Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6362386 | Method and device for obtaining isobutenes from conjugated hydrocarbons | Bernd Bessling, Jean Werner Knab, Wolfgang Brox | 2002-03-26 | $230,000 |
| 6028215 | Process for preparing esters of carboxylic acids | Bernd Bessling, Rudiger Welker, Walter Disteldorf, Jean Werner Knab | 2000-02-22 |