Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8431743 | Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene | Martin Dieterle, Klaus Joachim Mueller-Engel, Claus Hechler, Ulrich Hammon | 2013-04-30 |
| 8338640 | Heterogeneously catalyzed partial direct oxidation of propane and/or isobutane | Otto Machhammer, Sven Crone, Frieder Borgmeier, Klaus Joachim Mueller-Engel, Christoph Adami | 2012-12-25 |
| 8216342 | Membrane production method | Stefan Bitterlich, Hartwig Voβ, Gunter Schuch, Manfred Noack, Ronald Schäfer +3 more | 2012-07-10 |
| 8197645 | Process for separating propylene glycol from aqueous compositions | Hans-Georg Goebbel, Stefan Bitterlich, Hartwig Voss, Henning Schultz, Anna Forlin +1 more | 2012-06-12 |
| 8196755 | Process for producing a composite membrane | Hartwig Voss, Gunter Schuch, Manfred Noack, Ingolf Voigt, Hannes Richter +1 more | 2012-06-12 |
| 8097232 | Method for producing chlorine | Martin Sesing, Hartwig Voss, Olga Schubert, Lothar Seidemann, Martin Karches +2 more | 2012-01-17 |
| 7968076 | Method for producing sodium dithionite | Hartwig Voss, Reinhard Schneider | 2011-06-28 |
| 7847073 | Method for producing a liquid formulation of salts of sulphonic-acid azo dyes | Gunter-Rudolf Schroeder, Juergen Decker, Helmut Reichelt, Ingo Klopp, Hartwig Voss | 2010-12-07 |
| 7807853 | Process for heterogeneously catalyzed partial gas phase oxidation of propylene to acrylic acid | Martin Dieterle, Klaus Joachim Mueller-Engel, Jochen Petzoldt | 2010-10-05 |
| 7749414 | Composite membrane | Stefan Bitterlich, Hartwig Voβ, Gunter Schuch, Manfred Noack, Ronald Schäfer +3 more | 2010-07-06 |
| 7723549 | Process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene | Claus Hechler, Christoph Adami, Martin Dieterle | 2010-05-25 |
| 7592483 | Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene | Martin Dieterle, Goetz-Peter Schindler, Catharina Klanner, Klaus Joachim Mueller-Engel, Christoph Adami | 2009-09-22 |
| 7589236 | Process for separating acrylic acid and benzoic acid present in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a C3 precursor compound of acrylic acid | Joerg Heilek, Klaus Joachim Mueller-Engel, Martin Dieterle | 2009-09-15 |
| 7566804 | Process for preparing acrylic acid | Ulrich Hammon, Volker Schliephake, Georg Sieder | 2009-07-28 |
| 7347413 | Tray column and method for mass transfer in a tray column | Ulrich Hammon, Thomas Walter, Bruno Seider, Wolfgang Schneider, Bernd Gerber +2 more | 2008-03-25 |
| 7307194 | Method for producing 1, 6 hexane diol | Tilman Sirch, Gerd-Dieter Tebben, Ludwig E. Heck, Alfred Krause, Franz Borgel | 2007-12-11 |