Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696996 | Preparation of polyphenylene ethers, and an apparatus for this purpose | Hermann Brandt, Hermann Fischer, Hermann Dreher, Eduard Heil, Juergen Hambrecht +6 more | 1987-09-29 |
| 4654418 | Continuous removal of the catalyst from polyphenylene ethers | Rosemarie Berger, Hermann Dreher, Juergen Hambrecht, Eduard Heil, Rudi W. Reffert +2 more | 1987-03-31 |
| 4605699 | Thermoplastic molding compositions containing polycarbonate and an acrylate graft copolymer | Konrad Mitulla, Juergen Hambrecht, Adolf Echte, Johann Swoboda, Josef Schwaab +1 more | 1986-08-12 |
| 4603169 | Thermoplastic molding compositions containing polycarbonate and a graft copolymer of resin-forming monomers on a rubber | Konrad Mitulla, Juergen Hambrecht, Adolf Echte, Johann Swoboda | 1986-07-29 |
| 4421875 | Process for the manufacture of impact resistant thermoplastic molding materials | Graham E. McKee, Franz Brandstetter, Adolf Echte, Juergen Hambrecht, Heinz-Juergen Overhoff +2 more | 1983-12-20 |