Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091384 | Process for increasing the selectivity of the hydrogenation of 4,4′-diaminodiphenylmethane to 4,4′-diaminodicyclohexylmethane in the presence of an N-alkyl-4,4′-diaminodiphenylmethane | Bernd Jaeger, Thomas Haas, Christian Lettmann, Willi Hofen, Klaus Stadtmueller +1 more | 2006-08-15 |
| 7030052 | Process for hydrogenating an aromatic amine in the presence of a supported ruthenium catalyst | Bernd Jaeger, Thomas Haas, Norbert Finke, Werner Burkhardt, Juergen Grunert | 2006-04-18 |
| 7005528 | Direct synthesis of hydrogen peroxide and integration thereof into oxidation processes | Thomas Haas, Jurgen Rollmann | 2006-02-28 |
| 7002050 | Process for preparing tert-butanol from isobutene-containing hydrocarbon mixtures | Silvia Santiago Fernandez, Jorg Sauer, Dietrich Maschmeyer, Wilfried Buschken, Klaus-Diether Wiese | 2006-02-21 |
| 6924385 | Method for synthesis of aliphatic isocyanates from aromatic isocyanates | Christian Lettmann, Stephan Kohlstruk, Emmanouil Spyrou | 2005-08-02 |
| 6881699 | Method for producing a dealuminized catalyst support | Michael Sakuth, Gregor Lohrengel, Dietrich Maschmeyer | 2005-04-19 |
| 6881700 | Dealuminized catalyst carrier, method of production, and method for hydrating C2 or C3 olefins with water | Michael Sakuth, Dietrich Maschmeyer, Gregor Lohrengel | 2005-04-19 |
| 6878836 | Process for the epoxidation of propene | Thomas Haas, Claudia Brasse, Wolfgang Wöll, Willi Hofen, Bernd Jaeger +1 more | 2005-04-12 |
| 6838572 | Process for the epoxidation of olefins | Thomas Haas, Claudia Brasse, Willi Hofen, Wolfgang Wöll, Georg Thiele | 2005-01-04 |
| 6809215 | Method for hydrogenation of aromatic urethanes in the presence of a supported ruthenium catalyst | Norbert Finke, Ranier Lomoelder, Christian Lettmann | 2004-10-26 |
| 6764671 | Direct synthesis of hydrogen peroxide and integration thereof into oxidation processes | Thomas Haas, Jurgen Rollmann | 2004-07-20 |
| 6210557 | Electrocatalytic selective oxidation of hydrocarbons | Mark Duda, Adolf Kuehnle | 2001-04-03 |