Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897812 | Process for preparing acrolein or acrylic acid or a mixture thereof from propane | Otto Machhammer, Klaus Joachim Mueller-Engel | 2011-03-01 |
| 7884238 | Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound | Ulrich Cremer, Klaus Joachim Mueller-Engel | 2011-02-08 |
| 7847118 | Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated | Claus Hechler, Wilhelm Ruppel, Karl-Heinrich Klappert, Klaus Joachim Mueller-Engel, Goetz-Peter Schindler +2 more | 2010-12-07 |
| 7807853 | Process for heterogeneously catalyzed partial gas phase oxidation of propylene to acrylic acid | Armin Diefenbacher, Klaus Joachim Mueller-Engel, Jochen Petzoldt | 2010-10-05 |
| 7795470 | Method for the heterogeneously catalyzed partial direct oxidation of n-propane to acrylic acid | Joerg Heilek, Klaus Joachim Mueller-Engel | 2010-09-14 |
| 7790942 | Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated | Claus Hechler, Wilhelm Ruppel, Goetz-Peter Schindler, Catharina Klanner, Hans-Juergen Bassler +2 more | 2010-09-07 |
| 7731916 | Method of charging catalyst tubes of a bundle of catalyst tubes in a structured fashion | Knut Eger, Klaus Joachim Mueller-Engel, Ulrich Hammon, Volker Schliephake | 2010-06-08 |
| 7723549 | Process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene | Armin Diefenbacher, Claus Hechler, Christoph Adami | 2010-05-25 |
| 7705181 | Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component | Jorg Heilek, Klaus Joachim Müller-Engel, Christoph Adami | 2010-04-27 |
| 7667073 | Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu | Hartmut Hibst, Wolfgang Juergen Popel, Jochen Petzoldt, Klaus Joachim Mueller-Engel | 2010-02-23 |
| 7601866 | Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component | Joerg Heilek, Klaus Joachim Mueller-Engel, Christoph Adami | 2009-10-13 |
| 7592483 | Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene | Armin Diefenbacher, 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, Armin Diefenbacher | 2009-09-15 |
| 7589046 | Thermal treatment of the precursor material of a catalytically active material | Wolfgang Juergen Poepel, Silke Berndt, Raimund Felder, Signe Unverricht, Klaus Joachim Mueller-Engel | 2009-09-15 |
| 7524987 | Process for preparing acrolein or acrylic acid or a mixture thereof from propane | Otto Machhammer, Klaus Joachim Müller-Engel | 2009-04-28 |
| 7524792 | Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu | Hartmut Hibst, Wolfgang Juergen Poepel, Jochen Petzoldt, Klaus Joachim Mueller-Engel | 2009-04-28 |
| 7518016 | Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of at least one organic compound | Gerhard Laqua, Klaus Joachim Mueller-Engel | 2009-04-14 |
| 7439389 | Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation | Klaus Joachim Mueller-Engel, Jochen Petzoldt, Ulrich Hammon | 2008-10-21 |
| 7396956 | Process for stably operating a continuous preparation process for obtaining acrolein or acrylic acid or a mixture thereof from propane | Gotz-Peter Schindler, Catharina Klanner | 2008-07-08 |
| 7388106 | Process for preparing acrolein or acrylic acid or a mixture thereof from propane | Catharina Klanner, Goetz-Peter Schindler, Tsung-Chieh Cheng, Klaus Joachim Mueller-Engel | 2008-06-17 |
| 7388109 | Preparation of acrolein or acrylic acid or a mixture thereof from propane | Otto Machhammer, Goetz-Peter Schindler, Christoph Adami, Claus Hechler | 2008-06-17 |
| 7211691 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrolein | Jochen Petzoldt, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-05-01 |
| 7211692 | Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of propene to acrylic acid | Jochen Petzoldt, Klaus Joachim Mueller-Engel | 2007-05-01 |
| 7164039 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid | Jochen Petzoldt, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-01-16 |
| 7157597 | Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid | Jochen Petzoldt, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-01-02 |