Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11591545 | Method of producing biodiesel | Paul Klingelhoefer, Michael Schier, Juergen Schneider | 2023-02-28 |
| 10577312 | Process for purifying alkanesulfonic acids | Jan SPIELMANN, Juergen Wortmann, Feelly Ruether, Sabine Weiguny, Frieder Borgmeier | 2020-03-03 |
| 10337144 | Method for processing cellulose-containing biomass | Frank Rittig, Stefan Koch, Alois Kindler, Ferdinand Leifeld, Vaidotas Navickas +1 more | 2019-07-02 |
| 10316106 | Method for processing cellulose-containing biomass | Frank Rittig, Stefan Koch, Alois Kindler, Ferdinand Leifeld, Vaidotas Navickas +1 more | 2019-06-11 |
| 10214485 | Method of reprocessing alkanesulfonic acid | Jan SPIELMANN, Juergen Wortmann, Sabine Weiguny, Feelly Ruether, Robert Sengpiel | 2019-02-26 |
| 10195329 | Method of manufacturing a concentrate | Achim EBERLEIN, Joachim Noack | 2019-02-05 |
| 10106486 | Method for producing carboxylic acid esters and the use thereof as plasticizers | Martin Kaller, Boris Breitscheidel | 2018-10-23 |
| 9822187 | Method for processing cellulose-containing biomass | Frank Rittig, Vaidotas Navickas, Stefan Koch, Alois Kindler | 2017-11-21 |
| 9776949 | Process for the production of carboxylic esters and use of these as plasticizers | Martin Kaller | 2017-10-03 |
| 8586815 | Method for the elimination of oxygen, nitrogen oxides, acetylenes, and/or dienes from hydrogen-rich olefin-containing gas mixtures | Peter Rudolf, Michael Bender | 2013-11-19 |
| 7449609 | Method for production of 1,6-hexanediol with a purity in excess of 99.5% | Andrea Haunert, Rolf Pinkos, Thomas Krug, Tilman Sirch, Gerd-Dieter Tebben | 2008-11-11 |
| 7388116 | Hydrogenation of methylolalkanals | Steffen Maas, Thorsten Johann, Tilman Sirch, Stephan Schlitter, Stefan Rittinger +2 more | 2008-06-17 |
| 7371908 | Process for catalytic hydrogenation | Ekkehard Schwab, Peter Trubenbach, Harald Schäfer | 2008-05-13 |
| 7060861 | Method for hydrating poly-or monomethylol alkanals | Matthias Dernbach, Gerhard Schulz, Hagen Weigl, Steffen Maas | 2006-06-13 |
| 7041847 | Method for cleaning crude terephthalic acid and catalysts suitable for the same and containing carbon fibers | Mathias Haake, Ekkehard Schwab, Hans-Joachim Muller, Manfred Stroezel, Hermann Petersen +1 more | 2006-05-09 |
| 6914164 | Method for the decomposition of ammonium formates in reaction mixtures containing polyol | Alexander Wartini, Tilman Sirch, Matthias Dernbach | 2005-07-05 |
| 6787677 | Hydrogenation of carbonyl compounds | Steffen Maas, Wolfgang Jürgen Pöpel, Matthias Dernbach | 2004-09-07 |
| 6586642 | Color number improvement in polyhydric alcohols by hydrogenation | Matthias Dernbach, Detlef Kratz, Achim Stammer, Mathias Haake, Gerhard Schulz | 2003-07-01 |