Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329448 | Method for producing dyed moulding materials | Herbert Gutsche, Rainer Anderlik, Norbert Kress, Dieter Gress, Bernd Brian +3 more | 2001-12-11 |
| 4957965 | Thermoplastic molding materials | Christof Taubitz, Klaus Muehlbach, Klaus Boehlke | 1990-09-18 |
| 4948832 | Reinforced thermoplastic molding materials based on polyphenylene ether | Bertram Ostermayer, Ehrenfried Baumgartner, Rainer Bueschl, Klaus Boehlke, Erhard Seiler +1 more | 1990-08-14 |
| 4868235 | Thermoplastic molding materials | Klaus Muehlbach, Michael Portugall, Karl Ruppmich, Erhard Seiler | 1989-09-19 |
| 4696996 | Preparation of polyphenylene ethers, and an apparatus for this purpose | Hermann Fischer, Hermann Dreher, Eduard Heil, Juergen Hambrecht, Herbert Naarmann +6 more | 1987-09-29 |