Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739391 | Catalytic gas-phase oxidation of acrolein to acrylic acid | Ulrike Wegerle, Andreas Tenten, Ulrich Hammon | 1998-04-14 |
| 5705684 | Preparation of acrolein, acrylic acid or a mixture thereof from propane | Werner Hefner, Otto Machhammer, Hans-Peter Neumann, Andreas Tenten, Herbert Vogel | 1998-01-06 |
| 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, Herbert Vogel | 1997-11-04 |
| 5225574 | Preparation of phthalic anhydride from o-xylene | Heinrich Aichinger, Rolf Seubert, Karl-Heinz Boehning, Walter Scheidmeir, Johannes E. Schmidt +1 more | 1993-07-06 |
| 5149884 | Tube bundle reactor, use thereof in exothermic organic reactions, and preparation of ketones and aldehydes using same | Karl Brenner, Otto Woerz, Klaus Halbritter, Hans-Juergen Scheiper, Werner Aquila +1 more | 1992-09-22 |
| 5144091 | Preparation of acrolein or methacrolein by actalytic gas-phase oxidation of propene or isobutene | Hans Martan, Ulrike Wegerle, Lothar Riekert, Dieter Becker, Michael Kotter | 1992-09-01 |
| 4816606 | Continuous preparation of aldehydes and ketones | Karl Brenner, Manfred Eggersdorfer, Harald Schultheiss, Hans-Ulrich Scholz | 1989-03-28 |