Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541652 | Process and apparatus for isolating organic substances from a gas mixture in which these substances are present | Peter Prinz, Josef Schmitz, Gunter Schummer, Rainer Strobel | 2003-04-01 |
| 6468399 | Process for isolating cyclopentane and/or cyclopentene | Rolf Dieter Wurtz, Michael Muller, Jens Herwig, Christian Gabel, Joachim Grub | 2002-10-22 |
| 6264799 | Process for isolating cyclopentane and/or cyclopentene | Rolf Dieter Wurtz, Michael Muller, Jens Herwig, Christian Gabel, Joachim Grub | 2001-07-24 |
| 6175049 | Process for the production of 1, 2-butadiene | Jurgen Linnemann, Jens Herwig, Christian Gabel, Bernd Hohmann, Joachim Grub | 2001-01-16 |
| 6074982 | Catalyst agent for etherifying, hydrogenating and isomerizing crude . C.sub4 -C.sub.8 - hydrocarbon mixtures having sulfur content | Hans-Jurgen Bister, Herbert Tschorn, Rudolf Wagner, Werner Struver | 2000-06-13 |
| 5969205 | Process for preparing C.sub.4 --C.sub.6 --alkenes having an internal double bond comprising recycling a portion of a product stream | Jorg Michel, Matthias Baum, Franz Kaledat | 1999-10-19 |
| 5789643 | Process for oligomerizing I-butene comprising hydroisomerizing portion of condensate and recycling the hydroisomerate to fractionation | Jens Herwig, Hans-Jurgen Bister | 1998-08-04 |
| 5141525 | Process for producing high-octane, low-olefin motor fuels and motor fuel components | Herbert Tschorn, Hans-Volker Scheef, Jorg Michel | 1992-08-25 |
| 5091093 | Process for purifying acrylonitrile effluent | Jens Herwig, Joachim Grub | 1992-02-25 |
| 4600542 | Sulphonation products of naphthalene, processes for their preparation, and their use | Otto Lindner, Heinrich Pelster, Guido Steffan | 1986-07-15 |
| 4329458 | Process for the preparation of 2,4,6-trifluoro-1,3,5-triazine | Erich Klauke, Ernst Kysela, Alfons Dorlars | 1982-05-11 |