Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888243 | Process for antistatic treatment of plastic mouldings | Werner Waldenrath | 1989-12-19 |
| 4853289 | Magnetic lacquer dispersions, process for their production and their use | Peter Schick, Lutz Leitner | 1989-08-01 |
| 4849492 | Polyhydantoins containing sulphone groups | Gerhard Heywang, Rudolf Merten, Werner Schmidtberg | 1989-07-18 |
| 4849520 | Fusible, electrically conductive TCNQ complexes, methods for their preparation and their application | Gerhard Kossmehl, Detlef Kabbeck-Kupijai | 1989-07-18 |