Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461440 | Apparatus having a metallic surface protected from undesired deposition of polymer | Heinz Friedrich Sutoris, Gerhard Wagenblast, Jürgen Schröder, Harald Keller, Rainer Rahm +2 more | 2002-10-08 |
| 6458956 | Inhibitor composition for stabilizing substances capable of free radical polymerization | Heinz Friedrich Sutoris, Gerhard Wagenblast, Jürgen Schröder, Harald Keller, Thomas Jaworek | 2002-10-01 |
| 6448439 | Method for producing acrylic acid and methacrylic acid | Bernd Eck, Otto Machhammer, Theo Proll, Joachim Thiel, Klaus Bröllos | 2002-09-10 |
| 6433222 | Method for producing acrylic acid | Bernd Eck, Jorg Heilek, Theo Proll, Klaus Bröllos, Otto Machhammer +1 more | 2002-08-13 |
| 6414190 | Purification of acrylic acid by crystallization by means of vacuum evaporation | Bernd Eck, Jorg Heilek | 2002-07-02 |
| 6413379 | Continuous recovery of (meth)acrylic acid | Otto Machhammer, Susanne Haupt, Jürgen Schröder | 2002-07-02 |
| 6348638 | Method for removing by-products obtained when producing acrylic acid or methacrylic acids | Ulrich Hammon, Wolfgang Pies, Ulrich Rauh | 2002-02-19 |