Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878802 | Method of producing an alcoholic solutions of polyetrahydrofurane that comprises terminal OH groups | Jurgen Ciprian, Volkmar Menger | 2005-04-12 |
| 6037381 | Preparation of polytetrahydrofuran with terminal hydroxyl groups using ion exchangers | Klaus Beiser, Jurgen Ciprian, Lothar Franz, Wolfgang Franzischka, Christof Palm +4 more | 2000-03-14 |