Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880585 | Continuous method of tableting | Roger Klimesch, Gerhard Bleckmann, Karl-Peter Farwerck, Hans-Helmut Goertz | 1989-11-14 |
| 4797453 | Graft polymers of polyphenylene ethers | Christof Taubitz, Hermann Gausepohl, Erhard Seiler | 1989-01-10 |