Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4196130 | Manufacture of cyclic ethers | Otto H. Huchler, Siegfried Winderl, Herwig Hoffmann | 1980-04-01 |
| 4189566 | Polymerization of tetrahydrofuran | Otto H. Huchler, Herwig Hoffmann | 1980-02-19 |