Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7319166 | Method of purifying a raw melt of at least one monomer by crystallization | Bernd Eck, Dieter Baumann, Joerg Heilek, Klaus Joachim Mueller-Engel | 2008-01-15 |
| 7226567 | Multi-tube fixed-bed reactor, especially for catalytic gas phase reactions | Gerhard Olbert, Franz Corr, Peter Reuter, Ludwig Wambach | 2007-06-05 |
| 7196217 | Operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound | Volker Schliephake, Rolf-Dieter Becher, Klaus Joachim Müller-Engel | 2007-03-27 |
| 7155801 | Method for releasably connecting a column plate to a supporting ring in a column via a clamp | Juergen Schroeder | 2007-01-02 |
| 7150809 | Thermal separating process | Volker Diehl, Ulrich Jaeger, Juergen Schroeder, Steffen Rissel | 2006-12-19 |
| 7129376 | Method for the production of a purified melt of at least one monomer | Bernd Eck, Dieter Baumann, Joerg Heilek, Klaus Joachim Mueller-Engel | 2006-10-31 |
| 7118654 | Riser base | Juergen Schroeder | 2006-10-10 |
| 7118098 | Hydraulically sealed crossflow mass transfer tray | Joachim Thiel, Bernd Gerber, Helmut Jansen, Björn Kaibel | 2006-10-10 |
| 7115776 | Heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound | Jochen Petzoldt, Klaus Joachim Müller-Engel, Martin Dieterle | 2006-10-03 |
| 7109328 | Method for producing acrylic acid | Juergen Schroeder | 2006-09-19 |
| 7074955 | Safe operation of a continuous heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound | Jochen Meschke, Ulrich Rauh, Klaus Joachim Müller-Engel, Peter Schlemmer, Volker Schliephake | 2006-07-11 |
| 6998504 | Method for the catalytic gas phase oxidation of propene into acrylic acid | Signe Unverricht, Heiko Arnold, Andreas Tenten, Hans-Peter Neumann, Klaus Harth | 2006-02-14 |
| 6958414 | Preparation of at least one organic compound by heterogeneously catalyzed partial gas-phase oxidation | Volker Schliephake, Ernst Lang, Carl-Ludwig Krüger, Jürgen Schröder, Klaus Joachim Müller-Engel | 2005-10-25 |
| 6939991 | Preparation of acrylic acid | Joachim Thiel, Dieter Baumann, Jorg Heilek, Jürgen Schröder, Klaus Joachim Müller-Engel | 2005-09-06 |
| 6864391 | Method for producing propylene hydroformylation products and acrylic acid and/or acrolein | Roland Krokoszinski, Kevin Scott Todd | 2005-03-08 |
| 6806385 | Rectification of (meth)acrylic acid with the addition of a tenside | Holger Herbst, Gerhard Nestler | 2004-10-19 |
| 6657088 | Temperature measurements in tubular reactors during treatment of fluid masses | Volker Schliephake, Ulrich Rauh, Armin Schraut | 2003-12-02 |
| 6525217 | Method for the catalytic gas-phase oxidation of propene to acrylic acid | Signe Unverricht, Heiko Arnold, Andreas Tenten, Hans-Peter Neumann, Klaus Harth | 2003-02-25 |
| 6458905 | Complexes of pyridldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalysts | Roland Schmidt, M. Bruce Welch, Helmut G. Alt, Bryan E. Hauger, Ronald D. Knudsen | 2002-10-01 |
| 6403829 | Method for the catalytic gas phase oxidation of acrolein into acrylic acid | Signe Unverricht, Heiko Arnold, Andreas Tenten | 2002-06-11 |
| 6395936 | Method for the catalytic gas phase oxidation of propene into acrolein | Heiko Arnold, Signe Unverricht, Hans-Peter Neumann, Klaus Harth, Andreas Tenten | 2002-05-28 |
| 6395140 | Method for producing (meth)acrylic acid | Holger Herbst, Gerhard Nestler | 2002-05-28 |
| 6383976 | Multimetal oxide material for gas-phase catalytic oxidation of organic compounds | Heiko Arnold, Klaus Harth, Hans-Peter Neumann, Raimund Felder | 2002-05-07 |
| 6348638 | Method for removing by-products obtained when producing acrylic acid or methacrylic acids | Volker Schliephake, Wolfgang Pies, Ulrich Rauh | 2002-02-19 |
| 6333011 | Apparatus for measuring temperatures in tubular reactors | Volker Schliephake, Ulrich Rauh, Armin Schraut | 2001-12-25 |