Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739391 | Catalytic gas-phase oxidation of acrolein to acrylic acid | Wilhelm Ruppel, Andreas Tenten, Ulrich Hammon | 1998-04-14 |
| 5144091 | Preparation of acrolein or methacrolein by actalytic gas-phase oxidation of propene or isobutene | Hans Martan, Wilhelm Ruppel, Lothar Riekert, Dieter Becker, Michael Kotter | 1992-09-01 |