Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712942 | Working up a mixture comprising alkene and oxygen | Joaquim Henrique Teles, Alwin Rehfinger, Peter Bassler, Norbert Rieber, Anne Wenzel +1 more | 2004-03-30 |
| 6278033 | Catalyst and process for purifying streams of materials | Klemens Flick, Ruprecht Meissner, Rainer Feser, Fabian Kunz | 2001-08-21 |
| 6204218 | Catalyst and process for purifying streams of materials | Klemens Flick, Ruprecht Meissner, Rainer Feser, Fabian Kunz | 2001-03-20 |
| 6090977 | Continuous heterogeneously catalyzed gas-phase partial oxidation of an organic compound | Otto Machhammer, Hans-Peter Neumann, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel | 2000-07-18 |
| 5705684 | Preparation of acrolein, acrylic acid or a mixture thereof from propane | Otto Machhammer, Hans-Peter Neumann, 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 | Otto Machhammer, Hans-Peter Neumann, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel | 1997-11-04 |
| 5248427 | Removal of water from mixtures with alcohols and/or carboxylic acids and/or carboxylic esters | Luise Spiske, Harald Meissner, Andreas Huebner, Hermann Steinhauser, Guido Ellinghorst | 1993-09-28 |
| 5051188 | Removal of water from a mixture of water, CO.sub.2 and amines | Luise Spiske, Dietrich Luetzow, Christof Herion, Klaus Kuessner | 1991-09-24 |
| 4999031 | Removing CO.sub.2 and, if necessary, H.sub.2 S from gases | Wolfgang Gerhardt | 1991-03-12 |
| 4997630 | Removal of CO.sub.2 and/or H.sub.2 S from gases | Eckhart Wagner, Klaus Volkamer, Ulrich Wagner | 1991-03-05 |
| 4859286 | Isolation of 1,3-butadiene | Gerd Kaibel, Peter Keller, Werner Drewitz | 1989-08-22 |
| 4569725 | Separation of a C.sub.4 -hydrocarbon mixture essentially containing n-butenes and butanes | Alfred Lindner, Klaus Broellos, Gerhard Sandrock, Klaus Volkamer | 1986-02-11 |
| 4551158 | Removal of CO.sub.2 and/or H.sub.2 S from gases | Eckhart Wagner, Klaus Volkamer, Ulrich Wagner | 1985-11-05 |