Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536567 | Removal of the catalyst from polyphenylene ethers | Juergen Hambrecht, Rudi W. Reffert, Johann Swoboda | 1985-08-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536567 | Removal of the catalyst from polyphenylene ethers | Juergen Hambrecht, Rudi W. Reffert, Johann Swoboda | 1985-08-20 |