Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048462 | Process for production of highly enriched fractions of natural compounds from palm oil with supercritical and near critical fluids | Kai Gast, Meng-Han Chuang, Sendil Kumar Jaya Kumar, Philip P. Chan, Wan Ping Chan | 2011-11-01 |
| 6755893 | Method for high-pressure gas separation | Klaus-Victor Peinemann, Michael Schossig, Lorenza Sartorelli, Walter Kulcke | 2004-06-29 |
| 5777141 | Process for recovering unsaturated fatty acids and derivatives thereof | Frank Reichmann | 1998-07-07 |
| 5210240 | Process for the extraction of oil containing vegetable materials | Siegfried Peter | 1993-05-11 |
| 4994174 | Process and system for low-temperature carbonization of oil shale, oil sands or similar oil-bearing solids | Konrad Kunstle, Jurgen Hoffmann, Till Dehrmann | 1991-02-19 |
| 4559133 | Process for separating liquids from fine grained solids | Peter Siegfried, Dieter Stützer | 1985-12-17 |
| 4505808 | Method of extracting hydrocarbons from oil-containing rock or sand through hydrogenating low temperature carbonization | Rainer Hoffmann, Konrad Kunstle | 1985-03-19 |
| 4505809 | Process and apparatus for extracting hydrocarbons from oil shale | Rainer Hoffmann, Konrad Kunstle | 1985-03-19 |
| 4502919 | Plant for extracting crude oil from oil shale | Rainer Hoffmann, Konrad K/u/ nstle | 1985-03-05 |
| 4345976 | Process for separating mixtures of substances of low volatility | Siegfried Peter, Rolf Riha | 1982-08-24 |
| 4322445 | Process for decaffeinating coffee | Siegfried Peter | 1982-03-30 |