Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433222 | Method for producing acrylic acid | Bernd Eck, Volker Schliephake, 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, Volker Schliephake | 2002-07-02 |