Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696996 | Preparation of polyphenylene ethers, and an apparatus for this purpose | Hermann Brandt, Hermann Fischer, Eduard Heil, Juergen Hambrecht, Herbert Naarmann +6 more | 1987-09-29 |
| 4654418 | Continuous removal of the catalyst from polyphenylene ethers | Rosemarie Berger, Juergen Hambrecht, Eduard Heil, Rudi W. Reffert, Johann Swoboda +2 more | 1987-03-31 |
| 4482696 | Avoiding an explosive gas phase in gas/liquid reactions | Hans H. Schuster, Juergen Hambrecht | 1984-11-13 |
| 4460764 | Removal of the catalyst from polyphenylene ethers | Rudi W. Reffert, Juergen Hambrecht, Adolf Echte, Hans H. Schuster | 1984-07-17 |