Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5084070 | Gum-free components containing alkyl tert.-alkyl ethers | Hans-Dieter Kohler, Bernhard Schleppinghoff, Hans-Volker Scheef, Herbert Tachorn | 1992-01-28 |
| 5059306 | Process for removing pure aromatics | Hans-Joachim Kramer, Werner Horlitz, Peter M. Lange, Alfred Mitschker | 1991-10-22 |
| 4409421 | Process for the preparation of pure tert.-olefins | Jens Herwig, Bernhard Schleppinghoff, Hans-Volker Scheef, Peter M. Lange | 1983-10-11 |