Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767861 | Method for producing trivalent organophosphorus compounds | Dagmara Ortmann, Klaus-Diether Wiese, Dirk Fridag | 2010-08-03 |
| 7317130 | Method for the hydroformylation of olefinically unsaturated compounds, especially olefins, in the presence of cyclic carbonic acid esters | Dirk Fridag, Cornelia Borgmann, Dieter Hess, Klaus-Diether Wiese | 2008-01-08 |