Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338225 | 2,2,6-trimethyl-4,5-dihydro-3H-oxepine as aroma ingredient | Joaquim Henrique Teles, Nicolas Vautravers, Peter OECHSLE | 2025-06-24 |
| 11491090 | Spherical microparticles with polyester walls | Ewelina Burakowska-Meise, Patrick LEIBACH, Karl Kolter | 2022-11-08 |
| 11407700 | Process for preparing 2,3-unsaturated alcohols | Stephan ZUEND, Andreas Keller, Gabriele Gralla | 2022-08-09 |
| 11365168 | Preparation of 5-aryl-pentanols | Christoph Stock, Irene de Wispelaere, Bernhard Brunner, Ralf Pelzer | 2022-06-21 |
| 11091424 | Preparation of acetate compounds via a ketene compound | Volker Hickmann, Sumana Roy, Dominik Herbrecht, Michael Acker, Ralf Boehling +3 more | 2021-08-17 |
| 10160931 | Use of isomerically pure or highly isomer-enriched cis- or trans-(2-isobutyl-4-methyl-tetrahydropyran-4-yl)acetate | Timon Stork, Stefan Rüdenauer, Margarethe Klos, Ralf Pelzer | 2018-12-25 |
| 9988331 | Method for producing optically active, racemic menthol | Gunnar Heydrich, Gabriele Gralla, Matthias Rauls, Joachim Schmidt-Leithoff, Klaus Ebel +6 more | 2018-06-05 |
| RE46151 | Method for the production of 4,4′-[1-(trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols) | Gabriele Gralla, Gunnar Heydrich, Klaus Ebel | 2016-09-20 |
| 9217121 | Use of 4,8 dimethyl-3,7 nonadien-2-ol as fragrance | Stefan Rüdenauer, Ralf Pelzer | 2015-12-22 |
| 9139549 | Process for the integrated preparation of 2-substituted 4-hydroxy-4-methyltetrahydropyrans and of 2-substituted 4-Methyltetrahydropyrans | Timon Stork, Oskar Röder, Klaus Ebel, Ralf Pelzer, Karl Beck | 2015-09-22 |
| 8414744 | Continuous process for preparing menthol in pure or enriched form | Gunnar Heydrich, Gabriele Gralla, Klaus Ebel, Nawid Kashani-Shirazi | 2013-04-09 |
| 8318985 | Method for producing optically active, racemic menthol | Gunnar Heydrich, Gabriele Gralla, Matthias Rauls, Joachim Schmidt-Leithoff, Klaus Ebel +6 more | 2012-11-27 |
| 8212084 | Method for the production of 4,4′-[1-trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols) | Gabriele Gralla, Gunnar Heydrich, Klaus Ebel | 2012-07-03 |
| 7795466 | Method for producing saturated nitriles | Jan Eberhardt | 2010-09-14 |
| 7608742 | Diarylphenoxy aluminum compounds | Marko Friedrich, Klaus Ebel, Norbert Gotz, Christian Zahm | 2009-10-27 |
| 6495729 | (+)- and (−)-2-cyclododecylpropanol and (+)- and (−)-2-cyclododecylpropionic acid and the preparation and use thereof | Klaus Ebel, Ulrich Schafer-Luderssen | 2002-12-17 |
| 6316676 | Process for the preparation of .alpha.-diketones from ketols or ketals from ketols | Werner Aquila, Jörg Botzem, Melanie Brunner, Hartwig Fuchs, Klaus Pandl +1 more | 2001-11-13 |
| 6242653 | Process for the preparation of .alpha.-diketones from ketols or ketals from ketols | Werner Aquila, Jörg Botzem, Melanie Brunner, Hartwig Fuchs, Klaus Pandl +1 more | 2001-06-05 |
| 5773635 | Preparation of polyenecarbonyl compounds having a high content of the all-E isomer, and of their acetals or ketals | Walter Dobler, Joachim Paust, Otto Worz, Udo Rheude, Wolfram Burst +8 more | 1998-06-30 |
| 5717128 | Preparation of alkylesters of 0,0-dialkyl-4-phosphono-2-methyl-2-butenoic acid and alkyl esters of 4-halo-2-methyl-2-butenoic acid containing a high percentage of E isomers | Hansgeorg Ernst, Joachim Paust, Udo Rheude, Walter Dobler | 1998-02-10 |
| 5679804 | Preparation of phosphonic esters | Klaus Ditrich | 1997-10-21 |
| 5654488 | Preparation of astaxanthin | Klaus Henrich, Joachim Paust, Hansgeorg Ernst | 1997-08-05 |
| 5344995 | Preparation of cyclic acetals of 3-formyl-2-butenyltriphenylphosphonium chloride | Joachim Paust, Walter Dobler, Hagen Jaedicke | 1994-09-06 |
| 5338888 | Preparation of E,Z-butenedial bis(dialkyl acetals) | Joachim Paust | 1994-08-16 |
| 5196609 | Preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals | Werner Aquila, Hans-Ulrich Scholz, Hartwig Fuchs, Joachim Paust, Werner Hoffmann | 1993-03-23 |