Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686373 | Polymetal oxide materials | Friedrich-Georg Martin, Hartmut Hibst, Laszlo Marosi, Veronika Kohl | 1997-11-11 |
| 5684188 | Continuous heterogeneously catalyzed gas-phase oxidation of propylene to acrolein, acrylic acid or a mixture thereof | Werner Hefner, Otto Machhammer, Hans-Peter Neumann, Wilhelm Ruppel, Herbert Vogel | 1997-11-04 |
| 5677261 | Preparation of a catalyst consisting of a carrier and a catalytically active oxide material applied to the surface of the carrier | Peter Weidlich, Gerd Linden | 1997-10-14 |
| 5637546 | Preparation of catalytically active poly-metal oxide materials which contain the elements V and Mo in oxide form as basic components | Ulrich Hammon, Peter Weidlich | 1997-06-10 |