Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174867 | Preparation of electrically conductive, finely divided pyrrole polymers | Herbert Naarmann, Walter Heckmann, Gernot Koehler | 1992-12-29 |
| 4568483 | Electrically conductive pyrrole copolymers and their preparation | Herbert Naarmann, Gernot Kohler | 1986-02-04 |
| 4567250 | Preparation of finely divided electrically conductive pyrrole polymers | Herbert Naarmann, Walter Heckmann, Gernot Kohler | 1986-01-28 |
| 4518535 | Preparation of electrically conductive systems from substituted phenalenes, and the products obtained | Herbert Naarmann, Volker Muench, Gernot Kohler | 1985-05-21 |
| 4488986 | Preparation of electrically conductive polyarylene compounds having electron-attracting side groups | Herbert Naarmann, Gernot Kohler | 1984-12-18 |
| 4412942 | Preparation of electrically conductive polymers | Herbert Naarmann, Klaus Penzien, Johannes Schlag | 1983-11-01 |
| 4411826 | Preparation of stable electrically conductive polymers | Herbert Naarmann, Klaus Penzien, Johannes Schlag | 1983-10-25 |