Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176335 | Method for producing methacrolein from isobutane | Silke Berndt, Klaus Joachim Mueller-Engel, Goetz-Peter Schindler, Frank Rosowski | 2007-02-13 |
| 7164039 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid | Martin Dieterle, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-01-16 |
| 7157597 | Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid | Martin Dieterle, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-01-02 |
| 7154009 | Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of propene to acrolein | Martin Dieterle, Klaus Joachim Mueller-Engel | 2006-12-26 |
| 7129195 | Heterogenically catalysed gas-phase partial oxidation method for precursor compounds of (meth)acrylic acid | Raimund Felder, Signe Unverricht, Heiko Arnold | 2006-10-31 |
| 7122707 | Method for producing an annular shell catalyst and use thereof for producing acrolein | Signe Unverricht, Heiko Arnold | 2006-10-17 |
| 7115776 | Heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound | Ulrich Hammon, Klaus Joachim Müller-Engel, Martin Dieterle | 2006-10-03 |
| 7026506 | Method for producing acrylic acid by heterogeneously catalyzed gas-phase oxidation of propene with molecular oxygen in a reaction zone | Frieder Borgmeier, Hartmut Hibst, Andreas Tenten | 2006-04-11 |
| 7022877 | Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of acrolein to acrylic acid | Martin Dieterle, Klaus Joachim Müller-Engel | 2006-04-04 |
| 7019168 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid | Martin Dieterle, Klaus Joachim Müller-Engel, Hans Martan | 2006-03-28 |
| 7019176 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrolein | Martin Dieterle, Klaus Joachim Mueller-Engel | 2006-03-28 |
| 7015354 | Preparation of (meth)acrolein and/or (meth)acrylic acid | Signe Unverricht, Heiko Arnold, Klaus Joachim Müller-Engel, Martin Dieterle | 2006-03-21 |
| 6982347 | Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid | Martin Dieterle, Klaus Joachim Müller-Engel, Heiko Arnold | 2006-01-03 |
| 6933407 | Method for producing methacrylic acid from isobutane | Silke Berndt, Klaus Joachim Müller-Engel, Gotz-Peter Schindler, Frank Rosowski | 2005-08-23 |
| 6888024 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid | Martin Dieterle, Klaus Joachim Müller-Engel, Heiko Arnold | 2005-05-03 |
| 6794539 | Method for producing multiple-phase multi-metal oxide materials | Signe Unverricht, Raimund Felder, Heiko Arnold | 2004-09-21 |