Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976030 | Process to recover high quality 3-methyl-but-3-en-1-ol | Andreas Keller, Roland Minges, Martin Kamasz, Bernhard Brunner | 2024-05-07 |
| 11618725 | Process to recover 3-methyl-but-3-en-1-ol | Andreas Keller, Martin Kamasz, Roland Minges, Bernhard Brunner | 2023-04-04 |
| 11407700 | Process for preparing 2,3-unsaturated alcohols | Stephan ZUEND, Andreas Keller, Wolfgang Krause | 2022-08-09 |
| 9988331 | Method for producing optically active, racemic menthol | Gunnar Heydrich, Matthias Rauls, Joachim Schmidt-Leithoff, Klaus Ebel, Wolfgang Krause +6 more | 2018-06-05 |
| 9695142 | Method for producing 2-substituted 4-hydroxy-4-methyl-tetrahydropyrans, said method using recycling | Timon Stork, Karl Beck, Oliver Bey, Klaus Ebel | 2017-07-04 |
| 9688650 | Method for producing 2-substituted 4-hydroxy-4-methyl-tetrahydropyrans in a reactor cascade | Timon Stork, Karl Beck, Klaus Ebel, Oliver Bey | 2017-06-27 |
| RE46151 | Method for the production of 4,4′-[1-(trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols) | Gunnar Heydrich, Klaus Ebel, Wolfgang Krause | 2016-09-20 |
| 9428481 | Process for the preparation of 2 substituted tetrahydropyranols | Ralf Pelzer | 2016-08-30 |
| 8791276 | Process for the preparation and isolation of 2-substituted tetrahydropyranols | Karl Beck, Margarethe Klos, Ulrich Griesbach | 2014-07-29 |
| 8779169 | Process for the preparation of 2 substituted tetrahydropyranols | Ralf Pelzer | 2014-07-15 |
| 8653313 | Process for preparing a phenylcyclohexane | Gunnar Heydrich | 2014-02-18 |
| 8618315 | Method for producing 2-substituted tetrahydropyranols | Ralf Pelzer, Klaus Ebel, Ulrich Griesbach, Jörg Botzem | 2013-12-31 |
| 8414744 | Continuous process for preparing menthol in pure or enriched form | Gunnar Heydrich, Klaus Ebel, Wolfgang Krause, Nawid Kashani-Shirazi | 2013-04-09 |
| 8318985 | Method for producing optically active, racemic menthol | Gunnar Heydrich, Matthias Rauls, Joachim Schmidt-Leithoff, Klaus Ebel, Wolfgang Krause +6 more | 2012-11-27 |
| 8212084 | Method for the production of 4,4′-[1-trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols) | Gunnar Heydrich, Klaus Ebel, Wolfgang Krause | 2012-07-03 |
| 8134034 | Recovery of bis(diarylphenol) ligands during the production of isopulegol | Gunnar Heydrich, Klaus Ebel | 2012-03-13 |
| 8003829 | Recovery of phenol ligands during the production of isopulegol | Gunnar Heydrich, Klaus Ebel, Marko Friedrich | 2011-08-23 |
| 7960593 | Process for preparation of menthol by hydrogenation of isopulegol | Gunnar Heydrich, Eike Johannes Bergner, Klaus Ebel | 2011-06-14 |