Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623649 | Process for removing cyclic acetals from wastewater streams | Alexander Gammersbach, Axel Gohrt, Joachim Grub, Stefanie Konig | 2003-09-23 |
| 6074982 | Catalyst agent for etherifying, hydrogenating and isomerizing crude . C.sub4 -C.sub.8 - hydrocarbon mixtures having sulfur content | Arnd Stuwe, Herbert Tschorn, Rudolf Wagner, Werner Struver | 2000-06-13 |
| 5789643 | Process for oligomerizing I-butene comprising hydroisomerizing portion of condensate and recycling the hydroisomerate to fractionation | Jens Herwig, Arnd Stuwe | 1998-08-04 |