Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657088 | Temperature measurements in tubular reactors during treatment of fluid masses | Ulrich Hammon, Ulrich Rauh, Armin Schraut | 2003-12-02 |
| 6646161 | Method for the fractional condensation of a hot gas mixture containing acrylic acid or methacrylic acid and having a high proportion of non-condensable constituents | Bernd Eck, Otto Machhammer, Theo Proll, Joachim Thiel, Klaus Bröllos | 2003-11-11 |
| 6596901 | Method for purifying acrylic acid and methacrylic acid | Bernd Eck, Otto Machhammer, Theo Proll, Klaus Joachim Müller-Engel | 2003-07-22 |
| 6518453 | Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization | Heinz Friedrich Sutoris, Gerhard Wagenblast, Jürgen Schröder, Klaus Joachim Müller-Engel, Harald Keller +1 more | 2003-02-11 |