Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589378 | Process for producing laminated sheets or films and moldings having UV-stability and thermal aging resistance | Achim Grefenstein, Gerhard Lindenschmidt, Carsten Netze | 2003-07-08 |
| 5444123 | Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene | Norbert Niessner, Friedrich Seitz, Ranier Neumann, Stefan Seelert | 1995-08-22 |
| 5405890 | Flameproofed black polyamide molding materials | Petra Baierweck, Brigitte Gareiss, Heiner Goerrissen, Karlheinz Ulmerich, Klaus Muehlbach +1 more | 1995-04-11 |
| 5276256 | Flameproofed chlorine-and bromine-free molding composition | Norbert Niessner, Rainer Neumann, Karl Ruppmich, Friedrich Seitz | 1994-01-04 |
| 5237039 | Preparation of polyphenylene ethers in the presence of defoamer | Peter Steieri, Heike Feldman, Klaus Muehlbach, Carola Hedtmann-Rein, Bernhard Czauderna +1 more | 1993-08-17 |
| 5219907 | Flameproofed molding composition | Norbert Niessner, Rainer Neumann, Karl Ruppmich, Friedrich Seitz | 1993-06-15 |
| 5200633 | Sensor material for measuring the partial pressure of gases or vapors; and gas sensors | Franz Dickert, Gert Mages, Heinz Kimmel | 1993-04-06 |