Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765119 | Method of producing saturated C3-C20-alcohols | Herwig Hoffmann, Michael Roper, Heinrich-Josef Blankertz, Helmut Walz, Helmut Zinke-Allmang | 2004-07-20 |
| 5321189 | Preparation of propene oligomers | Hans-Joachim Mueller, Bernd Lothar Marczinke, Juergen Kerth, Rainer Konrad, Guenther Schweier +1 more | 1994-06-14 |
| 4778929 | Continuous hydroformylation of olefinically unsaturated compounds | Peter Zehner, Herwig Hoffmann, Wolfgang Richter, Dieter Stuetzer, Helmut Walz +1 more | 1988-10-18 |
| 4777322 | Obtaining but-2-enes from C.sub.4 -hydrocarbon mixtures which contain but-1-ene and may or may not contain but-2-enes | Wolfgang Hoelderich, Alfred Lindner, Wolf D. Mross, Klaus Volkamer | 1988-10-11 |
| 4709105 | Preparation of C.sub.3 -C.sub.25 -alkanols | Armin Volker Grenacher, Herwig Hoffmann, Heinrich Elliehausen | 1987-11-24 |
| 4479012 | Recovery of aldehydes from hydroformylation reaction gas | Karl Fischer, Armin Volker Grenacher, Manfred Herr | 1984-10-23 |
| 4320232 | Process for conjointly preparing methyl tert.-butyl ether and obtaining isobutene | Klaus Volkamer, Alfred Lindner, Franz Merger, Ulrich Wagner, Erwin Brunner +1 more | 1982-03-16 |
| 4287379 | Process for obtaining isobutene from C.sub.4 -hydrocarbon mixtures containing isobutene | Erwin Brunner, Eckart Schubert, Alfred Lindner, Franz Merger, Klaus Volkamer +1 more | 1981-09-01 |
| 4198531 | Manufacture of p-alkylphenols | Franz Merger, Gerhard Sandrock, Heinz Hohenschutz, Ludwig Schroff, deceased, Gerhard Nestler | 1980-04-15 |