Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9743670 | Method of treating water with chlorine dioxide | Hartmut Rahtz, Hermann-Josef Korte | 2017-08-29 |
| 9453210 | Cells and method for producing acetone | Franz Ulrich Becker, Matthias Orschel, Kai Doderer, Gerd Loehden, Gerd Brand +5 more | 2016-09-27 |
| 9187412 | Process for preparing 3-cyano-3,5,5-trimethylcyclohexanone | Markus Schwarz, Andreas Merkel, Joerg-Joachim Nitz | 2015-11-17 |
| 9156717 | Radial pipe reactor | Johannes Chiovaro, Hartmut Rahtz, Karsten Hoeland | 2015-10-13 |
| 9085506 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Markus Galle, Axel Hengstermann, Michael D Hinton, Rolf-Burkhard Hirsch, Robert Jansen +11 more | 2015-07-21 |
| 8986961 | Fermentative production of acetone from renewable resources by means of novel metabolic pathway | Stefan Verseck, Steffen Schaffer, Werner Freitag, Friedrich Georg Schmidt, Matthias Orschel +6 more | 2015-03-24 |
| 8945891 | Fermentation process for production of acetone, butanol and ethanol using isophoron as absorbent | Joerg-Joachim Nitz, Franz Ulrich Becker, Patrick Stier | 2015-02-03 |
| 8889914 | Method for producing isophorone | Matthias Orschel, Robert Jansen, Martin Maier, Markus Schwarz, Joerg-Joachim Nitz +1 more | 2014-11-18 |
| 8877976 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Christian Lettmann, Guido Streukens, Matthias Orschel | 2014-11-04 |
| 8822726 | Method for producing diaminodiphenyl alkanes | Manfred Kreczinski | 2014-09-02 |
| 8816125 | Process for the continuous preparation of (cyclo)aliphatic diisocyanates | Hans-Werner Michalczak, Stephan Kohlstruk, Manfred Kreczinski, Rainer Lomoelder | 2014-08-26 |
| 8536370 | Low chlorine, multi-staged method for producing cycloaliphatic disocyanates | Manfred Kreczinski, Stephan Kohlstruk, Christian Lettmann | 2013-09-17 |
| 8389770 | Method for producing diaminodiphenyl alkanes | Manfred Kreczinski | 2013-03-05 |
| 8003826 | Method for production of trimethylhexamethylenediamine | Christian Lettmann, Juergen Lippe, Cord Knoop | 2011-08-23 |
| 7611683 | Apparatus and process for the continuous reaction of a liquid with a gas over a solid catalyst | Stefan Jelko, Wilfried Buschken, Udo Peters | 2009-11-03 |
| 7235704 | Process for preparing isobutene from tert-butanol | Wilfried Bueschken, Dieter Reusch, Andreas Beckmann | 2007-06-26 |
| 6727375 | Apparatus and process for preparing substantially halogen-free trialkoxysilanes | Frank Steding, Burkhard Standke, Frank Kropfgans, Michael Horn, Albert-Johannes Frings +4 more | 2004-04-27 |
| 6657090 | Process for preparing highly pure raffinate II and Methyl tert-butyl ether | Armin Matthias Rix, Wilfried Bueschken | 2003-12-02 |
| 6613946 | Process for preparing cyclic alcohols | Bernd Guenzel | 2003-09-02 |
| 6270676 | Process for removing ethers and/or polycyclic aromatic hydrocarbons from water containing them | John Kahsnitz | 2001-08-07 |
| 6117331 | Processes for the purification of waters containing organic constituents | Peter Fast, John Kahsnitz | 2000-09-12 |
| 5681476 | Process for the purification of groundwater | John Kahsnitz | 1997-10-28 |
| 5633358 | Process for bleaching aqueous surfactant solutions | Juergen Gruetzke, Stefan Schmidt, Uwe Tanger | 1997-05-27 |