Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812351 | Hollow cylindrical catalyst and a method for producing a maleic acid anhydride | Jens Weiguny, Sebastian Storck | 2004-11-02 |
| 6803473 | Method for producing maleic acid anhydride | Jens Weiguny, Sebastian Storck, Wilhelm Ruppel | 2004-10-12 |
| 6781017 | Method for the production of acrolein or acrylic acid or the mixture thereof from propane | Otto Machhammer, Goetz-Peter Schindler, Klaus Harth, Peter Zehner, Klaus Joachim Müller-Engel +2 more | 2004-08-24 |
| 6740779 | Method for carrying out the catalytic gas phase oxidation of propene to form acrylic acid | Hartmut Hibst, Otto Machhammer, Claus Hechler, Klaus Joachim Müller-Engel, Signe Unverricht | 2004-05-25 |
| 6730808 | Oxidative reactions using membranes that selectively conduct oxygen | Stefan Bitterlich, Hartwig Voss, Hartmut Hibst, Ingolf Voigt, Ute Pippardt | 2004-05-04 |