Issued Patents All Time
Showing 51–51 of 51 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, Hans-Peter Neumann, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel | 1997-11-04 |