Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423861 | Method of producing dimethyl sulfite | Klaus Halbritter, Hans-Josef Sterzel, Eva Freudenthaler | 2002-07-23 |
| 6387222 | Continuous isolation of a high-melting material by distillation | Gerd Kaibel | 2002-05-14 |