Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569734 | Preparation of polypyrroles, and films obtained by this method | Herbert Naarmann, Gernot Kohler | 1986-02-11 |
| 4558104 | Continuous preparation of isobutylene polymers | Klaus Bronstert, Hans-Joachim Krause, Werner Schmitt | 1985-12-10 |