Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7304188 | Preparation of highly pure methyl tert-butyl ether | Wilhelm Droste, Bernhard Scholz, Franz Nierlich, Rainer Malzkorn, Udo Peters +3 more | 2007-12-04 |
| 5177282 | Oligomerization of olefins | Franz Nierlich, Joachim Neumeister, Thomas Wildt, Wilhelm Droste | 1993-01-05 |
| 4517395 | Process for the selective hydrogenation of polyunsaturated hydrocarbons in hydrocarbon mixtures | Franz Nierlich, Otto Reitemeyer, Bernhard Scholz | 1985-05-14 |
| 4423271 | Process for producing high purity isobutene by dehydrating tertiary butanol | Bernd Greving, Heinrich Balke, Bernhard Scholz | 1983-12-27 |
| 4282389 | Process for the simultaneous manufacture of pure MTBE and a substantially isobutene-free mixture of C.sub.4 -hydrocarbons | Wilhelm Droste | 1981-08-04 |
| 4219678 | Process for preparing pure methyl tert.-butyl ether | Wilhelm Droste, Wolf Streubel, Michael Zolffel, Wolfgang Muller | 1980-08-26 |