Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404126 | Preparation of electrically conductive polymeric systems | Volker Muench, Klaus Penzien | 1983-09-13 |
| 4401545 | Electrically conductive polypyrrole derivatives | Dieter Naegele, Klaus Penzien, Johannes Schlag, Volker Kiener, Hugo Boehm | 1983-08-30 |
| 4395497 | Preparation of electrically conductive soluble heteropolyphenylenes | Dieter Naegele, Klaus Penzien, Johannes Schlag | 1983-07-26 |
| 4387189 | Thermoplastic molding materials containing polymers with polyphenylene ether groups and styrene polymers | Franz Brandstetter, Juergen Hambrecht, Hans H. Schuster | 1983-06-07 |
| 4386203 | Halogen-containing s-triazines | Klaus Penzien, Franz Brandstetter, Gerhard Lindenschmidt, Erhard Seiler | 1983-05-31 |
| 4360455 | Preparation of mixtures of brominated polystyrenes and brominated aromatic compounds | Gerhard Lindenschmidt, Wolfgang Schulte, Franz Brandstetter, Klaus Penzien | 1982-11-23 |
| 4360644 | Preparation of electrically conductive polyaromatics | Dieter Naegele, Klaus Penzien, Johannes Schlag | 1982-11-23 |
| 4359563 | Preparation of acetylene copolymers | Klaus Penzien, Heinz Viehe | 1982-11-16 |
| 4355093 | Laminate useful for the production of printing plates and relief plates | Heinrich Hartmann, Gerhard Hoffmann, Werner Lenz, John Lynch | 1982-10-19 |
| 4344869 | Preparation of electrically conductive hetero-poly-phenylenes | Gerd Blinne, Klaus Penzien | 1982-08-17 |
| 4344870 | Preparation of electrically conductive hetero-polyaromatics | Gerd Blinne, Klaus Penzien | 1982-08-17 |
| 4340507 | Preparation of electrically conductive polyaromatics, and their use in the electrical industry and for rendering plastics antistatic | Dieter Naegele, Klaus Penzien, Johannes Schlag | 1982-07-20 |
| 4336201 | Preparation of electrically conductive carotenoids | Franz Feichtmayr, Joachim Paust, Klaus Penzien | 1982-06-22 |
| 4315089 | Polymers containing aromatic aldehyde groups | Guenter Wulff, Ahmed Akelah | 1982-02-09 |
| 4311636 | Flame-retardant thermoplastic materials and molded parts therefrom | Klaus Hahn, Walter Himmele, Klaus Penzien | 1982-01-19 |
| 4301272 | Addition polymers of dimorpholone compounds and diamines | Hans-Juergen Degen | 1981-11-17 |
| 4293656 | Flame retardant polystyrene | Klaus Hahn, Klaus Penzien | 1981-10-06 |
| 4286959 | Disperse dye formulations | Dieter Horn, Ewald Daubach, Erwin Hahn, Herbert Uhrig, Richard Hoene | 1981-09-01 |
| 4277588 | Preparation of acetylene copolymers | Klaus Penzien, Helmut Doerfel, Albrecht Eckell | 1981-07-07 |
| 4272583 | Flameproofed expandable styrene polymers | Klaus Hahn, Klaus Penzien, Heinz Weber | 1981-06-09 |
| 4205144 | Preparation of graft copolymers | Graham E. McKee, Burghard Schmitt | 1980-05-27 |
| 4200702 | Self-extinguishing thermoplastic molding compositions | Hermann Gausepohl, Klaus Penzien, Rudolf Stephan | 1980-04-29 |