Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441561 | Vane pump | Thomas Dippel, Rolf Popelka | 2022-09-13 |
| 11215177 | Vane pump and method for the operation thereof | Thomas Dippel | 2022-01-04 |
| 7399404 | Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene | Thomas Wettling | 2008-07-15 |
| 7049383 | Polyisobutene composition | Heinz Auer, Thomas Wettling | 2006-05-23 |
| 7038008 | Method for the processing of a liquid reaction discharge of the cationic polymerization of isobutene | Thomas Wettling, Heinz Auer | 2006-05-02 |
| 6939943 | Method for deactivating and recovering boron trifluoride when producing polyisobutenes | Thomas Wettling, Wim Verrelst, Hans Peter Rath | 2005-09-06 |
| 6846903 | Method for producing polyisobutylenes | Thomas Wettling, Wim Verrelst, Hans Peter Rath | 2005-01-25 |
| 6710140 | Method for producing polyisobutenes | Thomas Wettling, Wim Verrelst, Hans Peter Rath | 2004-03-23 |
| 6201135 | Method for separating contaminants from 3-(2'-Acetoxy-Ethyl-Dihydro-2(3H)-Furanone | Volker Maywald, Norbert Gotz, Thomas Kukenhohner, Hartmann Konig, Horst Hartmann +1 more | 2001-03-13 |
| 5739402 | Process for the preparation of mixtures of isomers of O-phenoxy-alkylhydroxylamines or O-phenoxyalkyloximes | Harald Rang, Norbert Gotz, Albrecht Harreus, Horst Hartmann, Volker Maywald +2 more | 1998-04-14 |
| 5371246 | Preparation of tetrahydropyran-4-carboxylic acid and esters thereof | Rolf Fischer, Norbert Goetz, Thomas Kuekenhoehner, Werner Schnurr | 1994-12-06 |
| 5350863 | Preparation of 3-(2'-oxyethyl)dihydro-2(3H)furanones | Thomas Kuekenhoehner, Norbert Goetz, Rolf Fischer, Werner Schnurr | 1994-09-27 |