Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875898 | Process for preparing phenols | Manfred Weber, Reinhard Sigg, Michael Lausmann | 2005-04-05 |
| 6630608 | Process for preparing phenols | Uwe Tanger, Reinhard Sigg, Manfred Weber | 2003-10-07 |