Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913416 | Bitumen or asphalt for the production of road surfaces, road surfaces, and method for the preparation of bitumen or asphalt | Günter Hildebrand, Michael Matthai, Bruno Iversen, Klaus-Werner Damm | 2005-07-05 |
| 6855248 | Process for distilling fischer-tropsch derived paraffinic hydrocarbons | Anthony John Olivier, Charles Duckitt, Ashwin Ramduth, Vernon J. Adams, Vinothen Moodley +2 more | 2005-02-15 |
| 6588974 | Bitumen or asphalt for producing a road topping, road topping and method for the production of bitumen or asphalt | Günter Hildebrand, Michael Matthai, Bruno Iversen, Klaus-Werner Damm | 2003-07-08 |
| 6315891 | Production of lubricant base oils | Adrie Van Zyl Visser, Godlieb Gerhardus Swiegers | 2001-11-13 |
| 6074548 | Process for obtaining paraffin or paraffin fractions | Norbert Matzat, Gunther Hildebrand, Manfred Stepanski, Florian Lippuner, Herbert Engstler +1 more | 2000-06-13 |
| 4358360 | Dewaxing process | — | 1982-11-09 |