Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069226 | Process for the preparation of polytetramethylene ether glycol diester using an aluminosilicate type catalyst | — | 2000-05-30 |
| 4237291 | Process for the isolation of ergot alkaloids from culture suspensions | Werner Grawert, Ludwig Schiedt, Brigitte Neumann, Karlheinz Heidenbluth, Christoph Dauth +1 more | 1980-12-02 |