Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912236 | Purification of tetrahydrofuran by distillation | Christof Palm, Ulrich-Dieter Pessel, Erdmann Hollborn, Dieter Schmitt | 1990-03-27 |
| 4363924 | Depolymerization of polytetramethylene glycol ethers | Herbert Mueller | 1982-12-14 |
| 4259531 | Polymerization of tetrahydrofuran to prepare polytetramethylene ether glycols | Walter Mesch, Siegfried Winderl, Herbert Mueller, Herwig Hoffmann | 1981-03-31 |
| 4243799 | Polymerization of tetrahydrofuran | Herbert Mueller, Herwig Hoffmann | 1981-01-06 |
| 4233228 | Purification of tetrahydrofuran | Herbert Mueller | 1980-11-11 |
| 4203908 | Manufacture of cyclic ethers | Herbert Mueller | 1980-05-20 |
| 4196130 | Manufacture of cyclic ethers | Siegfried Winderl, Herbert Mueller, Herwig Hoffmann | 1980-04-01 |
| 4189566 | Polymerization of tetrahydrofuran | Herbert Mueller, Herwig Hoffmann | 1980-02-19 |