Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Volker Schliephake, Joachim Thiel | 2003-11-11 |
| 6448439 | Method for producing acrylic acid and methacrylic acid | Bernd Eck, Otto Machhammer, Theo Proll, Volker Schliephake, Joachim Thiel | 2002-09-10 |
| 6433222 | Method for producing acrylic acid | Bernd Eck, Jorg Heilek, Volker Schliephake, Theo Proll, Otto Machhammer +1 more | 2002-08-13 |
| 4278504 | Isolation of a conjugated diolefin from a C.sub.4 - or C.sub.5 -hydrocarbon mixture | Klaus Volkamer, Alfred Lindner, Ulrich Wagner, Hans-Martin Weitz, Klaus-Jurgen Schneider | 1981-07-14 |