Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684188 | Continuous heterogeneously catalyzed gas-phase oxidation of propylene to acrolein, acrylic acid or a mixture thereof | Werner Hefner, Otto Machhammer, Hans-Peter Neumann, Andreas Tenten, Wilhelm Ruppel | 1997-11-04 |
| 5618954 | Preparation of 3,4-epoxy-1-butene | Stefan Boeck, Klaus Herzog, Rolf Fischer, Martin Fischer | 1997-04-08 |