Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632946 | Halogen-free flameproofed thermoplastic molding material | Juergen Hambrecht, Adolf Echte, Karl H. Illers, Johann Swoboda | 1986-12-30 |
| 4618633 | Halogen-free self-extinguishing thermoplastic molding material | Christof Taubitz, Juergen Hambrecht, Adolf Echte, Karl H. Illers | 1986-10-21 |
| 4618636 | Flameproofed thermoplastic molding material comprising a novolak resin | Juergen Hambrecht, Herbert Naarmann, Adolf Echte, Karl H. Illers | 1986-10-21 |
| 4618668 | Preparation of polyphenylene ethers | Juergen Hambrecht, Walter Himmele, Adolf Echte, Johann Swoboda | 1986-10-21 |
| 4551493 | Transparent flame-retardant poly(arylether-arylsulfone) molding materials | Gerd Blinne | 1985-11-05 |
| 4518535 | Preparation of electrically conductive systems from substituted phenalenes, and the products obtained | Herbert Naarmann, Gernot Kohler, Petr Simak | 1985-05-21 |
| 4482705 | Removal of the catalyst from polyphenylene ethers | Juergen Hambrecht, Rudi W. Reffert, Adolf Echte, Johann Swoboda | 1984-11-13 |
| 4468509 | Reversibly oxidizable or reducible polymers containing polyene units, their preparation and their use | Herbert Naarmann, Klaus-Dieter Franz | 1984-08-28 |
| 4464511 | Polymers which have two or more stable, reversibly interconvertible oxidation states, their preparation and their use | Herbert Naarmann, Klaus Penzien, Klaus-Dieter Franz | 1984-08-07 |
| 4440693 | Preparation of electrically conductive products | Herbert Naarmann, Klaus Penzien, Klaus-Dieter Franz | 1984-04-03 |
| 4436854 | Self-extinguishing thermoplastic molding material | Franz Brandstetter, Herbert Naarmann, Edmund Priebe | 1984-03-13 |
| 4418187 | Preparation of electrically conductive polymers | Herbert Naarmann, Klaus Penzien | 1983-11-29 |
| 4404126 | Preparation of electrically conductive polymeric systems | Herbert Naarmann, Klaus Penzien | 1983-09-13 |