herbert Naarmann | 1983-06-07 |