Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973769 | Preparation of 1,2,4-butanetriol | Herbert Mueller, Walter Mesch | 1990-11-27 |
| 4569725 | Separation of a C.sub.4 -hydrocarbon mixture essentially containing n-butenes and butanes | Alfred Lindner, Gerhard Sandrock, Klaus Volkamer, Werner Hefner | 1986-02-11 |
| 4310388 | Isolation of a conjugated diolefin from a C.sub.4 - or C.sub.5 hydrocarbon | Klaus Volkamer, Alfred Lindner, Ulrich Wagner, Hans-Martin Weitz, Klaus-Juergen Schneider | 1982-01-12 |
| 4277315 | Isolation of a conjugated diolefin from a C.sub.4 - or C.sub.5 -hydrocarbon mixture | Klaus Volkamer, Alfred Lindner, Ulrich Wagner, Hans-Martin Weitz, Klaus-Juergen Schneider | 1981-07-07 |