Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857616 | Process for the preparation of polychloroprene | Rudiger Musch, Gerhard Hohmann, Karl-Heinz Schabel | 1989-08-15 |
| 4814401 | Polymerization of chloroprene with xanthates and dithiocarbamates | Werner Obrecht, Peter Wendling, Wilhelm Gobel | 1989-03-21 |
| 4809292 | Method and device to transform electromagnetic waves | — | 1989-02-28 |