Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7253280 | Two-stage reactor for the production of melamine | Christian Kuhrs, Wolfgang Steiner, Ralf-Thomas Rahn, Thomas Grassler, Reiner Geier +2 more | 2007-08-07 |
| 6471928 | Aqueous formaldehyde solutions with a low tetroxane content | Klaus Pandl | 2002-10-29 |
| 6201160 | Preparation of alcohols | Martin Brudermuller, Matthias Irgang, Martin Schmidt-Radde, Franz Merger, Tom Witzel +5 more | 2001-03-13 |
| 4720599 | Preparation of vinyl chloride by thermal cracking of 1,2-dichloroethane | Werner Hebgen, Gerd Krome, Erhard Stahnecker | 1988-01-19 |
| 4568427 | Continuous isolation of phthalic anhydride and maleic anhydride from reaction gases | Gerd Dumbgen, Ernest Miesen, Johannes E. Schmidt, Friedrich Wirth | 1986-02-04 |
| 4418233 | Removal of impurities from vinyl chloride | Gerd Krome | 1983-11-29 |
| 4382021 | Supported catalyst containing copper and alkali metals | Peter R. Laurer, Gerd Krome, Luc Cordemans, Reinhard Seifert | 1983-05-03 |