Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228226 | Process for working up crude, liquid vinyl acetate | Stefan Hess, Michael Mark, Melchior A. Meilchen, Johann Stamm, Martin Gerald Wagner | 2001-05-08 |
| 5611840 | Process for separating out hydrogen chloride | Werner Kraus, Wolfgang Schick, Peter Roth | 1997-03-18 |