Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10906025 | Gold-based catalyst for oxidative esterification of aldehydes to carboxylic acid esters | Alexander Lygin, Steffen Krill, Andreas Tepperis | 2021-02-02 |
| 10766847 | Method for producing methylmethacrylate | Steffen Krill, Torsten Balduf, Martin Koestner, Alexander Lygin, Rudolf Burghardt | 2020-09-08 |
| 10596539 | Method for carrying out a heterogeneously catalysed reaction | Alexander Lygin, Steffen Krill | 2020-03-24 |
| 10479754 | Synthesis of methacrylic acid from methacrolein-based alkyl methacrylate | Steffen Krill, Alexander Lygin | 2019-11-19 |
| 10457626 | Method for producing methylmethacrylate | Steffen Krill, Torsten Balduf, Martin Koestner, Alexander Lygin, Rudolf Burghardt | 2019-10-29 |
| 10301251 | Extractive workup of a sodium-salt-containing MMA-methanol mixture | Steffen Krill, Alexander Lygin, Milica Lukic, Steffen Finger | 2019-05-28 |
| 10273201 | Method for producing methylmethacrylate | Steffen Krill, Torsten Balduf, Martin Koestner, Alexander Lygin, Rudolf Burghardt | 2019-04-30 |
| 10232353 | Gold-based catalyst for the oxidative esterification of aldehydes to obtain carboxylic esters | Alexander Lygin, Steffen Krill, Andreas Tepperis | 2019-03-19 |
| 10160713 | Dehydration of alpha-substituted carboxylic acids in the presence of water at high pressures | Belaid Ait Aissa, Steffen Krill | 2018-12-25 |
| 9963417 | Process for producing methyl methacrylate | Steffen Krill, Alexander Lygin, Torsten Balduf, Rudolf Burghardt | 2018-05-08 |
| 9890105 | Method for producing methylmethacrylate | Steffen Krill, Torsten Balduf, Martin Koestner, Alexander Lygin, Rudolf Burghardt | 2018-02-13 |
| 9809530 | Method for producing alpha-hydroxy carboxylic esters in the gas phase | Steffen Krill, Belaid Ait Aissa, Alexander May | 2017-11-07 |
| 9617199 | Process for preparing unsaturated esters proceeding from aldehydes by direct oxidative esterification | Steffen Krill, Alexander Lygin, Torsten Balduf, Rudolf Burghardt, Andreas Tepperis | 2017-04-11 |
| 9580374 | Method for producing methacrolein and the conditioning/draining thereof for direct oxidative esterification | Steffen Krill, Alexander Lygin, Torsten Balduf, Rudolf Burghardt | 2017-02-28 |
| 9458083 | Method for hydrolysing acetone cyanohydrin | Arndt Selbach, Lorenza Sartorelli, Andreas Perl, Joachim Deinken, Stefanie Sohnemann +3 more | 2016-10-04 |
| 9169194 | Metering ring | Lorenza Sartorelli, Andreas Perl, Udo Gropp, Arndt Selbach, Stefanie Sohnemann +2 more | 2015-10-27 |
| 8269050 | Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons | Jochen Praefke, Armin Matthias Rix, Silvia Santiago Fernandez, Frank Hoeper, Udo Peters +3 more | 2012-09-18 |
| 7423173 | Method for producing alpha-hydroxycarboxylic acids and the esters thereof | Steffen Krill, Friedel Schultheis, Udo Gropp | 2008-09-09 |