Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211691 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrolein | Jochen Petzoldt, Martin Dieterle, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-05-01 |
| 7164039 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid | Jochen Petzoldt, Martin Dieterle, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-01-16 |
| 7157597 | Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid | Martin Dieterle, Jochen Petzoldt, Wilhelm Ruppel, Klaus Joachim Mueller-Engel | 2007-01-02 |
| 7129195 | Heterogenically catalysed gas-phase partial oxidation method for precursor compounds of (meth)acrylic acid | Raimund Felder, Signe Unverricht, Jochen Petzoldt | 2006-10-31 |
| 7122707 | Method for producing an annular shell catalyst and use thereof for producing acrolein | Jochen Petzoldt, Signe Unverricht | 2006-10-17 |
| 7015354 | Preparation of (meth)acrolein and/or (meth)acrylic acid | Jochen Petzoldt, Signe Unverricht, Klaus Joachim Müller-Engel, Martin Dieterle | 2006-03-21 |
| 6998504 | Method for the catalytic gas phase oxidation of propene into acrylic acid | Signe Unverricht, Andreas Tenten, Ulrich Hammon, Hans-Peter Neumann, Klaus Harth | 2006-02-14 |
| 6982347 | Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid | Martin Dieterle, Jochen Petzoldt, Klaus Joachim Müller-Engel | 2006-01-03 |
| 6888024 | Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid | Martin Dieterle, Jochen Petzoldt, Klaus Joachim Müller-Engel | 2005-05-03 |
| 6881702 | Method for producing a multi metal oxide catalyst, method for producing unsaturated aldehydes and/or carboxylic acids and band calcination device | Signe Unverricht, Raimund Felder, Klaus Harth, Klaus Joachim Müller-Engel | 2005-04-19 |
| 6794539 | Method for producing multiple-phase multi-metal oxide materials | Signe Unverricht, Raimund Felder, Jochen Petzoldt | 2004-09-21 |
| 6541664 | Method of heterogeneous catalyzed vapor-phase oxidation of propane to acrolein and/or acrylic acid | Harald Jachow, Andreas Tenten, Signe Unverricht | 2003-04-01 |
| 6525217 | Method for the catalytic gas-phase oxidation of propene to acrylic acid | Signe Unverricht, Andreas Tenten, Ulrich Hammon, Hans-Peter Neumann, Klaus Harth | 2003-02-25 |
| 6426433 | Method for producing acrolein and/or acrylic acid from propane | Otto Machhammer, Andreas Tenten, Harald Jachow, Susanne Haupt, Signe Unverricht | 2002-07-30 |
| 6423875 | Method for producing acrolein and/or acrylic acid from propane | Otto Machhammer, Andreas Tenten, Harald Jachow, Susanne Haupt, Signe Unverricht | 2002-07-23 |
| 6410785 | Method for producing acrolein by heterogeneous catalytic gas-phase partial oxidation of propene | Peter Zehner, Otto Machhammer, Klaus Joachim Müller-Engel | 2002-06-25 |
| 6403829 | Method for the catalytic gas phase oxidation of acrolein into acrylic acid | Signe Unverricht, Andreas Tenten, Ulrich Hammon | 2002-06-11 |
| 6395936 | Method for the catalytic gas phase oxidation of propene into acrolein | Signe Unverricht, Ulrich Hammon, Hans-Peter Neumann, Klaus Harth, Andreas Tenten | 2002-05-28 |
| 6388129 | Method for producing acrolein and/or acrylic acid from propane | Otto Machhammer, Andreas Tenten, Harald Jachow, Susanne Haupt, Signe Unverricht | 2002-05-14 |
| 6383976 | Multimetal oxide material for gas-phase catalytic oxidation of organic compounds | Klaus Harth, Hans-Peter Neumann, Ulrich Hammon, Raimund Felder | 2002-05-07 |
| 6362345 | Method for producing phthalic anhydride by means of catalytic vapor-phase oxidation of o-xylol/naphthalene mixtures | Thomas Heidemann, Gerhard Hefele, Herbert Wanjek | 2002-03-26 |