Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654418 | Continuous removal of the catalyst from polyphenylene ethers | Rosemarie Berger, Hermann Dreher, Juergen Hambrecht, Eduard Heil, Johann Swoboda +2 more | 1987-03-31 |
| 4536567 | Removal of the catalyst from polyphenylene ethers | Juergen Hambrecht, Peter Minges, Johann Swoboda | 1985-08-20 |
| 4503219 | Treatment of (Co)polymers to remove residual monomers | Juergen Hambrecht, Rudolf H. Jung, Adolf Echte | 1985-03-05 |
| 4496679 | Stabilization of polyphenylene ether solutions | Juergen Hambrecht, Adolf Echte, Johann Swoboda | 1985-01-29 |
| 4482705 | Removal of the catalyst from polyphenylene ethers | Juergen Hambrecht, Volker Muench, Adolf Echte, Johann Swoboda | 1984-11-13 |
| 4460764 | Removal of the catalyst from polyphenylene ethers | Juergen Hambrecht, Adolf Echte, Hans H. Schuster, Hermann Dreher | 1984-07-17 |
| 4436870 | Production of molding materials containing polyphenylene ethers | Klaus Hinselmann, Herbert Naarmann, Adolf Echte, Eduard Heil, Albert Nikles +1 more | 1984-03-13 |