Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7253308 | Method for catalytic phase oxidation to (meth) acrolein and/or (meth) acrylic acid | Otto Machhammer, Gerhard Olbert, Uwe Stabel, Peter Zehner | 2007-08-07 |
| 7238827 | Preparation of at least one partial oxidation and/or ammoxidation product of propylene | Gotz-Peter Schindler, Jochen Petzoldt, Christoph Adami, Otto Machhammer, Klaus Joachim Müller-Engel +1 more | 2007-07-03 |
| 7214821 | Preparation of (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed partial oxidation of C3 and/or C4 precursor compounds | Gerhard Olbert, Dietmar Loewen | 2007-05-08 |
| 7109374 | Method for the continuous extraction of (meth)acrylic acid | Otto Machhammer, Christoph Adami, Juergen Schroeder, Volker Schliephake, Joachim Thiel +1 more | 2006-09-19 |
| 6740779 | Method for carrying out the catalytic gas phase oxidation of propene to form acrylic acid | Andreas Tenten, Hartmut Hibst, Otto Machhammer, Klaus Joachim Müller-Engel, Signe Unverricht | 2004-05-25 |
| 6624315 | Method of gas phase catalytic oxidation to give maleic acid anhydride | Peter Zehner, Otto Machhammer, Alexander Weck, Gerhard Olbert, Uwe Stabel | 2003-09-23 |
| 5342488 | Separation of 1,4-butanediol from hydrogenation mixtures | Hans-Juergen Gosch, Harald Rust, Rolf Fischer, Rolf Pinkos | 1994-08-30 |
| 5073650 | Preparation of 1,4-butanediol | Uwe Stabel, Hans-Juergen Gosch, Rolf Fischer, Wolfgang Harder | 1991-12-17 |