Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448439 | Method for producing acrylic acid and methacrylic acid | Bernd Eck, Otto Machhammer, Volker Schliephake, Joachim Thiel, Klaus Bröllos | 2002-09-10 |
| 6433222 | Method for producing acrylic acid | Bernd Eck, Jorg Heilek, Volker Schliephake, Klaus Bröllos, Otto Machhammer +1 more | 2002-08-13 |