Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489502 | Process for preparing phosphoric acid esters | Nikolaus Janke, Manfred Pieroth, Dieter Heinz | 2002-12-03 |
| 6454103 | Multiphase extractor with a wash chamber | Artak Eranosovich Kostanian | 2002-09-24 |
| 6420465 | Process for preparing phosphoric acid esters | Nikolaus Janke, Reinhard Pech, Andreas Chrisochoou, Dieter Heinz, Kaspar Hallenberger | 2002-07-16 |
| 6387255 | Triphase extraction column | Artak Eranosovich Kostanian | 2002-05-14 |