Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998504 | Method for the catalytic gas phase oxidation of propene into acrylic acid | Signe Unverricht, Heiko Arnold, Andreas Tenten, Ulrich Hammon, Klaus Harth | 2006-02-14 |
| 6846965 | Method for the oligomerization of C2 C8-olefins | Ralf Schulz, Marc Walter, Wolfgang Brox | 2005-01-25 |
| 6525217 | Method for the catalytic gas-phase oxidation of propene to acrylic acid | Signe Unverricht, Heiko Arnold, Andreas Tenten, Ulrich Hammon, Klaus Harth | 2003-02-25 |
| 6395936 | Method for the catalytic gas phase oxidation of propene into acrolein | Heiko Arnold, Signe Unverricht, Ulrich Hammon, Klaus Harth, Andreas Tenten | 2002-05-28 |
| 6383976 | Multimetal oxide material for gas-phase catalytic oxidation of organic compounds | Heiko Arnold, Klaus Harth, Ulrich Hammon, Raimund Felder | 2002-05-07 |
| 6090977 | Continuous heterogeneously catalyzed gas-phase partial oxidation of an organic compound | Werner Hefner, Otto Machhammer, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel | 2000-07-18 |
| 5808143 | Catalyst based on oxides of Fe, Co, Bi and Mo | Lothar Karrer, Hans-Dieter Eichhorn, Robin Stuart Jarret | 1998-09-15 |
| 5705684 | Preparation of acrolein, acrylic acid or a mixture thereof from propane | Werner Hefner, Otto Machhammer, Andreas Tenten, Wilhelm Ruppel, 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, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel | 1997-11-04 |
| 5583084 | Multimetal oxide compositions | Friedrich-Georg Martin, Hartmut Hibst | 1996-12-10 |
| 5583086 | Cesium containing multimetal oxide catalyst compositions for the preparation of methacrolein by gas-phase-catalytic oxidation | Andreas Tenten, Herbert Exner | 1996-12-10 |
| 5449821 | Multimetal oxide compositions for gas-phase catalytic oxidation | Hans Martan, Hermann Petersen, Walter Doerflinger | 1995-09-12 |
| 5364825 | Multimetal oxide compositions and process of preparing same | Hans Martan, Hermann Petersen, Walter Doerflinger | 1994-11-15 |
| 5264625 | Catalytic gas-phase oxidation of acrolein to acrylic acid | Ulrich Hammon, Klaus Herzog | 1993-11-23 |
| 5231226 | Catalytic gas-phase oxidation of methacrolein to methacrylic acid | Ulrich Hammon, Klaus Herzog | 1993-07-27 |