Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553984 | Removal of CO.sub.2 and/or H.sub.2 S from gases | Klaus Volkamer, Eckhart Wagner | 1985-11-19 |
| 4551158 | Removal of CO.sub.2 and/or H.sub.2 S from gases | Eckhart Wagner, Klaus Volkamer, Werner Hefner | 1985-11-05 |
| 4537753 | Removal of CO.sub.2 and H.sub.2 S from natural gases | Eckhart Wagner, Klaus Volkamer | 1985-08-27 |
| 4448643 | Isolation of isobutene from C.sub.4 -hydrocarbon mixtures containing isobutene | Alfred Lindner, Klaus Volkamer | 1984-05-15 |
| 4441879 | Oil and gas burner for installation in heating and stream-producing boilers | Winfried Buschulte | 1984-04-10 |
| 4414004 | Removal of condensable aliphatic hydrocarbons and acidic gases from natural gas | Eckhart Wagner, Klaus Volkamer, Wolfgang Vodrazka | 1983-11-08 |
| 4336233 | Removal of CO.sub.2 and/or H.sub.2 S and/or COS from gases containing these constituents | Max Appl, Hans J. Henrici, Klaus Kuessner, Klaus Volkamer, Ernst Fuerst | 1982-06-22 |
| 4320232 | Process for conjointly preparing methyl tert.-butyl ether and obtaining isobutene | Klaus Volkamer, Alfred Lindner, Franz Merger, Erwin Brunner, Gerhard Sandrock +1 more | 1982-03-16 |
| 4310388 | Isolation of a conjugated diolefin from a C.sub.4 - or C.sub.5 hydrocarbon | Klaus Volkamer, Klaus Broellos, Alfred Lindner, Hans-Martin Weitz, Klaus-Juergen Schneider | 1982-01-12 |
| 4302220 | Simultaneous removal of water and hydrogen sulfide from gases | Klaus Volkamer, Eckhart Wagner | 1981-11-24 |
| 4292141 | Isolation of butadiene from a C.sub.4 -hydrocarbon mixture | Alfred Lindner, Klaus Volkamer, Dieter Pommer, Klaus-Juergen Schneider, Harald Schwentker | 1981-09-29 |
| 4286051 | Methods of engraving workpiece surfaces by etching | — | 1981-08-25 |
| 4278504 | Isolation of a conjugated diolefin from a C.sub.4 - or C.sub.5 -hydrocarbon mixture | Klaus Volkamer, Klaus Bröllos, Alfred Lindner, Hans-Martin Weitz, Klaus-Jurgen Schneider | 1981-07-14 |
| 4277314 | Isolation of 1,3-butadiene from a C4-hydrocarbon mixture | Alfred Lindner, Klaus Volkamer | 1981-07-07 |
| 4277315 | Isolation of a conjugated diolefin from a C.sub.4 - or C.sub.5 -hydrocarbon mixture | Klaus Volkamer, Klaus Broellos, Alfred Lindner, Hans-Martin Weitz, Klaus-Juergen Schneider | 1981-07-07 |
| 4237330 | Isolation of butadiene from a C.sub.4 -hydrocarbon mixture | Alfred Lindner, Klaus Volkamer | 1980-12-02 |